Last night, upon locking up the front doors, we discovered the inside hallway walls covered with teeny, tiny flying insects. They jumped around, and I was worried that somehow fleas had invaded us.
If anyone (does anyone read this??) can identify, let me know. They are about 1/2 cm. long, without the antennae.
Here is a picture of the dead carcasses on the back doorstep:
Here is a close-up, taken through our magnifying tweezer lens: