Megacyllene falsa Classification Family Cerambycidae > Subfamily Cerambycinae > Tribe Clytini > Genus Megacyllene Diagnostic Features of Larvae Mature larva. Similar to that of M. acuta, but differing by the smooth hypostoma. From M. castanea it differs in having the proeusternum setose medially. Length up to 15 mm; maximum breadth (at prothorax) 5.5 mm. Pupa. Indistinguishable from that of M. castanea. Length up to 16 mm; maximum breadth 4.75 mm. Adapted from Duffy 1960). Biology and Economic Importance Members of this tribe are known from various host plant families and several genera (e.g., Chlorophorus, Xylotrechus) are considered economically important. Species of this tribe are potentially invasive outside their native range. More information is available at the CAPS website. Selected References to Larvae Specimens Duffy, 1960