Trogoderma halsteadi sp. nov is described from Dehradun (Uttar Pradesh), India where it was found infesting mulberry silkworm cocoons. The description is fully illustrated and includes the larval stage. The species is characterized by the antennal club which is 8-segmented and pectinate in the male and 5- to 6-segmented and symmetrical in the female, and the lack of discal oblique striae on the metasternum and first abdominal sternite. Mature larvae have antennal segment ill with the proximal sensory pore at the basal third and segment I (basal) with 8 nudisetae and one spiciseta arranged around two thirds of the base of this segment. |