. Coleoptera : general introduction and Cicindelidae and Paussidae. 277. Rhysodes aterrimus, Chevr. Rhysodes aterrimus, Chevrolat, Ann. Soc. Ent. France (5) iii, 1873,p. 209. Rhysodes armatus, Arrow, Ann. Mag. Nat. Hist. (7) vii, 1901, p. 85. Pitchy black, rather dull, cylindrical;Itead produced behind the eyes, posteriorlobes twice approximating on the vertex,anterior elevated space short, constrictedin the middle ; at the back of the head isa small punctiform fovea which is distantfrom the central raised space ; prothoraxlong, with the sides almost straight, the disctrisulcate, with the exte
. Coleoptera : general introduction and Cicindelidae and Paussidae. 277. Rhysodes aterrimus, Chevr. Rhysodes aterrimus, Chevrolat, Ann. Soc. Ent. France (5) iii, 1873,p. 209. Rhysodes armatus, Arrow, Ann. Mag. Nat. Hist. (7) vii, 1901, p. 85. Pitchy black, rather dull, cylindrical;Itead produced behind the eyes, posteriorlobes twice approximating on the vertex,anterior elevated space short, constrictedin the middle ; at the back of the head isa small punctiform fovea which is distantfrom the central raised space ; prothoraxlong, with the sides almost straight, the disctrisulcate, with the external sulci broad andwith four almost parallel carina?, the twocentral ones nearly or actually meeting infront and behind ; elytra with broad punc-tured striae; smooth parts of the headand prothorax punctured, underside verycoarsely punctured; anterior tibiae biden-tate at apex, with a third tooth in theFig. 233. centre.—Male with the anterior tibiae fur- Bhysodes aterrimus. nished with a fourth tooth a little behind. 506 the middle, the anterior femora dentate in the middle, and theintermediate and posterior tibiae furnished with a bispinose plateat the apex. Length 7^-9 millim. Andaman and Nicobar Islands ; Malacca : Penang. Type of R. armatus in the British Museum. The male characters and the sculpture of the head will serve todistinguish this insect from all the other Indian species. Thetwo most nearly allied species are R. strains, Newm. (from theMalay Archipelago) and R. crassiusculus, Lewis (from Japan),both of which resemble R. aterrimus in the sculpture of the headand the armature of the male. 278. Rhysodes taprobanae, Fairm. Rhysodes taprobance, Fairmaire, Ann. Soc. Ent France (5) hi, 1873,p. 389. ? Rhysodes punctatostriatus, Mots., Bull. Moscou, ii, 1866, p. 400. Elongate, shining, pitchy black; head narrowed before theeyes, with two deep furrows which meet in a curve behind;. antennae with the joints transverse, the lastones being pilose; prothorax som
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