1. Ctenoplectra chalybea HNS.
C. capite thoraceque nigris, abdomineque chalybeo, pedibus posterioribus dense pilosis.
Female. Length 6 lines. Head and thorax black: the head closely punctured; the clypeus shining, the punctures more scattered, and with a slight carina in the middle of its base; the scape in front, and the flagellum beneath, rufo-piceous; the mandibles ferruginous at their apex. Thorax opake-black: the metathorax smooth and shining in the middle of its base, the sides covered with sooty-black pubescence; wings fuscous, palest at their apical margins; the posterior tibiae and basal joint of the tarsi densely covered with long black pubescence, the inner pectinated calcar pale testaceous-yellow. Abdomen: steel-blue above, black beneath.
Hab. Malacca (Mount Ophir).