Review of the Haliplidae of Madagascar, with descriptions of two new species (Coleoptera)

Abstract

The Haliplidae of Madagascar are reviewed. Six species are known, including two species described here as new: Haliplus gamma sp. n. and Haliplus madagascariensis sp. n. Haliplus aspilus Guignot, 1957 is established as junior synonym of Haliplus incrassatus Régimbart, 1900. A lectotype is designated for Haliplus alluaudi Régimbart, 1903. Haliplus insularis Guignot, 1960 is redescribed. A key to the species of Madagascar is included. Some ecosystem conservation issues related to the occurrence of Haliplidae on Madagascar are discussed.