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Show 232 MR. F. P. PASCOE ON THE COLEOPTERA OF PENANG. [May 8, Covered above with a short dense reddish-grey pubescence varied or marbled with brown ; head minutely punctured, the mesial line extending to the lip ; prothorax transverse, rounded at the sides, rather finely punctured; scutellum rounded behind ; elytra broader behind the middle, the punctures larger than those on the prothorax, and very irregular, the brown mottling the whole of the elytra in a very indefinite manner, but forming posteriorly an oblique zigzag line, anterior to which, but behind the middle, is a large brown well-marked spot; body beneath dark chestnut, the sides of the abdomen densely clothed with a rich-reddish-brown pile ; legs covered with a delicate rosy pubescence, banded with dark brown, the two basal joints of the tarsi entirely rosy, the third and fourth varied with brown; antennae longer than the body, also with a short rosy pubescence, the four basal joints spotted, and at their tips, as well as the tips of the remainder, ringed with brown. Length 7 lines. Not to be distinguished generically, as it appears to me, from the Mesosa curculionoides of Europe. It is a very distinct species from the M. perplexa of China. CACTA. Cacia, Newman, Entom. p. 290 (1842). Corethrophora, Blanchard, Voy. au Pole Sud, t. 4. p. 301 (1843). CACIA INCULTA, Pascoe, Trans. Ent. Soc. ser. 2. iv. p. 102. Mr. Wallace took this species in Singapore and Sarawak. CACIA MELANOPSIS. (PI. XXVI. fig. 4.) C. fusco-grisea, nigro et albo variegata; capite antice glabro, nigro; prothorace transversim corrugato ; tarsis cinereis, atro marginatis. Dark brown, the pubescence brownish grey mingled with spots and patches of dark brown and white; head glabrous in front (from abrasion ?), black, finely punctured, a patch of whitish pubescence under the eye ; prothorax transverse, scarcely broader than the head, finely corrugated, the pubescence very slight and mostly brownish grey; scutellum small, rounded posteriorly; elytra with a slightly elevated granular line on each side at the base, the punctures very small and partly concealed by the pubescence, behind the middle a series of white spots forming an indefinite band, nearer the apex a similar band but narrower, the rest greyish, with dark spots; body beneath and legs with a slight greyish pile ; the knees and ends of the tibiae black ; tarsi ashy, bordered with black ; antennse ( $ ) as long as the body, black, the third and fourth joints (except at the tips and their tufts) ashy, scape nearly glabrous, finely punctured. Length 8 lines. A fine and very distinct species. CACIA PISTOR. C. albescens, fusco maculata ; capite prothoraceque aibescentibus, hoc haud corrugato; tarsis cinereis, nigro marginatis. |
