OCR Text |
Show 16 MR. <!. A. K. M A R S H A L L ON COLEOPTERA [Jan. 19, In flexed margins of elytra markedly differentiated from the dorsal part, the intervals being plane and almost devoid of scaling or granulation. All granules or tubercles on elytra with short pale depressed seta;. The two basal joints of funicle subequal. Upper surface of rostrum almost plane, the central furrow narrow and vanishing before middle. 29. H. sparsus Mshl. Upper surface of rostrum distinctly sulfate, the central furrow strong and complete 28. S. deceptor Mshl. First joint of the funicle longer than second. 26. H. lacunosus Gyl. Tubercles on intervals 1, 3, and 5 with very long erect black sette 27. H. crimger Mshl. Scales on elytra very elongate, hair-like. Intervals on elytra rugose, the granulation indistinct except near the sides ; prothorax much less transverse 30. H. suturalis, sp. nov. Intervals on elytra distinctly granulate throughout; prothorax very transverse, its sides very strongly-rounded 31. H . grawidatw Gyl. Rostrum very short, only a little longer than the head 32. H. granulosus Thunb. Rostrum either continuous with head, or with its base raised above it, but never separated by a deep transverse dorsal incision. Scape of antennae not exceeding anterior margin of eye. Rostrum without a basal tubercle. Lateral sulci on rostrum not uniting at base. Sides of prothorax with a distinct spine. Rostrum separated from eye by a deep lateral furrow ; size large. Rostrum with only one lateral sulcus above scrnbe. Upper surface of rostrum with a deep central furrow ; anteocular furrows not approaching above. Elytra with rows of large subreticulate foveas; the intervals narrow 33. S. aurivilii Per. Elytra with rows of small granules instead of punctures; the intervals broad 34. H . secel-us Gyl. Upper surface of rostrum plane or slightly convex : anteocular furrows strongly convergent above. 35. M. variegatus, sp. nov. Rostrum with two lateral sulci above scrobc. Row of tubercles on interval 2 of elytra complete. Sides of prothorax strongly dilated and with a stout tuberculated spine 36. H. pihitarius F. Sides of prothorax scarcely dilated and with a short simple spine. Inferior basal furrow on rostrum distinct. 37. H.fnrvus Eahr. Inferior basal furrow on rostrum absent. 38. H. tenuegranosus Fairm. Row of tubercles on interval 2 of elytra extending only from beyond middle to apex. Dorsal part of elytral declivity strongly compressed laterally; 4th abdominal segment in $ with four sharp projections along its posterior edge. 40. H. abvuptecostatus Gyl. Dorsal part of elytral declivity not compressed ; posterior edge of 4th abdominal segment simple in both sexes 39. II. spectrum ¥. Rostrum not separated from eye by a furrow ; size .small 4,1. H. spmifer Gyl. Sides of prothorax never with a distinct spine, usually ' rounded but sometimes angulated. Elytra with a large boss-like tubercle at base of interval 5. Prothorax without defined smooth lateral spaces. |