Tag Archives: insects

Supranivean insects and spiders

Winter is usually a depressing down time for those who enjoy taking photographs of insects and spiders, but a fresh snowfall can reveal all sorts of critters still crawling around, albeit slowly or not at all. Below are 11 of my recent finds.

1. Some sort of cynipid wasp. It’s nearly wingless (subapterous), so likely a member (female, obviously) of the asexual generation that many of these wasps go through. If I knew the species I could provide a link to the gall they make (usually on an oak), which often looks very different from the gall made by the sexual generation. If you recognize the genus or species, please let me know. Or, if you are a member of iNaturalist, comment on the observation page. Hildacy Farm, Media, PA.

Asexual cynipid in snow

2. This is probably a queen Lasius claviger. This species is a social parasite, so she might be out looking for a nest of some other species in the genus. I couldn’t find any report of queens being active during the winter so perhaps there’s another explanation. This individual was one of two I found, separated by several feet. Thanks to Gordon C. Snelling on iNaturalist for genus ID. If you think my species ID is wrong, you can correct me on iNaturalist (with thanks). Hildacy Farm, Media, PA.

Lasius claviger (queen)

3. Fly in the genus Simulium, per suggestion by John F. Carr on BugGuide. Here’s the iNaturalist page if you know the species and care to leave a comment. I’d even be grateful for a subgenus guess. It’s a black fly, but I’m not sure whether all of them are biting. Hildacy Farm, Media, PA.

Simulium sp. in snow

4. This seems to be a fly in the genus Pollenia, notable perhaps because they parasitize earthworms, which was news to me. Perhaps I’m easily impressed. Saratoga Springs, NY.

Pollenia sp. in snow

5. Here’s another fly from Saratoga Springs, and I think it’s also a Pollenia. Also not moving but in this case likely dead (its thorax seemed crushed, though ventral view doesn’t show it. If you have ID thoughts, here’s iNaturalist page.

Pollenia in snow

6. This a male Chironomus crassicaudatus. A tad contorted and not moving so not the best photograph. Thanks to John F. Carr for ID. Here’s the iNaturalist page if you’re curious. Hildacy Farm, Media, PA.

Chironomus crassicaudatus (male) in snow

7. This female fly was a few feet away from the male above, and is perhaps the same species. But definitely in the same tribe (Chironomini). Thanks, again, to John F. Carr for identification. I’ve also posted the photograph on iNaturalist if you want to weigh in on identification. Hildacy Farm, Media, PA.

8. Another fly in the genus Simulian, per Katja Schulz on iNaturalist. Sure looks like the images on the (Psilozia) vittatum species complex page on BugGuide. Hildacy Farm, Media, PA.

Simulium sp. in snow

9. Lygus lineolaris, per an identification on iNaturalist. Hildacy Farm, Media, PA.

Tarnished plant bug (Lygus lineolaris) in snow.

10. Some type of crab spider (Thomisidae). I haven’t been able to ID further. If you have thoughts, please see the iNaturalist observation page. Hildacy Farm, Media, PA.

Thomisidae in snow

11. Long-jawed orbweaver, probably Tetragnatha. The strange thing about this spider is that I found it several feet away from where I found Tetragnatha in the snow one year before. So I was actually looking for a Tetragnatha in the snow when I found it. If you are a member of iNaturalist and want to comment on the species … here’s the page. Hildacy Farm, Media, PA.

Tetragnatha sp. in snow.

Sadly, I didn’t find any snow flies (Chionea) but here’s one I found several years ago. This post has details.

Colin Purrington Photography: Insects &emdash; snow-fly

Moth Night photographs

I’ve been out mothing before (with my dad and his moth friends), but I finally made it to an official National Moth Week event this past Saturday at Natural Lands Trust‘s Hildacy Farm Preserve. It was raining so there wasn’t a great turnout (by the moths), but below are several photographs from the evening.

To set the scene for those of you who haven’t had the experience: we had a flood light, a mercury vapor light, and a blacklight set up next to a couple of white sheets. Any one of them would work just fine, but the more light the better, in general. Even a cell phone screen can attract moths.

Colin Purrington Photography: Insects &emdash; moth-blacklight

The large moth in silhouette above is a Pandora sphinx moth (Eumorpha pandorus). I think the person is entomologist Tanya Dapkey of the University of Pennsylvania. Bigger photo of the moth is below.

Colin Purrington Photography: Insects &emdash; pandora-sphinx-moth

Here’s a copper underwing (Amphipyra pyramidoides), one of two that I found on a tree far away from the lights. E.g., you can go out at night with a flashlight and find moths just hanging out.

Colin Purrington Photography: Insects &emdash; copper-underwing-head

This moth was also just hanging out, avoiding the rain. I think it’s a spotted Phosphila (Phosphila miselioides).

Colin Purrington Photography: Insects &emdash; green-arches-moth

Just in case you want to start planning your own Moth Night, National Moth Week will be July 22-30 in 2017.

Dangerous red light district for camel crickets

Further refinements to my camel cricket control setup.  Addition of a red “party light” illuminates the whole area so that the motion sensor works much better — no more motion-sensing lights in the system, as per initial design.  Note: most insects don’t see red well, so it’s just dark to them.  Just dab a little food onto the surface of the motion sensor, and they will come.  And then they will go.  Last night I caught approximately 30 crickets.  While I slept.  And upon waking, I could check my iPhone for the update from the WeMo app (I have it say, “Crickets sucked” at each event). Details on how to make your own. Two photographs below were taken by a Belkin Netcam HD automatically, when motion was sensed.  Again, all while I slept.

Camel cricket vacuum