Molorchus minor Classification Family Cerambycidae > Subfamily Cerambycinae > Tribe Molorchini > Genus Molorchus Diagnostic Features of Larvae Mature larva. This larva closely resembles that of M. umbellatarum. Pupa. Very similar to that of M. umbellatarum, from which it differs as follows. Length up to 11 mm. Head with front usually with two groups of two fine setae. Abdomen with seventh tergite with six anteriorly directed spines; each spine proportionately smaller and thorn-like. Eighth tergite with two or more spines (as well as setae), which are much smaller than those on seventh tergite. Adapted from Duffy (1953). 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 Duffy, 1953