Is that a Promachus that I spot??? 😍

Alas, not that I'm aware of. Good luck in your search though!

Within the past 20 years! Ethanol stored is great, but I can get decent numbers from pinned specimens too ✨🪰

Flies also are really diverse, and many are extremophiles, meaning they might be the only insect you notice closer to the poles. Specifically in Antarctica, the only insect that can survive year-round is a flightless midge! en.m.wikipedia.org/wiki/Belgica... 🪰💕

Hm, then I'm not sure, but if it's seasonal, it could be migration: resjournals.onlinelibrary.wiley.com/doi/10.1111/...

High latitudes, like geographically, or like along elevation? If it's among elevational gradients, it could be a behavior called Hilltopping, which is this cool thing that many animals, but especially flies do! en.wikipedia.org/wiki/Hilltop...

www.uoguelph.ca/nadsfly/Tach...

Two robbers (😍) and what looks to be an unlucky syrphid (💀)!

I'm sure most of my bullying comes from all the times their heads have just popped off while I'm trying to point them 😅

5/ Some wings have evolved strategies to help reduce damage resulting from collisions. For example, we learned a few years ago that wasp wings have a flexible joint that acts like a reversible crumple zone, allowing the wing tip to easily bend out of the way when it hits things...