Geoparnus rhinoceros sp. nov., a new edaphic dryopid with unusual sexual dimorphism (Coleoptera: Dryopidae)

Abstract

Adults of Geoparnus rhinoceros sp. nov. (Dryopidae) are described from Borneo (Sarawak, Malaysia). The male of the new species possesses a distinct horn-like process on the clypeus, a character, which has so far not been reported from Dryopidae. The type material was collected in primary rain forest by sifting forest floor debris. Analysis of variance of metric characters was performed.