| OCR Text |
Show 432 MR. MARTIN JACOBY ON NEW SPECIES [Nov. 28, Elytra blue or black, without markings. O ed io n y ch is subcostata, sp. n . Metallic blue, the bead and thorax reddish-fulvous, the latter finely punctate ; elytra dark blue, rather opaque, closely and strongly rugose-punctate, with a single, very obsolete costa near the sides. Length 7 millim. Head impunctate, reddish-fulvous ; frontal elevations strongly raised, transverse, carina linear, very convex ; antenna: with the lower two joints fulvous, the following four black, the rest wanting, third joint shorter than the fourth ; thorax transversely convex, about twice as broad as long, the sides broadly flattened, rounded in front, the anterior angles produced outwards into a small tooth, the disc with a rather distinct transverse groove near the base, minutely punctured when seen under a strong lens; scutellum black; elytra dark blue, rugosely punctured throughout, a slightly raised narrow line extends from within the shoulders to below the middle; under side and legs dark metallic blue, smooth and shining. Hab. Brazil. O e d io n y ch is m o t s ch u l sk y i , sp. n. Head at the vertex, the antennae (the apical joints excepted), the under side, and the tibiae and tarsi black; thorax and femora flavous ; elytra metallic violaceous, finely and closely punctured. Length 5 millim. Head e tirely impunctate, black, shining; the eyes widely separated ; frontal elevations transverse, very strongly raised ; clypeus triangular, flavous as well as the labrum ; antennae slender, extending to the middle of the elytra, black, the apical three joints fulvous, third and fourth joints equal ; thorax nearly three times broader than long, flavous, the sides rounded, deeply sulcate, the anterior angles very slightly produced outwards into a blunt tooth, the surface entirely impunctate, obsoletely transversely sulcate near the base ; scutellum black ; elytra with a feeble impression below the base, convex, nearly parallel, very narrowly margined, finely and very closely punctured, metallic violaceous blue; legs flavous, the breast, abdomen, the apex of the posterior femora, and the tibiae and tarsi black. Hab. Peru. The colour of the head, antennae, and legs, and the rather narrow parallel shape of this species separate it from those of nearly similar coloration. O ed io n y ch is in d ig o som a , sp. n. Head and thorax fulvous, nearly impunctate; elytra dark blue, closely and strongly semirugose punctate; below and the legs bluish black. * Length 7 millim. |
