Moved from Barklice and Booklice.

I agree with Eric that this is Cerastipsocus trifasciatus; Family Psocidae. I also love Robin's observation that it resemble the apple maggot fly. That is great parallel or convergent evolution. To add more of a twist to this I heard that the black patterns on the apple maggots flies wings may (when seen from behind) mimic a jumping spider. If so it would mean that both these insects would be able to scare off small foolish predators. But now that I think of it the wings need to be held open at and angle, so how does this work for the Psocoptera who keep their wings closed while walking...

I would guess some kind of bark louse - just by eyeballing its "general form and outline" (whatever that means!)
But what struck me most about the photo was the pattern in the wing: it's very much like the wing of the Apple Maggot Fly (Rhagoletis pomonella), shown here.
The resemblance is amazing, especially since (if your photo is indeed a bark louse) we're talking two different orders of insects. Is this an example of what they call "parallel evolution" or something?