Trachyderes mandibularis Classification Family Cerambycidae > Subfamily Cerambycinae > Tribe Trachyderini > Genus Trachyderes Diagnostic Features of Larvae Larva. Form robust, cylindrical, then slightly compressed posteriorly; sparsely hairy; epistoma suddenly emarginate behind clypeus; labrum broadly oval to sub-orbicular, hairy; antenna; joints subequal; mandible with a sulcus on outer face; joints of palpi subequal; process of palpifer very distinct; anterior margin of hypostoma swollen, bearing four more or less distinct tubercles. Pronotum posteriorly coarsely striate, the striae somewhat pinnately arranged behind: tergal plates prominent, lateral absent; presternal plates square, widely separated; eusternal glabrous spots triangular; ampullae strongly alutaceous, shining, posterior ventral ones somewhat divided and between the lobes longitudinally wrinkled. Spiracles narrowly oval, peritreme thin. Adapted from Craighead (1923). Biology and Economic Importance Biology unknown for members of this tribe. Species of this tribe are potentially invasive outside their native range. Selected References to Larvae Specimens Craighead, 1923