Stromatium auratum Classification Family Cerambycidae > Subfamily Cerambycinae > Tribe Hesperophanini > Genus Stromatium Diagnostic Features of Larvae Mature larva. Similar to that of Stromatium barbatum, but differing in at least one fundamental character as follows. Head with posterior margin of submentum produced posteriorly and overlapping front margin of hypostoma; hypostoma broadly tuberculate on each side of produced submentum. Ocellus distinct; lens round, strongly protuberant. Adapted from Duffy (1957). Biology and Economic Importance Members of this tribe are known from various host plant families and at least one genus (Trichoferus) is 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, 1957