Opsimus quadrilineatus Classification Family Cerambycidae > Subfamily Cerambycinae > Tribe Opsimini > Genus Opsimus Diagnostic Features of Larvae Larva. Form subquadrate, elongate, slightly tapering; integument thin, white, shining; sparsely covered with fine lemon-yellow hair. Head transverse, gradually widening behind, narrowest in front, exposed surface brown, chitinized excepting hypostoma; clypeus and labrum thin, latter twice as wide as long; mandibles entirely black, shining; antennae very short, retractile, conical, first and second joints broad, second bearing at extremity a longer third and a shorter supplementary joint; ocelli one, white, beadlike, not touching antennae; gena very hairy. Ventral mouth-parts fused to entire width of hypostoma; maxillary palpi two-jointed, last slender, twice as long as second, equal to last labial; lacinia thin, lanceolate, hairy, fringed on inner margin; ligula small, orbicular; gula not distinct. Prothorax slightly depressed; pronotum rectangular, posteriorly dull, finely granulate, anteriorly hairy; lateral sutures complete, no median suture, eusternum triangular, dull; sternellar fold not distinct. Legless. Ampullae dull, not definitely marked, the first three pairs flat, the fourth, fifth and sixth projecting and somewhat bilobed as in Atimia. Spiracles distinct, chitinous-rimmed, thoracic oval, abdominal orbicular. 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