Obrium maculatum Classification Family Cerambycidae > Subfamily Cerambycinae > Tribe Obriini > Genus Obrium Diagnostic Features of Larvae Larva. In general as in O. rufulum, but differing in having a less elongate form and shorter body hairs; genal bristles fine, whitish; ocellus rather indistinct; process of palpifer as long or longer than entire palpus; gula longitudinally striate; posterior area of pronotum raised, extending forward in the middle, faintly and sparsely striate; dorsal ampullae projecting, marked by a single transverse fold (in O. rufulum two folds are present). Adapted from Craighead (1923). Biology and Economic Importance Members of this tribe are known from various host plant families. Species of this tribe are potentially invasive outside their native range. Selected References to Larvae Specimens Craighead, 1923