Journal of the Straits Branch of the Royal Asiatic Society/Volume 42/A New Species of Chalcis from Borneo
A new species of Chalcis from Borneo.
By P. Cameron.
Chalcis borneanus, sp. nov.
Black; the under side of the scape, the apices of the femora, the base and apex of the tibiæ, the tarsi and the tegalæ whitish-yellow; the hinder femora red, their middle teeth longish and clearly separated; the apex of the scutellum ending in 2 stout, longer than broad, teeth; the wings hyaline, the nervures black. ♀
Length 412 mm.
Hab. Borneo.
Antennæ stout, as long as the thorax; the 3rd joint distinctly longer than the 4th and narrowed at the base. Head closely, but not deeply, punctured, except in the centre of the front; the centre of the face shining and less strongly and closely punctured; the top of the clypeus shining and bearing 6 large fovea. Mandibles rufous behind the teeth. Pro- and mesothorax rather strongly and closely punctured; the pronotum at the base on the sides with a distinct keel. Parapsidal furrows wide, curved. Scutellem more widely punctured than the mesonotum, its apex ending in 2 large, bluntly, rounded, longer than broad, finely rugose teeth. Metanotum irregularly reticulated; the central basal area is larger and longer, is obliquely narrowed at the base and becomes narrowed slightly towards the apex. Propleura rugose; the meso- smooth and shining and with some widly separated striæ at the base. Metapleuræ closely reticulated, abdomen shorter than the thorax, blunty pointed and covered with white pubescence at the apex.