Phymatodes nitidus Classification Family Cerambycidae > Subfamily Cerambycinae > Tribe Callidiini > Genus Phymatodes Diagnostic Features of Larvae Larva. Genal bristles numerous, long; ocelli not distinct, a dark spot beneath chitin; last joint of maxillary palpi slightly longer than penultimate; first and second antennal joints short, little longer than thick, subequal; pronotum posteriorly marked with fine and regularly impressed striae; median suture impressed; ampullae finely granulate; pleural discs distinct on first, second, and third segments; legs three-jointed. Pupa: Unarmed except for several conical chitinous-tipped papillae on sixth abdominal tergum and four on seventh. Adapted from Craighead (1923). Biology and Economic Importance Members of this tribe are known from various host plant families and several species are considered economically important. Species of this tribe are potentially invasive outside their native range. Selected References to Larvae Specimens Craighead, 1923