Eight species are known from North America in the genera Garcialdrete, Philotarsus and Aaroniella
These are medium-sized barklice (2-3.5 mm, nymphs 2-3 mm) with robust bodies a
Head and thorax often hairy.
Antennae have 13 segments.
Compound eyes are less prominent than in some other families,
Tarsi have 3 segments in North American species (2 segments in some Philotarsus).
FW appear hairy or fuzzy, hairs on margin of FW form crossing pairs.
Veins Rs and M are usually fused for part of their length.
HW veins Rs, M and Cu are fused at base, hairs on margin are abundant, hairs on veins are few or absent.