Abstract
Recently, the author described two species of the genus Hoplosaenidea Laboissiere, 1933 (Coleoptera: Chrysomelidae: Galerucinae) where the male having a peculiar secondary sexual characters: clypeus excavated, furnished with projections, and the antennal first segment large, broadened, excavated and spined at apex. The two species are H. takizawai Mohamedsaid, 2001 (Fig. 5) and H. singaporensis Mohamedsaid, 2002 (Fig. 6) described from Bali and Singapore, respectively. The presence of secondary sexual characters in males is most prevalent in the chrysomelid beetles of the subfamily Galerucinae (Mohamedsaid 2004b).
References
Mohamedsaid, M.S. (2004a) Catalogue of the Malaysian Chrysomelidae (Insecta: Coleoptera). Pensoft Series Faunistica No. 36. Pensfot, Sofia-Moscow.
Mohamedsaid, M.S. (2004b) Modified antennae of Malaysian Galerucinae and its taxonomic significance. In: P. Jolivet, J. A. Santiago-Blay & M. Schmitt (eds), New Developments in the Biology of Chrysomelidae. Academic Publishing, The Hague. Pp. 231–247.