Gall about 0.5 inches; on Quercus alba
Megisto cyela little wood satyr
Less than 0.5 inches on planted pin oak Quercus palustris...Croesia species?
At least 0.75 inches, on planted Quercus palustris
This tiny Moth Fly (Psychodidae) came to my porchlight. This one is smaller (FW 2.5mm) that the ones I occasionally see in my house around drains. Compare with BG:
An arthropod is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and jointed appendages. Arthropods are members of the phylum Arthropoda (from Greek ἄρθρον árthron, "joint", and πούς pous (gen. podos), i.e. "foot" or "leg", which together mean "jointed leg"), and include the insects, arachnids, and crustaceans. Arthropods are characterized by their jointed limbs and cuticles, which are mainly made of α-chitin; the cuticles of crustaceans are also biomineralized with calcium carbonate. The...