Polypore Fungus Beetles (Tetratomidae) - 32 Species, Identification & Facts

Eustrophopsis arizonensis

Identification: "the key character for arizonensis is the rugosity of the proepisterna. The overall shape, however, and color of antennomeres would lead me to think E. ornatus (Van Dyke). If the above mentioned structure is smooth and not rugose, the

Eustrophopsis bicolor

Identification: may be separated from the other Nearctic Eustrophinae based on the following: antennomeres 1–4 rufous, 5–10 piceous to black, 11 yellow-orange; pronotal punctures not larger than diameter of setae; males with oval setiferous pit on ve

Eustrophopsis confinis

Identification: the only Nearctic species of Eustrophinae with a combination of widely separated eyes, and transverse ridges on the outer surface of the meso- and metatibiae quite uncommon

Hallomenus binotatus

An all brown beetle, sometimes paler around the shoulders and pronotum. The legs are also pale brown. Most likely to be encountered in summer and autumn. The larvae are associated with fungi usually bracket fungi. Scattered records from most part

Velvety Bark Beetle

Penthe pimelia

Identification: Looks like a Darkling Beetle: broad, flattened, very dark, in velvety pile; scutellum dark (orange in P. obliquata ) Adults come to lights ; fairly common

Tetratoma desmarestii

This is a rare species in our area and it may be necessary to retain the specimen until confirmed by our County Recorder. Sometimes found on old Oaks and associated fungi. A nocturnal fungus beetle which may be found throughout the year – this is a w

Tetratoma fungorum

Length around 6mm. Antennal club of 4 segments, elytra with scattered punctures but without punctate striae. Although quite distinctively coloured this species is superficially similar to Triplax aenea, another common beetle of Bracket Fungus. Can be