Xystrocera nigrita Classification Family Cerambycidae > Subfamily Cerambycinae > Tribe Xystrocerini > Genus Xystrocera Diagnostic Features of Larvae Pupa. Length up to 27 mm; breadth 7 mm. Head entirely smooth and glabrous, but with a small conical tubercle alongside base of each antenna. Antenna with segment 1 acutely produced apically; long, extending as far as abdominal segment 3, where they are recurved ventrally to terminate about half-way along and beneath mid femora. Pronotum quadrate; disc depressed and bearing a few scattered pale papillae. Mesonotum and metanotum glabrous. Abdomen with tergites 1-9 glabrous except for a very few scattered pale papillae. Sternites glabrous. Legs with hind femora extending to anterior margin of abdominal segment 5. Functional spiracles present on abdominal segments 1-7; peritreme thin, ferruginous, narrowly oval and slightly raised above general level of cuticle. Adapted from Duffy 1957). Biology and Economic Importance Members of this tribe are native to the Australasian and Afrotropic regions. One species, Xystrocera globosa, has been introduced to several countries. More information on this genus is available at: cabi.org. Selected References to Larvae Specimens Duffy, 1957