Alcidodes crassus

Lyal, C. H. C. & Curran, L. M., 2000, Seed-feeding beetles of the weevil tribe Mecysolobini (Insecta: Coleoptera: Curculionidae) developing in seeds of trees in the Dipterocarpaceae, Journal of Natural History 34 (9), pp. 1743-1847 : 1772

Alcidodes crassus group

Rostrum lacking ventral submental tooth in male. Antennal funicle segment 7 subequal in length to segments 6 1 5, incorporated into club (®gure 8). Pronotum covered with numerous rounded granules (®gure 56). Underside of fore femur with large truncated preapical tooth demarcated by strongly microsculptured surface, distal margin of tooth sloping and serrate, proximal margin of tooth straight, with no teeth or projections on femur prior to proximal margin of single tooth (®gures 1, 127); preapical tooth on middle femur of similar size and form to that on fore femur. Fore tibia with ventral tooth in basal half, middle and hind tibiae with or without such a tooth; mucro and pre-mucro present, pre-mucro larger in female than male (®gures 9, 10). Metasternum strongly and obliquely produced posteriad before posterior margin on either side of midline in front of hind coxae, with its ventral margin in pro®le strongly diverging from adjacent elytral margin (®gure 12). Male ventrite 5 with tuft of scales on either side of midline near posterior margin, often projecting over margin; generally lacking clear median depression. Parameres with common base (®gure 224). Gland lobe of spermatheca not bulbous. Body length 4±16 mm. Known only from the Oriental Region, from India to the Philippines. The species in the group are crassus , hoplomachus , ramezei , curranae , themus , humeralis , toyi , walliorum , confusus and fugitus .