OCR Text |
Show 1906.] COLEOPTERA OF T H E GENUS SCIOBIUS. 263 broader and subtruncate, the sides linear ; upper surface slightly convex, evenly set with low, rather distant granules and without lateral impressions; colour piceous, granules bare, the interstices with thin yellowish pubescence which is denser laterally. Elytra pyriform, slightly emarginate at base, which is a little broader than the prothorax, the humeral angles obtuse, sides strongly rounded, broadest well behind middle; upper surface convex, the stria? containing rows of shallow punctures separated by small granules, the intervals almost plane, subequal in width on the disk, finely coriaceous and with traces of depressed obsolescent granules, especially near apex; colour piceous, with thin minute grey scaling which is denser and yellowish along the inflexed margins. Legs ferruginous, with thin grey pubescence, the anterior tibia? only slightly curved. T Y P E in the British Museum. N A T A L : Lower Tugela (E. Reynolds-Brit. Mus.). Founded on two specimens of uncertain sex. In general facies this insect is like an elongated bistrigicollis, but the very broad and carinate scape will at once distinguish it from all its congeners. *25. SCIOBIUS PERINGUEYI, sp. nov. (Plate XVIII. fig. 11.) Lonff. 8^, lat. 24- m m. Head moderately transverse, slightly convex, finely coriaceous, with fine pale scaling which is denser round the eyes; forehead shallowly depressed in middle; eyes slightly prominent. Rostrum longer than broad, its basal margin sharply angulate, sides sub-parallel to near apex, gena? rounded and slightly dilated ; upper surface plane, coriaceous, finely tricarinate, the outer carina? straight and parallel. Antennce moderately long and slender, piceous, with dense fine grey pubescence; scape not compressed, but strongly curved about middle and subclavate beyond the curve; funicle with the first and third joints subequal. Prothorax rather broader than long, truncate at base and apex, the latter being a little narrower, sides slightly rounded, broadest about middle ; upper surface convex, set with rather distant depressed granules and without any impressions ; colour piceous, with thin grey scaling dorsally and with dense yellow scaling laterally and beneath. Elytra ovate, truncate at base, subacuminate apically, a little broader than the prothorax at the shoulders, which are subrectangular and slightly prominent, sides moderately rounded, broadest rather before middle ; upper surface convexand gradually declivous behind, with broad stria? containing rows of large shallow punctures separated by small granules and disappearing on the declivity; the intervals of equal width, narrow, slightly convex and coarsely coriaceous but without any distinct granulation; colour piceous, with fine yellow scaling, which is thin dorsally, except round the scutellum, but forms a broad and dense lateral stripe which emits inwardly an oblique pointed band nearly reaching the suture at the summit of the declivity. Legs |