OCR Text |
Show 1887.] PHYTOPHAGOUS COLEOPTERA OF CEYLON. 117 length to the second, hut the fourth joint, as in the male, is the longest, and the elytra are coarsely punctured ; the general size is also larger and more robust. Dikoya. NEOCHROLEA (gen. nov. Galerucinae). Body oblong. Head longer than broad, the front excavated above and below the antennse ; the latter as long as the body, filiform, the second joint very small, the third the longest, thickened and emarginate below. Palpi thickened at tbe penultimate joint. Thorax transversely subquadrate, the disk obsoletely depressed. Elytra scarcely visibly punctured, their epipleurae continued below the middle. Tibise mucronate. The first joint of the posterior tarsi a long as the two following joints together. Claws appendiculate Anterior coxal cavities closed. Neochrolea seems allied to the genus Macrima, Baly, with which it agrees in the closed coxal cavities and the mucronate tibiae ; it differs in the long third joint of the antennae and in the less transverse thorax, also in the shorter first joint of the posterior tarsi. The only specimen before m e is evidently a male; and it is probable that the female wants the deep excavations of the head, as is often the case in similar structures in the sexes in other genera. AEnidea, Baly, differs in the unarmed tibise. NEOCHROLEA CAVTFRONS, sp. nov. (Plate XI. fig. 4.) Entirely testaceous ; third joint of the antennse emarginate below ; head with a deep excavation; thorax nearly impunctate, the disk obsoletely depressed ; elytra extremely finely and closely punctured. Length 4 lines Head longer than broad, impunctate, the space below the antennae deeply excavated, the lower margin of this excavation forming a triangular and pointed flattened projection ; the lower part ot the face again deeply excavated ; the anterior margin of the clypeus produced into two long points; the extreme apices of the jaws black ; palpi thickened at the penultimate joint. Antennse slightly longer than the body, fulvous, the second joint extremely short; the third elongate, thickened, and hollowed out at the lower margin ; the following joints of half the length, equal. Thorax one half broader than long, narrowed towards the base, the sides very little rounded before the middle ; the surface with a small depression at the middle of the disk, scarcely visibly punctured. Elytra rather convex, without basal depression, not more distinctly punctured than the thorax, testaceous like the rest of the insect. Balangoda. HAPLOTIA (gen. nov. Galerucinse). Narrowly elongate. Antennae slender, filiform, all the joints with the exception of the second of nearly equal length ; palpi with the penultimate joint thickened. Thorax square-shaped, obsoletely mpressed, rugose. Elytra closely rugose ( d ), or simply punctured |