Chelonus formosanus Sonan

Hymenoptera: Braconidae: Cheloninae

Dorsal side more or less completely black, anterior third of metasoma (abdomen) with a pair of whitish, transverse spots on lateral sides. Fore wing without (Rs+M)a, first submarginal and first discal cells forming a single large confluent cell. Eyes with conspicuous, dense hairs visible at low magnification. Metasoma composed of a single large plate forming a carapace or shield formed by the fusion of the first three metasomal tergites, convex and sculptured.

   Thorax (left) and wings (right)

 Adult of C. formosanus

Native of the Oriental region. Distributed in India, Taiwan.

Chelonus formosanus is a parthenogenetic egg-larval parasitoid of Spodoptera litura (F.) on cotton and other host plants.