Simulium (Gomphostilbid) hoiseni sp. nov. (Diptera: Simuliidae) : a new species from Peninsular Malaysia

Abstract

A new simuliid species, Simulium (Gomphostilbia) hoiseni sp. nov., is described on the basis of the male reared from a pupa collected from Cameron Highlands, Peninsular Malaysia. This new species is assigned to the ceylonicum species-group of the subgenus Gomphostilbia. It is characterized in the male by the abdominal segments 2-9 each with a pair of shiny patches dorsolaterally as well as the enlarged hind basitarsus, and in the pupa by six gill filaments of which the middle and ventral groups of filaments share a common stalk.