PTECTICUS MINIMUS, A NEW SPECIES OF SARGINAE FROM WEST MALAYSIA INCLUDING THE DESCRIPTION OF ITS LARVA AND PUPARIUM (INSECTA, DIPTERA, STRATIOMYIDAE)

Ptecticus minimus, a new species of Stratiomyidae from West Malaysia, is described. Compared with the other species of the genus, it is unus ually small and virtually lacks the characteristic inner projection of the 2nd antennal segment. Also its wing microtrichia are conspicuousl y long and the male genitalia are very specific. The larvae of the new species were found in the wall of decaying bamboo shoots of Gigantoch loa scortechinii Gamble. They are characterized by the cylindrically e longated maxillary part of the mandibular-maxillary complex. The pupar ium shows unusually protuberant postocular lobes on the head capsule. The generic characters an briefly discussed on the ground of the detai led description of the new species.