OCR Text |
Show 2/2 MR. W. L. DISTANT ON [Feb. lo, it differs in the direction of the pronotal angles, taking Herrich- Schaffer's figure as typical. This is the West-African representative of the genus, which, so far as we know at present, appears confined to Africa, and to comprise probably but two species. ASPAVIA GRANDIUSCULA, n. sp. (Plate XXXI. fig. 3.) Head with the apex of the central lobe somewhat prominent, pale ochraceous, with six longitudinal rows of coarse fuscous punctures. Pronotum with the lateral angles acutely produced, and with the apices slightly directed backwards, pale ochraceous, coarsely covered with dark punctures, the anterior and lateral margins and a transverse fascia across disk between humeral angles pale levigate, the last with a few scattered punctures ; apices and fore borders of produced lateral angles black. Scutellum pale ochreous, coarsely and irregularly covered with dark punctures, a large oblong callosity in each basal angle and apex pale levigate, Corium pale ochraceous, disk and inner portion pale castaneous, coarsely and darkly punctate, and with a marginal (excepting base) row of coarse and dense black punctures ; basal margin pale levigate. Membrane obscurely fuscous. Underside of body and legs ochraceous, head beneath and sternum sparingly, lateral pronotal angles very densely covered with black punctures. Abdomen with a central longitudinal castaneous fascia gradually narrowing to apex, between which and margin on each side is a black longitudinal fascia densely punctate. Rostrum reaching posterior coxae, darkly and obscurely streaked, with the apex black. Antennae with the second and third joints pale ochraceous, subequal in length, but shorter than the fourth and fifth, which are also sub-equal, but which (excepting base of fourth) are obscurely fuscous. Long. 10 millims., lat. pronot. ang. 7. Hab. Camaroons (Rutherford). Allied to A. brunnea, Sign.; but, besides the larger size, the pronotal spines are less acute and not directed forwards, the second and third joints of the antennae are subequal in length, the transverse fascia to the pronotum is also different. Fam. COREID.E. A U R I V I L L I A N A , n. gen. Body subdilated. Head subquadrate, cleft between the antenni-ferous tubercles. Rostrum moderately long. Pronotum with the lateral angles produced, the lateral margins strongly denticulated. Scutellum triangular. Abdomen moderately dilated." Anterior and posterior tibiae dilated ; intermediate tibiae a little thickened before apex, or slightly subdilated. Apices of femora and inner margin of posterior tibiae strongly denticulated. Abdominal spiracles transversely rounded, wider than long. This genus differs from Petillia, to which it is closely allied, in the dilated anterior femora and the produced margin of the abdomen ; from Petascelisca it is distinguished by the transverse abdominal spiracles, and the dilated and denticulated pronotum. |