Today (June 22) marks the start of National Moth Week, 2023. For anyone interested in participating or learning more about how to “MOTH,” check out the National Moth Week website here: https://nationalmothweek.org.
I’ll be brief, but start by introducing myself. I’m Cynthia (Brast-Bormann) and I am an entomologist who lives on San Juan Island. My “work” is on a volunteer basis. Because of my love for insects, spiders, and the natural world, I endeavor to share my enthusiasm and knowledge with our community and anyone else who would like to know more about these charismatic critters that are all too often targeted for eating leaves, buzzing, sometimes biting or stinging, but mostly for merely existing. We stop short of recognizing they are food for other organisms, work to control pest populations (without noxious chemicals), and they help us to have food (pollination). Without insects and spiders, we would be in a deep heap of doo! Pardon my French.
Each day of National Moth Week – which runs through July 30, 2023, I will be posting a gallery of what shows up at my light trap each night, hopefully with an ID along with the photos I post. Please feel free to let me know if you see something misidentified. 🙂
If you’re interested in Mothing, or learning more about other bugs, you may contact me with questions via email or join the Facebook Group, Bugs of the San Juan Islands at https://www.facebook.com/groups/3594158544144419
California Pyrausta Moth (Pyrausta californicalis)Western Panthea Moth (Panthea virginarius)Small Magpie (Anania hortulata)(Arta epicoenalis), a Pyralid mothGenus Eppirhoe Western Conifer Looper (Caripeta aequaliaria)Diamondback Moth (Plutella xylostella)Tribe Archipini – TortricidaeGray Scoopwing (Callizzia amorata)Choristoneura mothStamnoctenis pearsalli, a Carpet Moth (I think)Stamnoctenis pearsalli, a Carpet Moth (I think)Stamnoctenis pearsalli, a Carpet Moth (I think)Stamnoctenis pearsalli, a Carpet Moth (I think)Stamnoctenis pearsalli, a Carpet Moth (I think)Stamnoctenis pearsalli, a Carpet Moth (I think)Stamnoctenis pearsalli, a Carpet Moth (I think)Stamnoctenis pearsalli, a Carpet Moth (I think)Stamnoctenis pearsalli, a Carpet Moth (I think)Horned Spanworm Moth (Nematocampa resistaria)Unknown Noctuid moth
We are getting closer to National Moth Week 2023 (July 22-30). I am continuing my head start. If you’ve been following along, you’ll see I am posting a daily gallery of what I’ve collected in my bug bucket with UVB light each night when I check the next morning.
It took me a good while today to sit down and try to work out ID’s for my specimens. ALL specimens found in the bucket are handled with gentle care and safely released back into cryptic hiding spots to better avoid predation by birds, yellow jackets, and other predaceous insects. Probably add in spiders, though I have not seen many in this dry spell of weather we are having. I did have an unexpected guest show up in the bucket this morning. A frog. Yes, if you set the buffet up, the dinner guests will inevitably find it. 🐸
I’ll add the link to the National Moth Week website here https://nationalmothweek.org and if you are interested in participating and can’t figure out what you need to do or need advice on how to MOTH, feel free to reach out. Check out the gallery below and thanks for stopping by!
Gallery
Bug Bucket Bug BucketBug Bucket with Egg Cartons for th moths to hide inside Northern Pacific Tree Frog (Pseudacis regilla)Pyrausta perrubralisNorthwestern Phoenix Moth (Eulithis xylina)Western Avocado Leafroller Moth (Amorbia cuneanum)Western Conifer Looper (Caripeta aequaliaria)Grass Moth Genus ScopariaDiplotaxis sp. Scarab BeetleSubfamily EnnominaeNorthern Pacific Tree Frog (Pseudacis regilla)Packards Girdle Moth (Sabulodes packardata)Northwestern Phoenix Moth (Eulithis xylina)Packards Girdle Moth (Sabulodes packardata)Packards Girdle Moth (Sabulodes packardata)Zigzag Furcula Moth (Furcula scolopendrina)Packards Girdle Moth (Sabulodes packardata)Iridopsis emasculatum I believeZigzag Furcula Moth (Furcula scolopendrina)Agrotis sp. , Family NoctuidaeAgrotis sp. , Family NoctuidaeStamnoctenis sp. , Family GeometridaeAgrotis sp. Stamnoctenis sp. GeometridaeWestern Tent Moth (Malacosoma californicum) left, and Virginia Tiger Moth (Spilosoma virginica) rightPale Marked Angle (Macaria signaria)Unknown, but cute!Simple Wave (Scopula junctaria)EnnonominaeGenus IridopsisTribe BoarmiiniKnot Horn Moth (Subfamily Phycitinae) – family PyralidaeUnknown, but check out the reflection in the image.Little White Lichen Moth (Clemensia albata)Erebidae, and Dasychira grisefacta, I believe. Erebidae, and Dasychira grisefacta, I believe. Erebidae, and Dasychira grisefacta, I believe. Erebidae, and Dasychira grisefacta, I believe. Erebidae, and Dasychira grisefacta, I believe. Erebidae, and Dasychira grisefacta, I believe. Erebidae, and Dasychira grisefacta, I believe.
I believe this is Dasychira griefacta . It takes off somewhat awkwardly but made it up into a tall fir tree.
Continuing on to another morning’s findings (07.13.2023), I am extremely happy with how adding the egg cartons to my bug bucket are improving my moth collecting. Side note here – I am only collecting photos and these critters are handled with gentle care and released to places where they are able to hide from predators during the day. I even go so far as to color match their hidey spots. 😉
Photos of the specimens found are in the gallery below along with some pics of my set up. National Moth Week is July 22-30, so if you are interested in participating, please check out the link here https://nationalmothweek.org, and feel free to reach out if you have any questions. You can send me an email or find me on Facebook (Bugs of the San Juan Islands) at https://www.facebook.com/groups/3594158544144419 .
Thanks for reading!
Gallery
Bug Bucket with UVB light on topBug Bucket with egg cartons inside for moths to have hiding spotsWestern Avocado Leafroller Moth I believe, (Amorbia cuneanum)Unknown Geometrid moth (Subfamily Ennominae)I think this one is the Double Striped Scoparia Moth (Scoparia biplagialis)Western Avocado Leafroller Moth I believe, (Amorbia cuneanum)American Sharp-angled Carpet Moth (Euphoria intermediata)Perhaps (Macaria adonis)Pero mizonPero mizon mothZigzag furlcula moth (Furcula scolopendrina) left, and Pero mizon moth on the rightColumbian Emerald Moth (Nemoria darwiniata)EnnonominaeTortricid moth (Genus Pandemis) I believeBug bucket interior with egg cartons and cardboard for moths to have hiding spotsNoctuinaeZigzag furcula moths and Pero mizon mothVirginia Tiger Moth (Spilosoma virginica)Virginia Tiger Moth (Spilosoma virginica)Virginia Tiger Moth (Spilosoma virginica)Virginia Tiger Moth (Spilosoma virginica)Zigzag Furcula Moth (Furcula scolopendrina)
I finally got a few photos of these two after trying (and failing) in my attempts when I first spotted them on Sunday. Curiously, they were “bumping” onto tiny little cones on our fir tree, creating intermittent bursts of pollen with each “hit.” I wondered if they were perhaps eating pollen in advance of mating – with protein a necessary element in egg production.
These flies aren’t extraordinarily abundant. I checked my bug records, and the only other one I’ve seen in the yard was May 2, 2021. They are unique enough that I remembered looking them up and finding that the West Coast species is actually a subspecies, thus the 3rd name, angustipennis, tacked on to the binomial (Phoroctenia vittata).
Going back through my computer, I did find my previous source. Sometimes my computer filing system actually works and I remember to put labels and tags on my saved papers. It makes it so much easier to find them again! Re-reading the paper by Oosterbroek, Pjotr & Bygebjerg, Rune & Munk, Thorkild (2006), I was especially interested in their antennal illustrations, but found another part about the larvae interesting. They state, “the larvae of all these species develop in decaying wood of deciduous trees and might turn out to represent an especially significant conservation and monitoring element of the saproxylic fauna, as most of the species are rather scarce and some of them even very rare. Moreover, they are usually confined to old forests, orchards and similar habitats where there has been a long continuity of the presence of old, dying and fallen trees (Stubbs 2003).”
Our Landscape is Changing
The area near our home has remnants of older growth trees, though many are being cut and cleared for development, and the creation of homesteads. I worry that we will lose some of these species as the forests become more and more fragmented and the trees are more stressed with the advent of higher temperatures brought about by climate and landscape change. Yes, cutting trees = hotter spaces. We need trees! And bugs. Or will sorely regret our choices and actions when we are face to face with the reality of the great die-off of species.
Back to the antennae for these Tiger Craneflies. Can you spot the male and the female in my photos? The male antennae are quite distinctive with their comb-like shape. Entomologists describe the comb-like antennae as Pectinate. If you haven’t figured it out yet, the male is the smaller of the pair. His antennae are wider, and he’s hanging on the bottom.
Tiger Craneflies (Phoroctenia vittata angustipennis) – Note the striking comb-like antennae of the males
Why might craneflies be useful? Well, aside from population size being an indicator for forest ecological relationships, they make great food for wildlife, especially baby birds and their parents.
Spring has arrived and with it comes beautiful daffodils popping up across the landscape, but also pollen, windy days, and those dreaded allergies many of us suffer from. I’ll bet as you’re reading, you’re might visualize little pollen grains as daggers that blow up our noses and make us sneeze! Personally, when I visualize pollen grains, I picture them as the equivalent of microscopic land mines. Even though pollen grains can be quite unique when viewed under a microscope and cause quite SHARP “achoo’s” into that handkerchief, there’s another DAGGER you’ll have to go search for in those daffodils.
Rhamphomyia fly – Dagger Fly on Daffodil
When I first saw this bug and took some photos with my phone, I didn’t realize that EXTRA leg was not a leg at all, but a beak of sorts. More close up photos yielded some images of this particular specimen that reminded me of the sinister hood worn by doctors during the Plague that looks like a giant bird beak.
This BUG I found in the daffodils with the strange “beak” or proboscis, a scientific term for an appendage-like mouthpart of an organism, is a type a fly. The common or vernacular moniker being Dagger Fly.
Rhamphomyia fly – Dagger Fly on Daffodil
From here, I’ll take you through my process of determining the fly’s classification. First off, to understand it is a FLY, you must look at the number of wings. Flies are taxonomically categorized into the insect order Diptera. Di=two and ptera = wings. Two wings or one pair of wings = FLY. Now the Flies or Diptera are an enormously diverse and large group of organisms. Fly classification or taxonomy is one of the hardest groups I’ve ever worked through and in my rudimentary assessment, I managed to identify my specimen as far as the Family Empididae or the Dance flies. This fly wasn’t exactly “dancing” though. It was poking its beak around in the daffodil, and there were several of them in one flower – all doing exactly the same thing.
At this point, I turned to the fly group I belong to on a popular social media site. I posted my photos with date/location/and my suggested family (Empidiae), then asked if someone could help me with further classification. About two days later, I checked back. The suggestion in the comments was for Genus Rhamphomyia. It would be particularly challenging to identify this particular fly to species. Bugguide.net cites Arnett’s American Insects: A Handbook of the Insects of America North of Mexico, stating there are over 400 undescribed species in our area with 450 undescribed worldwide.
While Genus Rhamphomyia falls under the Empididae or dance flies, Rhamphomyia translates from Greek rampho ‘beak’ + plus myia ‘fly.’ Beak flies they are indeed!
Dagger Fly (Rhamphomyia sp.)
Delving past the taxonomical classification of the genus I discovered some interesting bits of information involving mating behaviors. Like other groups of flying insects, males and females will often form swarms of groups, sometimes referred to as leks. In the Rhamphomyia, these groups can be either all male or all female (a reversed-role lek) or mixed.
If the group is single sexed, it may be the opposite sex does not form a group, but rather enters the single sex group to select a mate. There may also be a group of females and a nearby group of males and individuals from each group will leave and mix with the opposite sex group to choose a mate. Different species of this genus may swarm at different times of the day. Some species may spend the entire day swarming, while others only a select time such as right before dusk or early morning. Swarm locations are selected around some sort of visual marker or landmark which may range from very specific ( a particular branch or limb overhanging a pond) or quite general (the southern slope of a hillside adjacent to a stream or a farm field).
The most intriguing behavior is the habit of male flies to collect and bring nuptial gifts to a female. Alcock (2016), describes this fascinating ritual where female flies gather in swarms low over open woodlands, high in treetops, or over grassy hayfields in early morning or late evening. The swarms lasted 1-2 hours each with female Rhamphomyia flies holding their highly ornamented legs wrapped around their abdomens. In these swarming female groups, males enter and gift their selected female a small insect for her to consume. Examples of tiny insects selected for nuptial gifts include drosophila flies, small syrphid flies, or tiny caddisflies (Alcock 2016). Kuiter, Findlater-Smith, and Lindhe (2017) recorded nuptial gifts to include “fungus-gnats (Myctophylidae), crane flies (Tipulidae), other Empididae flies, and occasionally small moths (Lepidoptera). ”
Reading a bit more led me to Funk and Tallamy (2000) who describe the plight of the female Dagger fly. She is unable to hunt for prey and wholly dependent on these nuptial gifts of protein necessary for development of her offspring. In the swarming leks, she seeks these nuptial gifts from male suitors in exchange for copulation.
While I didn’t witness the formation of swarming leks of these flies, I did find some handsome daggers hanging out in the daffodils. I kept reading and found they can use their beaks not only to pierce small insects, but also to pierce and extract nectar from flowers. As they feed, pollen collected on their bodies may be distributed to other flowers (Sezen 2015).
Rhamphomyia Dagger Fly on Daffodil
Probably the grand finale in my literature search yielded the paper written by Kuiter, Findlater-Smith, and Lindhe (2017) titled Pollination of the Bearded Greenhoods (Orchidaceae) by Dagger Flies (Diptera: Empididae). They describe a unique relationship between the orchid and another species of Dagger Fly. Located in Victoria,Australia, the authors document the case of mistaken identity – the male dagger fly is lured to the orchid by both chemical and physical attributes mimicking the female fly’s sex pheromones and her morphology.
While daffodils aren’t the orchid described by Kuiter et al, (2017), I considered their observations to offer one possible reason the flies I found could become so awkwardly stuck. Kuiter et al. (2017) suggest the flies observed bringing nuptial gifts to the Bearded Greenhood orchid (Pterostylis plumosa) are attracted by the orchids’ kairomones which mimic the Empididae female flies’ sex pheromones. In the case of this particular orchid, the hairy labellum inside the flower head acts as a visual cue, arousing the male who mistakes it for the hairy legs of a female Empididae fly (Kuiter et al, 2017). They believe the bearded orchids may have evolved the hairy labellum for holding the nuptial gift of the male fly just as females of the fly species have hairy legs for receiving the nuptial gift – a very species-specific relationship ensuring the orchid is pollinated.
I believe this relationship provides a possible explanation (at least for me) as to why I found deceased flies stuck within the filaments and stamen inside several daffodil flowers. I actually found four flowers with stuck flies, so it seemed more than merely coincidence. Is it remotely possible the species of male Dagger fly I found mistakes parts inside the daffodil flower for a female fly and cannot extricate himself from the situation? Mistaken identity? Or, did he merely shelter there in the cool of the night and expire in slumber? https://nossaorg.files.wordpress.com/2017/05/finalbeardedgreenhoodpollinatorlrs.pdf
Rhamphomyia Dagger Fly in DaffodilRhamphomyia Dagger Fly in Daffodil
I’ll end with a note of my own. Many of these relationships between plants and pollinators are highly complex, understudied, and/or, as in this group of flies, un-described. Many species of plants and animals, including and especially pollinators, are under immediate threat due to climate change, habitat loss, and land use changes. You can help by minimizing your impact and changing long-held habits. Avoid clearing around your property, try the “no-mow” approach. We mow only trails and leave the rest. Plant native plants, leave brush piles instead of making burn piles, build a smaller home, be a smart consumer. We are altering systems that enable our own survival. Get outdoors and learn about the diverse life that shares your space. Check out the iNaturalist app and see what you can record in your own backyard. These unseen living critters around us are unique, intriguing, and worth saving!
Thanks for reading!
View more photos in my Dagger fly gallery here:
Rhamphomyia Dagger Fly in DaffodilRhamphomyia Dagger Fly in DaffodilRhamphomyia Dagger Fly in DaffodilRhamphomyia Dagger Fly on DaffodilRhamphomyia Dagger Fly on DaffodilRhamphomyia Dagger Fly on DaffodilDeceasedRhamphomyia Dagger Fly in DaffodilDeceasedRhamphomyia Dagger Fly in DaffodilDeceased Dagger fly under microscopeDeceased Dagger fly under microscopeDeceased Dagger fly under microscope
Vocabulary
Leks – aggregation of (male) animals gathered to engage in competitive displays and courtship rituals, known as lekking.
Kairomone – allelochemicals where the chemical signals are favorable to the organism that receives the signal. A familiar example is the lactic acid component of human sweat that attracts the mosquito Aedes aegypti (Augustin, 2016).
Morphology -the study of the form and structure of organisms and their specific structural features.
Pheromone – semiochemicals that influence the physiology or behavior of members of the same species. They include sex attractants, alarm substances, aggregation pheromones and trail markings (Augustine, 2016).
Proboscis– tubular feeding and sucking organ of certain invertebrates such as insects.
References and Further Reading
Alcock, J. The Mating Behavior of an Undescribed Species of Rhamphomyia (Diptera: Empididae). J Insect Behav29, 153–161 (2016). https://doi.org/10.1007/s10905-016-9545-5
Funk, D. H., & Tallamy, D. W. (2000). Courtship role reversal and deceptive signals in the long-tailed dance fly, Rhamphomyia longicauda. Animal Behaviour, 59(2), 411–421. doi:10.1006/anbe.1999.1310 10.1006/anbe.1999.1310
Mischenko, M. and Frostic,M. 2009. Scanning Electron Microscope Still Image of Pollen Particles. Scientific Visualization Studio. NASA/Goddard Space Flight Center. https://svs.gsfc.nasa.gov/10394
I posted a few images last week to my iNaturalist page to see if I could get help from some experts in the butterfly community to ID this Polygonia butterfly past genus. It sparked a lively amount of conversation and I finally received a comment in the thread from West Seattle-based nature guide, ecological consultant and botanist, Stewart Wechsler, stating, “@cyndibrast Looks like you have the first confirmed Polygonia oreas iNaturalist observation for the San Juan Islands!” I would also throw out that the first person to correctly speculate the ID for this is my friend, lepidopterist David Droppers, who suggested I post in a wider audience to see what feedback I might receive.
Cool! So, I have the first Oreas Anglewing iNat. Sighting for San Juan County. 😀
Polygonia oreas – March 29, 2023, San Juan County, WA
Have there been others? Probably. Not everyone is using iNaturalist, so some sightings may not be on the radar for other bug enthusiasts. I like it to keep all my bug sightings organized and categorized and all that stuff and using iNaturalist makes it easy to find things when I want to go back to reference one. If you don’t have the iNat. app, give it a try. It makes your outdoor experiences a lot more interesting in a nerdy, scientific way. You can be a naturalist on your hike. It’s fun!
Here’s a bit of information about this interesting butterfly, now officially recorded on San Juan Island. Links to sources included below.
Oreas Anglewing (Polygonia oreas)
*From (C. LaBar 2013) and (Björklund, N.H. 2018-2022)*
SIZE: Wingspan of 40 to 50 mm (up to 2 inches)
Key ID Features: Above orange with black blotches and spots, often with very jagged wing edges, submarginal row of yellow chevrons and brown to black marginal band. HW above has yellow patches adjacent to dark marginal band. Below dark gray to black, with lighter gray striations, and prominent white flattened “v” (pointed at the bottom, often looking like a gull in flight) with no hooks in center of HW.
Similar species: Darker below than other comma species, white “v” mark on HW below lacks barbs. Other comma species either have stronger green submarginal shading below or the “comma” mark on HW below is curved (not a pointed “v”) or barbed or both.
Male: rusty orange and gold with black spots, dark brown wing margin with row of bright yellow spots. Ventral is variegated in contrasting shades of dark brown and black. White comma on VHW.
Female: slightly lighter dorsal and ventral colors and less-distinct ventral mottling.
Egg: green.
Larva: first two instars are brown and pale beige with black hairs and spines. Last three instars are mostly black with thin, white or yellowish bands around each segment and covered with rows of yellow-orange spines.
Pupa: mottled reddish brown, white and gray, with three pairs of silver spots.
Larval hostplants: currants (Ribes), primarily swamp currant (R. viscosissimum), also including R. divericatum (straggly gooseberry), and R. lacustre (swamp gooseberry).
Habitat: Forest fringes, especially in older stands, riparian areas and ravines, subalpine meadows.
Range: Coast Range, Willamette Valley, Western Cascades, east slope of Cascades, Wallowa Mtns, Blue Mtns. Season: Late February to mid-September Abundance: Uncommon
My brother and I have been swapping rat stories over the past few weeks. The rat that lives in our attic I’ve named Dora the Explorer. Perhaps you’ve seen me post photos of her previously. She comes and goes and I believe she was actually in our attic last winter. Well, Dora was making a lot of noise up in our attic the other night. We can hear her since she’s usually right above our couch. In fact, there’s a little circular hole in the ceiling that I’m not exactly certain has a reason for being there. It’s quite likely Dora is peeking through that hole watching us watch TV. She also probably doesn’t dare come into our house since she can probably SMELL Nimbus and Evie, our two, very bored, always looking for something to get into, indoor cats.
Dora the Explorer October 2022
Dora is smart, but she should have known we would hear her making all that racket up above. Well, my husband decided Dora was having a party or something and might have invited her friends. We might be OK if it was just Dora living in the upstairs attic room, but her friends aren’t welcome. He got out the traps. Don’t ask. You really don’t want to know.
I had to toast a pecan. Just one for each trap. My husband says toasted pecans are irresistible to rats. How the heck he knows this is beyond me. I thought they liked peanut butter. Well, the traps (I believe there were two) went up into the attic. The next morning, he asked me if I heard anything. Nope. Not a thing. No rat racket and no SNAP. Next night, nothing. Not a sound. Hubby went up to check the trap. Pecans still there. No sign of anything. No more noise. Dora is smart. She did this exact same thing last year. We are on season two. Dora decided to move out. So, I suppose the traps do work – just not like we expected.
I’m sure you’re wondering about my brother’s rat saga. Well, he definitely has a BIGGER problem. His rat isn’t in the attic. It is LIVING INSIDE HIS HOUSE. That’s right. It is hiding in drawers, sleeping in coat sleeves, and running down the hall after being discovered by Sassy the dog. If you ask me, that’s part of his problem. He has a DOG. Everyone knows that cats are much better at guarding you from the things that count – like invading mice and rats! Cats are stealthy. They also don’t yap all night and keep you awake when a rat is raiding your cupboards.
My brother says he has live traps set all over the house. He also has those ultrasonic noise maker things that humans aren’t supposed to hear, but I SURE CAN hear them! My parents have one in their attic and whenever I go visit, I have to ask them to turn it off. They can’t hear it, but the noise it emits is worse than having a giant rat party going on if you ask me. Maybe this is why the rat in my brother’s house is afraid of going into the traps he has out. It’s afraid of being stuck inside that house forever – subjected to the never-ending din of the ultrasonic repellers.
I offered a few tips to my brother to help him catch the rat. Have you tried opening a window? “Nope, and the rat just runs out of the room under the interior door.” Hmmm, have you tried using the inside cardboard tube from a roll of wrapping paper with a sock over the end to catch it? “Nah, don’t got any of those around.” Have you got one of those lever lids that you put on a 5 -gallon bucket that work with a ramp and catch the rat? “Made a homemade version and the rat took the food and managed to climb down the ramp without going setting off the lever.”
Well, what about buying a very nice rat enclosure and setting up food, water, a hammock, and some sort of a hide, and inviting your rat to stay? He sure seems awfully smart. My brother agrees with this. He says anything as smart as this rat sure deserves to live. Maybe not in his house, but he isn’t going to put out the traps like we did.
I drew a photo to text to my brother today, and suggested a name for his rat buddy.
Meet Einstein!
Einstein the Rat
The End (or perhaps only the beginning)…
P.S. If you are living in the Austin/Georgetown/Round Rock area and are in need of automotive dentless paint repair (he does airplanes too), give my brother a ring. He can fix you up! https://www.stephenspdr.com/contact
1903. Hutchinson, C.E. A bolas-throwing spider. Sci. Amer., vol.89,no.10,p.172,figs.
Well, I am home on the couch, still sick and running fever. It was a miserable night. I don’t really feel much like reading or watching TV or anything. If I lie down to try and sleep, my nose gets so stuffy I can’t breathe. If you have a few minutes, I will share something fascinating about one of the cool spiders I’m reading about in Chapter 1 of my book, The Spider by John Crompton.
John admits in his book that taxonomy isn’t really his thing. His focus is on behaviors. The behaviors of invertebrates is truly intriguing to me. I will forever be curious about these creatures, how they live, what their lives are like, and such. I’m having to work a bit, googling as I read, as the scientific names of many of these spiders have changed over the years – with reclassifications and updates that will sort of make you crazy trying to figure out what they might be called NOW.
The spider I want to share about is an Australian Orb Weaver spider, formerly called Dicrostichus magnificus, now re-named Ordgarius magnificus. The common name for this spider is the Magnificent spider or Bolas spider, a very suitable common name indeed. Keep reading and you’ll see why!
During the daytime, this spider hangs out in cryptic retreats. Usually these are little tents constructed from silk-tied leaves of eucalyptus trees. At night, the spider will come out to hunt and this is where things become fascinating.
At dusk, the Bolas spider sits on a twig and gathers her tools or perhaps more appropriately, her tackle. She spins a short silk threat about 2 inches long and at the end of this “line” attaches a sticky globule. The name Bolas actually comes from a South American throwing weapon with a weight on the end.
When everything is ready, Ms. Bolas sits with this line dangling from one of her front legs and waits. Amazingly, she also has coated the “lure” of her line with a pheromone mimicking her intended prey. The pheromone is said to replicate the scent of a certain female moth in the Noctuid group, attracting unsuspecting males of the species into range.
Ms. Bolas is triggered into action when she senses the wing beats of unwary moths nearing her line. According to Crompton, she actually lifts her weighted line and whirls it around her head. As the moth comes closer, into lassooing distance, she casts her line. If luck has it, the lure (globule) sticks to the target.
Even more incredible is the discovery of yet another spider species) Cladomelea akermaini, an African species of Orbweaver who also hunts using a bolas. Crompton states that this species is able to cut off her lure and replace it with a fresh one when, during a fishing expedition similar to the Australian Ordgarius magnificus, the lure dries out.
I will leave you to read more of Crompton’s account of these spiders on your own. It is truly fascinating – the idea of spiders creating and using tools. We underestimate what we cannot see. For in observing these creatures, our eyes are opened and we are amazed.
Here’s what I have compiled for anyone contemplating acquiring a bearded dragon. These are not inexpensive animals to own or keep and many are impulse purchases. My Drago came to us as a re-home, after another re-home. To the best of my knowledge, I am his 3rd owner, though I don’t really think of “owning” him, rather being his caregiver and advocate. Please do NOT buy your child a pet to teach responsibility or as a “REWARD” or “BRIBE.” If you have kids you need to bribe, get them a therapist and fix that problem when they are young. Animals should not be sold or traded to make a child happy. Children are not mature enough to care for a Bearded Dragon. Parents end up taking over and the animal suffers when families are too busy. Please don’t buy a bearded dragon to impress your friends. Before you walk out of the Pet Store with a 10 gallon tank, a lizard, and a bunch of stinking crickets, read through this! If you proceed with getting your bearded dragon, please adopt from a rescue group.
Supply List/Price List for Caring for Bearded Dragon
Enclosure/tank with screened top and front open doors (minimum size is 55 gallons, but for an adult bearded dragon, you will need a 4x2x2 (120 gallon) enclosure. My advice? Just get the 120 Gallon from the start!
CHE fixture – same as for basking light – Fluker’s 8.5” Clamp lamp with dimmer $20.95 (multiply this x 2 because you need 2 CHE’s for a 120 gallon enclosure) $41.90
UVB tube light – MOST IMPORTANT PIECE of equipment. Do not get a bearded dragon if you cannot afford to buy and replace these 4 times per year. Your animal will get metabolic bone disease and suffer greatly as its bones disintegrate.
Food – ALSO IMPORTANT. Don’t think your bearded dragon will survive its entire life on stinking pellet food, crickets, or mealworms.
Babies and juvenile dragons need 80% of their diet to be high quality feeder bugs. Dubia roaches and Black Soldier Fly larvae are good staples. Your little dragon will be hungry and EAT at least 25 roaches or fly larvae per day. You can buy 25 medium dubia roaches online for about $7.25, then add shipping to that. If you are feeding your pet 25 per day, get a lottery ticket and pray you win. Soldier fly larva are cheaper and you can get about 100 for $3, but again, add shipping. Also pray the weather cooperates and they arrive alive. Your animal is hungry and can starve if you don’t feed it. The secret remedy for all of this is to start your own colony of Dubia roaches. I can write a “how to” for that if you’re interested. My feeder bug price checks come from Dubia.com. I don’t care what Petco or Petland or any other stupid pet store tells you, you should not feed crickets as a staple. They are dirty. Don’t dump them into your reptile enclosure either. They will chew on your pet.
Substrate – this is what goes on the floor of your enclosure. If you have a baby dragon, use paper towels (NO FRAGRANCES). They are sensitive to fragrances and the chemicals in things like air fresheners, laundry detergents, dryer sheets are extremely toxic to their respiratory system. Use of paper towels will allow you to see their poo and urate and remind you to CLEAN UP after them so they don’t get a nasty respiratory infection when ammonia from their urate builds up in the tank. It’s gross. You also need to learn how to look at their poo and urate so you can tell if they are healthy or not. As you become more experienced, you can change to something else. If you use repticarpet, plan to change it daily, launder in hot water – NO FRAGRANCE OR DRYER SHEETS – and replace it DAILY.
Cleaners – Use white vinegar and hot water. $5 for a jug at Marketplace. No bleach. No alcohol. No scented cleaners.
Time and attention. Think about how YOU would feel stuck in an enclosure 24 hours a day where you are dependent on someone else to feed you, clean up after you, entertain you at least a bit, etc.). If you are working full time and/or you have children in school all day, this is NOT a good pet. In reality, they shouldn’t be pets at all. Please do not get your child one of these animals as a pet because they HAVE to have one or to teach them responsibility. Teach your child to be responsible about making their bed, folding cloths, sweeping the porch, doing homework. Don’t use an animal to teach responsibility. You will be doing the work and they have a normal lifespan of 15 years in captivity. If they live a shorter life, it may be from owner neglect and that will be on you. If you work from home or have a set up where you can take your dragon with you back and forth to work and home (think of all the expenses times 2), then maybe you can give an animal like this a decent quality of life.
Veterinary care. We do not have any experienced reptile vets in the islands. You will have to travel off island to find an experienced and capable vet. I have names, but again, this is not cheap or easy given our reliance on ferries.
Pet sitting. Going rate is about $60 per day. You will have to train someone to care for your animal. Good luck.
Estimate – not including the animal = Approximately $763.45 start up and plan on at least $196 monthly for food (25 roaches per day for a growing baby or juvenile dragon) – not including shipping charges.
I sat outside today in the sunshine, forced convalescence if you will, exhausted and achey after getting my Covid Omicron Variant booster vaccine yesterday at the San Juan County Fairgrounds. My outdoor time was unfortunately cut short because we have been inundated with construction development noise. I’m fairly certain I will be forever challenged to have an amiable relationship with our newest neighbors. In part, because they sited their VACATION home, right in front of our view. Mind you, they could have moved over 100 feet and we would not have to look across the top of our driveway at their newly constructed 2nd home. It has definitely impacted us. We’ve lost a lot of our privacy out here in the woods. It was never my desire to have close neighbors. I am a bit of a recluse….which is what the new neighbor said about his wife, yet, it begs me to ask again, WHY DID YOU BUILD YOUR HOUSE RIGHT ON TOP OF US?
Oh, and the jackhammering! That noise is enough to make a person homicidal. We had an entire summer of jackhammering from the former owners of that property. Really, truly, that property should never have been zoned for development. Not any development. It’s partly (half) wetland, and the other half is bedrock. Imagine the task of trying to excavate enough to bury your septic lines down the hill when you have solid bedrock! Also, our house is on that same shelf of bedrock, so the hammering shakes the walls and vibrates the floors of our home in the process of all this construction. The development on this lot has gone on for multiple years. I’m really tired of the disruption.
I digress. Sorry, I just had to vent. San Juan Island would be a much friendlier place for wildlife and bugs and such if we didn’t allow anyone to build a 2nd, or 3rd home here. We are outgrowing our space and it isn’t pretty.
Here’s my bug of the day. This beauty is a Western Calligrapher Fly (Toxomerus occidentalis). I was mesmerized watching it rest on the mint leaf. The patterning on the dorsal side of the abdomen reminds me of some sort of totem design.
The adults of this fly species are pollinators. They lay eggs on plants near aphids and when larvae emerge they are predatory on the aphids. It is believed that late instar larvae overwinter, pupation takes place in the soil cavities in the spring and adults emerge later in summer. The name for this group of flies comes from Greek toxon ‘bow’ + meron ‘thigh’ (refers to the bow-shaped hind femur). You can see the curve in the first photo below, circled in red. Something else interesting pertaining to the adult coloration I found on bugguide.net: “Colors vary with overall temperature during pupation: if it was hot, the yellow/orange increases and the background becomes lighter, but if it was cold, the dark/black increases and the yellow/orange becomes darker like the background.”
Enjoy the last few days of sunshine and embrace our native pollinators. We are heading into the dark part of the year. For those of us who live here year round, you know what to expect. Lots and lots of rain.
Bugging You From San Juan Island 