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Why You Should Appreciate Native Plants: Ocean Spray Insights

Posted on June 25, 2025 by "BUGGING" YOU FROM San Juan Island Leave a comment

For the past few years, I have observed one of our native shrubs to see what pollinators are visiting. Calscape has recorded Ocean Spray (Holodiscus discolor) as a host plant to approximately 14 species of Lepidoptera. Yet, I have actually never seen a single pollinator visiting the cascades of snowy white, delicate blossoms. I’ve also heard from a handful of local folks on San Juan Island. They say Ocean Spray is “invasive” and should be brush-hogged. According to them, it’s a “fire hazard.” This view is disturbing to me. I felt it important to find concrete evidence of this native plant’s value in our ecosystem.

Well, the other evening, I documented the first pollinator I’ve ever seen visiting these blossoms. There is a gorgeous Ocean Spray out our bathroom window. I noticed movement in the upper portions of the shrub. It wasn’t windy, so something else was causing the movement. I went out later, around 9:00 pm, to investigate the cause of the disturbances. Can you guess what I found? Bumble bees!

I also experienced annoyance from another buzzer. A Cattail mosquito, Coquillettidia perturbans (say co-KEE-luh-tih-dee-uh PURR-tuh-binz) promptly discovered my bare arm. It slipped its hypodermic proboscis into my epidermis with effortless precision, a precision superior to any medical professional’s injection. I didn’t feel it at all.

Cattail mosquito (Coquillettidia perturbans)

I would describe the bites from these mosquitoes as a very mild annoyance. I didn’t have any after-reaction at all. It was certainly not anything like the bites from some of the other insects I’ve experienced here, especially not thrips. I’m definitely not a thrips fan! You can read about thrips here in case you’re interested. https://buggingyoufromsanjuanisland.com/2021/06/29/public-health-alert-and-some-free-advice/

Getting back to the other buzz in the Ocean Spray. The buzz I was so happy to discover is the bumble bee (Bombus flavidus ssp. flavidus). I didn’t make the identification to subspecies on my own. That was with the help of a fellow named John Ascher on iNaturalist. If you’re curious about his work, you can learn more here: https://extension.oregonstate.edu/podcast/pollination-podcast/137-john-ascher-problem-measuring-bee-decline

Bombus flavidus ssp. flavidus

Bombus flavidus is a species of Cuckoo Bumble Bee, and one of the most widespread species in the world. These bees don’t have a worker cast like other species of bumble bees. They find nests of other bumble bees to occupy and invade these nests. The host bumble bee workers then rear the offspring of the cuckoo bumble bee along with their own offspring.

I hope my discovery leaves you curious about what pollinators visit Ocean Spray in your yard. My next goal is to make nighttime observations. I want to see what is visiting the flowers while they are still in bloom. I suspect they have nocturnal pollinators. If you find any, I hope you’ll report your findings with me. 🙂

To see more of San Juan Island’s invertebrates, please join and follow me on iNaturalist – https://www.inaturalist.org/observations?place_id=any&user_id=cyndibrast&verifiable=any . If you have never used iNaturalist, try it out! I love it because it’s a way to connect with other entomologists. It also helps me organize my findings into appropriate categories for referencing when I want to look something up.

You can also find my bug observations on Facebook at https://www.facebook.com/cynthia.brast.bormann or join one of the bug groups I help admin: Bugs of the San Juan Islands at https://www.facebook.com/groups/3594158544144419 or Pacific Northwest Bugs at https://www.facebook.com/groups/904079732957442/

Also, please don’t go crazy with the brush hog. Nature loves messy. Humans cause fires. We can do much on that end to prevent them by changing our behaviors and being more careful. Scraping the earth bare and/or parking out your parcel to be “fire wise” is actually not kind to nature. We need to protect habitat for the wild things, not eradicate it. Even mosquitoes have a role in the food web.

Thanks for reading!

Bombus flavidus ssp. flavidus

References

Brast, C. 2021. IT’S ALL CONNECTED! KNOW YOUR ECOSYSTEM – BUTTERFLIES AND MOTHS LOVE OCEAN SPRAY (HOLODISCUS DISCOLOR). Bugging You From San Juan Island. https://buggingyoufromsanjuanisland.com/tag/holodiscus-discolor/

No author. 2024. Fernald Cuckoo Bee Bombus flavidus. Bumble Bee Atlas and the Xerces Society for Insect Conservation. https://www.bumblebeeatlas.org/pages/bombus-flavidus

No author. No date. Ocean Spray (Holodiscus discolor). Calscape – California Native Plant Society.

Mayer, M. 2021. Cuckoo Combo: Re-Classification Makes Bombus flavidus World’s Most Widespread Bumble Bee. Entomology Today. https://entomologytoday.org/2021/04/28/cuckoo-combo-reclassification-bombus-flavidus-worlds-most-widespread-bumble-bee/

Murray, T. 2024. Species Coquillettidia perturbans. Bugguide. Iowa State University. https://bugguide.net/node/view/26971

Identifying the Nicocles canadensis Robber Fly

Posted on June 17, 2025 by "BUGGING" YOU FROM San Juan Island Leave a comment

It has taken a bit of time to finally sort out genus and species for this very cool Robber fly with beautiful caramel-brown mottled wings I spied the evening of June 6, 2025. It perched on a dried apple mint stem from last season, no doubt scouting the terrain to see what might be on the menu for dinner. Robber flies (Family Asilidae) are predatory. They catch other small invertebrates to eat, paralyzing them with special salivary digestive enzymes and then sucking up the liquified contents through the proboscis (Cannings, 2013).

Getting to an identification beyond Genus for this one has been incredibly frustrating, and complicating the process is the limitation of the key I was using (Wilcox, 1946), which primarily describes male specimens.

Robert Cannings has studied the Asilidae for many years in British Columbia and states this genus “sorely requires systematic attention.” I finally just gave up and reached out to Rob for help. He wrote me and said, “I’m pretty sure this is Nicocles canadensis. It’s a female, and some females are difficult, even when under a scope, because the Wilcox key, which is the best we have for now, deals with them poorly and concentrates on males. Nicocles canadensis is the species in the genus most often seen on BC’s south coast and, I assume, in your area.”

This is the only Nicocles fly I’ve ever found on our property on San Juan. According to Rob’s 2014 publication (linked in the references below) in Canada, ” Nicocles canadensis is restricted to Garry oak savanna and adjacent dry woodland on southern Vancouver Island (Saanich is the type locality),” so I anticipate this may be similar for our neighboring area.

Check out the attached references if you are interested in learning more about Robber Flies in our region.

Thanks for reading!

References

Cannings, R.A. 2014. The Robber Flies (Diptera: Asilidae) of Western Canadian Grasslands. 10.3752/9780968932179.ch7. https://www.researchgate.net/publication/268524943_The_Robber_Flies_Diptera_Asilidae_of_Western_Canadian_Grasslands

Cannings, R.A. 2013. Robber Flies (INSECTA: DIPTERA: ASILIDAE) Of The Montane Cordillera Ecozone.

Cannings, R.A. 1994. Robber Flies (Diptera: Asilidae) new to Canada, British Columbia, Yukon,
and the Northwest Territories with notes on distribution and habitat. J. Entomol. Soc.
British Columbia: 91: 19-26. https://www.biodiversitylibrary.org/part/213777

Cole, F. R. 1969. The Flies of Western North America. University of California Press. Berkeley and Los Angeles.

Fisher, E.M., and Wilcox, J. 1997. Catalogue of the robber flies (Diptera: Asilidae) of the
Nearctic Region. Unpublished preliminary draft.https://staff.royalbcmuseum.bc.ca/wp-content/uploads/2013/08/Catalog-Nearctic-Fisher-Wilcox-1997-manuscript-copy.pdf

Geller-Grimm, F. 2008. Robber Flies (Asilidae). Internet site at http://www.geller-grimm.de/asilidae.htm

Melander, A.L. (1924) Studies in Asilidae (Diptera). Psyche [1923] 30: 207-19. https://onlinelibrary.wiley.com/doi/pdf/10.1155/1923/83461

Wilcox, J. 1946. New Nicocles with a key to the species (Diptera, Asilidae). Bulletin of the Brooklyn Entomological Society 40 (1945): 161-165; New York – Lancaster. https://www.biodiversitylibrary.org/page/50573094#page/180/mode/1up

Exploring Dry Soils: Nature’s Resilience in Difficult Conditions

Posted on June 10, 2025 by "BUGGING" YOU FROM San Juan Island Leave a comment

Globular springtail (Fasciosminthurus quinquefasciatus)

I’m quite fascinated by the rapid colonization of the very dry soil in the strip where our internet fiber cable was installed this past spring. Because disturbed soils can be great for seeding native wildflowers, I threw out several packets of a Pacific Northwest seed blend to see what might grow and I’ve been checking often to see what is coming up. In spite of the very dry weather we are having, there are some lovely Bird’s-eye Gilia (Gilia tricolor) blooming now.

I see some Farewell to Spring (Clarkia sp.) popping up too, though they have not bloomed yet. There are others I have yet to identify. It’s been so hot and dry, I’m hoping the lack of water doesn’t ruin my efforts at re-wilding this spot.

In spite of the dry, cracked earth, there are Andrena sp. mining bees already claiming this strip. There are little holes everywhere.

I also saw one quite unique hole surrounded with round dirt “pebbles,” that looked to have been arranged to mark the entrance.

As I leaned closer to inspect this architectural oddity, I saw something I would never have even noticed without the help of my macro lens. It was a colony of Globular springtails (Fasciosminthurus quinquefasciatus). There were easily about 8 or so. Can you spy the one on one of the “pebbles?”

I was able to get one or two in focus. These springtails are incredibly small – perhaps only 1mm, and recognizable by the 5 transverse bands (jailbird stripes) across the dorsal abdomen. This species is unique among springtails in that while most species require moist habitats to survive, F. quinquefasciatus thrives in arid environments with little to no vegetation in areas with southern or south western exposure.

If you follow closely in the video here, you might notice that the individual I was tracking either pooped or laid an egg on that piece of straw (between the 45 and 55 second mark. I will add some still shots clipped from the video as well.

A personal note ~ While our daily lives are often complicated with work and family obligations, as well as anxieties many of us have about climate change and political uncertainties, taking time to notice the natural world around, even in seemingly uninhabitable habitats can bring a bit of hope. There is life around us. We just might have to sit on the ground and get dirty to see it.

Thank you for reading and thank you for caring about nature.

Counting Bugs: What’s at the light in the night? April 20, 2025

Posted on April 21, 2025 by "BUGGING" YOU FROM San Juan Island Leave a comment

Here’s a quick rundown of what I spied at my bug light when I checked this morning. I did move the bucket and light to a new location across from our house in our open air barn.

There were nine species of moths (31 individuals), two species of Coleoptera (beetles), and one wasp that I believe is Ophion sp.

Moths:

Egira perlubens = 1

Egira (either E. simplex or E. crucialis) = 3

Egira rubrica = 1

Orthosia transparens = 5

Orthosia hibisci = 8

Orthosia praeses = 8

Feralia comstocki = 2

Eupithecia graefii = 2

Melanolophia imitata = 1

Beetles:

Diplotaxis sp. = 2

Strophosoma melanogrammum = 1

Wasps:

Ophion sp. = 1

If I may, I’d like to leave you with something to consider. When you rake your leaves and clean your yard – especially if you are burning, chipping, or bagging and removing all those things that fall onto the ground, you are eliminating habitat for native species. If you can refrain the urge to spring clean around your property, you can help support life.

These may be somewhat drab colored moths and you may not even like them, but they sustain other organisms, including plants, because moths are also nighttime pollinators. Each species has a niche, and a role in the ecosystem (and ultimately the food web).

Please take note of nature around you. It’s actually beautiful and mysterious. Whether you like it or not though, nature is life. Nature matters. Little things like leaving the leaves can make a difference. Care.

Thanks for reading.

April 6, 2025 – A Wet Spring Day

Posted on April 6, 2025 by "BUGGING" YOU FROM San Juan Island One comment

Last night, I did manage to get my moth light working again and set things up to see what I might find this morning. While I didn’t really want to get out of bed at 7:30, keeping a routine is important to me. I find it tremendously helpful in managing the ups and downs of one’s mental perspective. You’ll have to bear with me a bit though. I will get to the moths, but have to vent about something that upset me. One of my three cats was chattering at the sliding door when I walked towards the kitchen. I looked out to see what he was watching, and there was a little bird on the ground, obviously suffering from some unfortunate injury (most likely from our neighbor’s free roaming cat). That made me feel sad and angry and it wasn’t the best start to my day.

Don’t get me wrong. I love cats, but I don’t agree that it is OK to allow your feline friend to maim and kill wildlife. I do take my kitties outside with me into our fenced area for supervised recess, but I DO NOT ever leave my cats out alone and certainly do not allow the killing of wildlife. Not even bugs. Drago the lizard may get away with bug murder on occasion, but his impact is quite minor compared to the magnitude of damage done by free roaming cats when it comes to decimating wildlife.

We need to get people to change and become more responsible pet owners. If you disagree with me on this, I might add that I also saw someone’s cat was literally ripped apart on their front porch by two unleashed huskies in Friday Harbor yesterday. That also makes me sad and angry. I blame the cat owner AND the dog owner. It was senseless and preventable.

I think humans need a license to own a pet. We also need ANIMAL CONTROL in San Juan County. There is none and these huskies have been loose and killed cats before. However, if the cat owner was allowing the cat to roam outside unsupervised and unprotected, that’s another layer to the incident. What if someone had left their baby in a stroller long enough to run inside for keys, a purse, etc.? No one should own a husky as a pet. They are notorious for getting loose and killing things. But humans are not all that smart are they?

I did go out to check on the bird. It sort of looked like a finch, or maybe even a female cowbird (except it was too small to be a cowbird). Let’s just say the head looked like a female cowbird’s, but the body was more finch like in size.

It can hop. I put a bit of seed out on the ground and left it alone. It would just stress the bird for me to try and capture it. Maybe it will recover.

Please don’t say, it’s just nature, because cats are not native here. Also, my neighbor’s cat dug up all of my garden pea starts last year and pooped in the garden bed. Pea starts are expensive. People need to keep their cats indoors, or in a catio, or just supervise them outside so they don’t cause problems or be killed by dogs that should not be owned by humans as pets.

After I checked on the bird, I did go and look at my moth bucket. There were 7 specimens. Not many, but I went through them and here’s what I found. Six moths and one wasp.

*Cerastis enigmatica*, the Enigmatic Dart Moth

*Orthosia hibisci*, the Speckled Green Fruitworm Moth

*Egira crucialis* , I believe. Egira for certain though

Orthosia sp. I am undecided about species for this one.

The next moth below looks like it has a little pixie cap on. It’s one of my favorites. The red colors are so pretty. It’s in genus Orthosia like some of the others above, but I believe this one is Orthosia transparens.

I saved the best one for last. I have only seen this moth on two other occasions, but it one so remarkable, you remember it well. This is an owlet moth called Behrensia conchiformis. I would love to discover what makes the interesting metallic colors in the wings. The larvae of this species are foodplant specialists. They feed only on honeysuckle (Lonicera spp.) and snowberry (Symphoricarpos spp.) in the Caprifoliaceae.

Thanks for reading…especially for reading my rambling rants of the day. While I’d like to stick to just bugs, I am finding it somewhat therapeutic to include my feelings here, and to interject some of my opinions. They are mine and yours may be different. I respect that, but I hope perhaps upon reflection, even someone who might initially disagree with my perspective, might have a change of heart.

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Nuptial Gifts

Posted on April 4, 2025 by "BUGGING" YOU FROM San Juan Island 3 comments

Empis Dance Fly with Bibionidae fly as nuptial offering for a female Empis fly

This afternoon I would rate a 10/10 for entomological adventure. It happened outside, just behind our barn about 3:30pm. I went out to feed our resident raven and took a stroll over to a sunny corner of our property. As I neared an old barbed wire fence line, I noticed an aggregation of flies bobbing around over one of the native Ocean Spray (Holodiscus discolor) shrubs. Moving closer, as stealthily as possible, I saw these were Empis dance flies and I got very excited. There seemed to be about 15-20 in the group.

Empis Dance Fly (male) with Bibionid fly nuptial gift

I watched as I stood in the sun. The sun’s warmth felt really good on my body. Hopefully, we will have more sunshine and some days of vitamin D will infuse my cells and pull me out of this funk I have been wallowing in. The flies dancing in the sun were a sight. I crept forward a bit closer, trying not to slip into the fencing, but enough so as to get some video to share.

You will have to forgive me for the shake in the footage. It is not easy to remain steady and focus on a nervous fly that leaves its perch if you so much as breathe too deeply when you are moving the camera close enough to zoom in for a good macro shot. I think I was holding my breath a lot while I was trying to take pictures.

Empis Dance Fly with nuptial offering

This fly should be classified in the genus Empis. Last year, I found Empis barbatoides in our orchard. You can read an earlier blog post I wrote about them here https://buggingyoufromsanjuanisland.com/category/dance-fly/empis-barbatoides/ I believe these may be the same species, but I say this with a caveat. I am hoping to get my hands on a copy of the revisions by Sinclair, Brooks, and Cumming I have referenced below. It appears I may need this and the updated keys to try and ID my fly beyond genus level, so I’ve emailed the lead author and hopefully will hear something back.

If you look closely, you’ll see in some of the photos the fly is holding a balled up insect. This is a species of March fly in the family Bibionidae. I saw a few hiding around in the tall grass like this one in the photo below.

March fly (Bibionidae) hiding in the grass

Evidently, they were being picked out by the male flies and rolled up into a nice nuptial gift to present to a female Empis fly to entice her to mate. The male Empis fly will carry this balled up dead insect and “dance” around to attract a female. That’s what I found so fascinating to actually watch in person. It isn’t every day you see something like this! Since flies seem to be attracted to certain spots for mating aggregations (it’s called hilltopping), perhaps this is a spot where I might be lucky enough to see this action again.

References and Further Reading:

Alcock , John. 1973. The mating behaviour of Empis barbatoides Melander and Empis poplitea Loew (Diptera: Empididae), Journal of Natural History, 7:4, 411-420, DOI: 10.1080/00222937300770301

Bugguide. 2023. Family Empididae – Dance Flies. https://bugguide.net/node/view/6578

Pehling, D. 2004. Empis Dance Flies Empis spp. Bug of the Month . Scarabogram. https://crawford.tardigrade.net/bugs/BugofMonth40.html

Sinclair BJ, Brooks SE, Cumming JM. Revision of the western Nearctic species of Empis subgenus Enoplempis (Diptera: Empididae). Zootaxa. 2025 Mar 31;5615(1):1-200. doi: 10.11646/zootaxa.5615.1.1. PMID: 40173481. https://pubmed.ncbi.nlm.nih.gov/40173481/

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Spring!

Posted on March 27, 2025 by "BUGGING" YOU FROM San Juan Island 2 comments

I hope it’s safe to say that Spring has finally arrived in the San Juans. We have enjoyed tiny blips of sunshine the past two afternoons, enough to awaken life in miniature around our home. I’ve found these tiny lives going about business on the “highway” around the top of our above ground pool, crumbled mounds of dirt in hard-packed soil where little mining bees have excavated their way to the surface from a long winter sleep, and a suite of species of flies (our best early spring pollinators) sipping at the miniature chickweed flowers that opened overnight. I’ve also seen my first tiny “sugar” ant in the house, most definitely a harbinger of spring!

In these days where we are likely weary of the many assaults on our souls – from reading that we are at the precipice of mass species extinction to the news reports of fires and other natural disasters (intensifying from climate change), and the horror of what we face watching our nation torn apart and not really knowing what the fateful consequences of unchecked power will be, I hope you will do as I am trying to do…take each day moment by moment, and find some beauty wherever you can. Remember the dandelion that blooms in the crack in the concrete. If you’re reading this, go outside and B-R-E-A-T-H-E.

Yesterday I saw the first Yellow Rumped Warbler of the season. The Violet Green Tree Swallows are going to show up any day now. Go soak yourself in nature while we still have nature around us.

Golden Dung Fly (Scathophaga stercoraria)

I’ll leave you to shadow dance with this happy little Cereal fly on my blue garden chair….💙

Thanks for stopping by!

Cereal Fly (Geomyza tripunctata) shadow dancing

Green Ostomid beetle

Posted on March 1, 2025 by "BUGGING" YOU FROM San Juan Island Leave a comment

I found this gorgeous BENEFICIAL Green Ostomid beetle yesterday on the floor of our barn in the sand. Moved him over to some alder logs we have stacked as wildlife habitat and discovered he appeared to be quite thirsty. Yes, I did actually bring him some more water to drink from our outdoor above ground “pond.” More in the video description. Also want to add that if you have Alders on your property – please don’t grind them up or burn them. They are extremely important resources for many species of wildlife. They hold water even as dead trees, and they are full of insects that feed many birds (and other insects and spiders).

Culex territans, the Northern Frog Biting Mosquito

Posted on July 24, 2024 by "BUGGING" YOU FROM San Juan Island Leave a comment

Watch and you’ll see this incredibly amazing association. This is Culex territans, the Northern Frog Biting Mosquito. Culex territans is found in a wide variety of habitats, but is most commonly associated with freshwater marshes, bogs, and ponds or streams with emergent vegetation.

Culex territans prefers feeding on cold blooded animals (amphibians and reptiles), but feeds most frequently on Anurans (frogs and toads). Here you see the mosquito feeding on a Pacific Tree Frog (Pseudacris regilla). The MOST interesting thing about this species is that females find their amphibian hosts via phonotaxis. This means they find their host via acoustics. They utilize the frog vocalizations to locate these animals for bloodmeals (Bartlett-Healy et al., 2008b). Mosquitoes can hear! 🦟🦻🏻

Location: San Juan Island, WA
ID: Culex territans (my ID confirmed by UF mosquito expert, Lawrence Reeves)
More info.: https://edis.ifas.ufl.edu/publication/IN1394

*Culex territans*, the Northern Frog Biting Mosquito

References and Further Reading

Barnhart, Max. 2023. A male mosquito’s hairy ears tune into mates. New research suggests we can stop that. Goats and Soda. Stories of Life in a Changing World. NPR. https://www.npr.org/sections/goatsandsoda/2023/08/18/1194390459/hairy-ears-of-male-mosquitoes-help-them-find-the-ladies-can-we-disrupt-their-hea#:~:text=It’s%20true!,waves%20pass%20through%20the%20air.

Bartlett-Healy,K. Wayne Crans, Randy Gaugler. 2008. Phonotaxis to Amphibian Vocalizations in Culex territans (Diptera: Culicidae), Annals of the Entomological Society of America. 101 (1) 95–103. https://doi.org/10.1603/0013-8746(2008)101[95:PTAVIC]2.0.CO;2

Bhosale, Chanakya R., Burkett-Cadena, N.D., Mathias, D.K., 2023. NORTHERN FROG BITING MOSQUITO CULEX TERRITANS (WALKER 1856) (INSECTA: DIPTERA: CULICIDAE). UF IFAS Extension PUBLICATION #EENY-803. https://edis.ifas.ufl.edu/publication/IN1394

Bugguide.net. 2023. Culex territans. Iowa State university Extension. https://bugguide.net/node/view/60953

Hoover Pantoja-Sánchez, Brian C. Leavell, Bianca Rendon, W. A. Priyanka P. de-Silva, Richa Singh, Jian Zhou, Gil Menda, Ronald R. Hoy, Ronald N. Miles, Neil D. Sanscrainte, Ximena E. Bernal; Tiny spies: mosquito antennae are sensitive sensors for eavesdropping on frog calls. J Exp Biol 15 December 2023; 226 (24): jeb245359. doi: https://doi.org/10.1242/jeb.245359

McIver SB. 1969. Notes on the biology of Culex territans Walker. Mosquito News 29: 135 -136. https://doi.org/10.1111/j.1752-7325.1969.tb02823.

Know Your Pest Predators – Make Friends with Eudioctria sackeni

Posted on July 11, 2024 by "BUGGING" YOU FROM San Juan Island One comment

This is one of my favorite garden residents (Eudioctria sackeni), or the Sacken Longhorn Robber. I remember the first time I saw one of these, I thought, “Wow, it’s an Ombre Fly!” If you didn’t know, “ombre” means the blending of one particular color hue to another, often from light tints to dark. The coloration in this particular fly is distinctly “ombre,” though it varies in individuals within the species.

Eudioctria flies are in the family group, Asilidae or Robber flies. They are voracious predators of small insects that can be pests of gardens and orchards. Here, you see this one enjoying a small dipteran (fly) of some variety, perched on the leaf of one of my mint plants. The mint is a popular scouting platform. On any given day in the summer, I’ll see 4 or 5 of these flies in a six foot strip of mint which has become quite abundant in the yard over the past few years. The mint seems to be quite attractive to pollinators, and it also provides shelter for other bugs and critters. Our little tree frogs love to sit in the mint too.