Robber-fly-

Robber fly (Atomosia puella) eating a non-biting midge (Chironomidae)

There are many robber flies. This one is common on tree trunks, where it perches, watching the skies for other insects to fly by. When it sees one, it flies out, grabs it, injects powerful venom, and then brings it back to its perch to suck the body fluids from the prey. Mini dramas abound on nearly every tree trunk.

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