OCR Text |
Show 204 MR. M. JACOBY ON PHYTOPHAGOUS COLEOPTERA [Mar. 6, posterior femora excepted) black; thorax impunctate ; elytra metallic dark blue, strongly and closely punctate-striate, the ninth row entire. Length 7 millim. Head bluish black, the neck rufous, the vertex impunctate; the eyes very deeply notched ; antennae extending to the middle of the elytra, black, the third and following joints elongate and slender ; thorax not longer than broad, deeply constricted at the sides, the anterior angles with a distinct tubercle, tbe basal sulcation dee}) and placed nearly at the middle, the surface impunctate, the portion below the sulcus obsoletely grooved and likewise impunctate; scutellum black ; elytra with a distinct depression below the base, very strongly and closely punctate-striate, the interstices strongly costate at the sides and at the apex; legs bluish black, the intermediate femora below and the base of the posterior ones fulvous, the underside of the same colour. Hab. Matadi, Africa. (In the collection of the Belgian Mus. and that of m y own.) Differs from L. rubricollis Lac. in the colour of the legs and that of the underside, from L. sanguinicollis Lac. in the differently structured thorax ; L. rufo-femorata Clark is black below and has rufous femora ; L. affinis CI. differs similarly. LEMA BOMAENSIS, sp. n. Flavous, the terminal joints of the antennae fuscous; thorax sub-cylindrical, sparingly punctured, with some obscure piceous spots: elytra strongly and closely punctate-striate, tbe sutural margin and a broader sublateral stripe, abbreviated posteriorly, blackish. Length 5 millim. Head impunctate, flavous, the vertex sometimes obscure piceous; eyes entire, not notched, supra-ocular grooves shallow; clypeus triangularly raised; labrum piceous; antennae short and robust, the lower joints short, the fifth elongate, terminal joints widened, more or less stained with fuscous; thorax short, subcylindrical strongly constricted at the base, the basal sulcus deep, the disc with some strong, scattered punctures at the sides and at the middle, the latter with some obsolete piceous spots (sometimes absent); scutellum piceous, its apex truncate; elytra parallel, with a very shallow depression below the base, very strongly punctured in closely approached rows, the interstices costate fronii the middle downwards, flavous, the suture very narrowly and a broader stripe from the shoulder to below the middle piceous or black ; below and the legs flavous, the breast darker, covered with very short vellow pubesceuce. Hab. Boma, Congo. (Coll. Belgian Mus. and my own.) A very distinct species, remarkable on account of the entire eyes, shape of the thorax, which is strongly widened in front and the pattern of the elytra. |