OCR Text |
Show 448 MR. M. JACOBY ON N E W [Mar. 15, anteriorly, first anterior tarsal joint greatly dilated and subquadrate (male?), claws appendiculate. Two specimens of this interesting insect were kindly given to me by Dr. Baden of Altona. Genus COLASPOIDES, Casteln. 18. C O L A S P O I D E S A M A Z O N A , sp. nov. Oblong, convex. Underside, the legs, and antennse fulvous; above bright metallic green, finely punctured. Length 3 lines. Hab. Maue, Amazons. Front of the head swollen, with a fine longitudinal central groove, distinctly but remotely punctate, epistome broader than long, distinctly separated from the face by a deep groove, rugose punctate. Labrum fulvous ; apical joint of the palpi and the jaws black. Antennse extending to one third the length of the body, entirely fulvous. Thorax about three times as broad as long, narrowed in front, the sides much deflexed anteriorly, surface irregularly and remotely covered with larger and finer punctures, which disappear entirely near the anterior margin. Scutellum subtriangular, impunctate. Elytra nearly four times as long as the thorax, narrowed near the apex, convex, rather regularly but finely punctate-striate, the punctures not stronger than those of the thorax. Entire underside and legs fulvous. The colour of the underside will distinguish this species from any other described South-American form. GALERUCIDsE. N E O C H A R I S , n. gen. Elongate, parallel; head elongate, longer than broad, perpendicular ; palpi elongate, subapical joint thickened at the apex; antennse filiform, joint 3 dilated, swollen ; thorax slightly broader than long, surface with two round impressions ; scutellum trigonate, convex; elytra broader than the thorax, impressed below the base, confusedly punctate; legs slender, tibise unarmed, claws appendiculate ; prosternum invisible ; anterior coxal cavities closed. Type Neocharis fulvicollis. The above characters show that this genus must be placed amongst Chapuis' 26th group, the Platyxanthidse, which contains at present four genera. The present one is distinguished by having the third joint of the antennse greatly dilated, probably only in the male sex, this dilatation being transferred in the genus Doridea and Platyxantha to the apical joints. 19. NEOCHARIS FULVICOLLIS, sp. nov. Elongate, parallel. Black below; head, antennse, and thorax fulvous ; elytra finely punctate and obsoletely costate, bluish black ; extreme base, anterior lateral and sutural margins, and two round apical spots, fulvous. |