Sitophilus linearis (Herbst, 1795), (Coleoptera: Curculionidae) newly reported on tamarind seeds in Sri Lanka

The tamarind weevil, Sitophilus linearis , belonging to the subtribe Litosomina (Curculionidae: Dryophthorinae, Rhynchophorini), is recorded for the first time in Sri Lanka. With this addition, the number of known Sitophilus species in Sri Lanka increases to four. Among the known regional species, S. linearis (Herbst) is easily distinguishable by its contiguous antennal scrobes, with the anterior margin of eyes and snout not arched over antennal insertion. Their morphological diagnosis, adult illustrations, and morphometric analysis are presented.