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Show 388 MR. H. *w. BATES ON N E W COLEOPTEROUS [June 18, CHALCOTHEA (PLECTRONE) VIRIDIPES. P. auripedi quoad formam simillima. Supra cum antennis et palpis saturate viridis submetallica, subtus pedibusque subeeneo-viridis: clypeo profunde fisso, capite utrinque marginato et punctato : thorace lateribus punctatis et marginatis ante medium perparum angulatis deinde usque ad angulos posticos acutis fere rectis, medio cum scutello et elytrorum sutura late depresso: elytris prope marginem et apicem punctulatis sub callo apicali strigulosis. Processus mesosternalis cequilaterali-triangularis. 4 3 . Tibice anticce graciles,extus inermes ; posticee intus longe ante medium lobum e/ongatum tenuem apice triangulariter spathu-latum emit lent es. Ventris segmentum apicale apice medio emarginatum. Pygidium transversim striatulum, apice convexum et medio sulcatum. 2 . Tibice anticce Icitce, tridentatee ; postice inermes, calcari interiore elongato apice emarginato. Ventris segmentum apicale semicirculare, toto transversim striolatum. Pygidium striatum, apice parum convexum, eequale. Long. 34 millim. This species is similar in colour to Clerota brama (Gestro), to which I should have been inclined to refer it, if the mesosternal process had not been so different in form. In C. brama it is prolonged (as figured in ** Midden-Sumatra,' iv. 6, pi. ii. fig. bb) into an acute point; in C. viridipes it forms a rather short subequilateral triangle. The hind legs and tarsi, judging from the figure, are also much shorter in C. brama than in G. viridipes. CHALCOTHEA (PLECTRONE) SPATHULIFERA. Prcecedentibus differt thorace scutello basique elytrorum parum depressis his post medium planis: supra saturate cenescenti-viridis, antennis et palpis castaneo-cupreis clava obscura, corpore subtus femoribusque cupreo-uuratis, tibiis, tarsis clypeoque apice igneo-cupreis; supra toto sat dense punctata, elytris basi sparsius et seriatim, lateribus et apice confluenter et rugose, punctatis, interstitiis subtilissime punctatis. Oculi magni et prominentes, capite ante oculos angusto antice dilatato, clypeo triangulariter emarginato lobisque minus acuminatis, toto crebre punctato carinisque submarginalibus angustis. Thorax angustior longe ante medium subangulato, deinde postice margine usque ad angulos posticos acutos valde sinuato : scutello leevi: elytris disco utrinque vix convexis. Subtus et pedes sat dense punctata, medio fere leevis. Pygidium dense transversim rugulatum. Processus mesosternalis mediocris, apice obtuse acuminatus. 3 . Tibice anticce extus inermes, intermedice intus valde sinuatee apiceque dilatatce, posticee intus longe ante medium lobo longis-simo tenui apice spathuliformi (ovato) armatis : venter disperse punctulatus parum depressus, segmento apicali apice valde et late sinuato. Pygidium apice breviter bilobatum. 2 . Tibice anticce tridentatee, intermedice rectee ca/caribus acutis, posticee rectee calcari interiore elongato, apice emarginato. |