Goes debilis Classification Family Cerambycidae > Subfamily Lamiinae > Tribe Monochamini > Genus Goes Diagnostic Features of Larvae Larva. Resembles Goes pulverulentus, but has still finer and lighter colored body-hairs; the thoracic spiracle is not twice as wide as long and the median oval of the ampullae is little more than twice as wide as long. Pupa. Similar to G. pulverulentus except that the bristles are finer and on labrum and front of head they are less numerous. Adapted from Craighead (1923). Biology and Economic Importance This larva has only been found in the lateral branches, from one-half to one inch in diameter, of oak trees (Quercus). The life cycle normally is completed in two years. Adapted from Craighead (1923). Selected References to Larvae Specimens Craighead, 1923