OCR Text |
Show 1901.] HYMENOPTERA FROM NEW BRITAIN. 247 Abdomen smooth ; the basal two thirds of the basal segment, the greater part of the fifth, the apex and the ventral surface are reddish fulvous. NOMIA (PARANOMIA) PULCHRIBALTEATA, sp. nov. Nigra ; capite, thorace pedibusque dense griseo-hirsutis ; abdominis segmentis virido-marginatis; alis fere hgalinis, stigmate nervisque nigris ; post-scutello spinis duabus armatis. 3 et 2 • Long. 8-9 mm. 2 . Scape of anteunae sparsely covered with pale hair. The vertex and the sides of the face are thickly covered with griseous pubescence; the pubescence on the other parts is much sparser. The lower part of the vertex, the face, aud the clypeus have a distinct keel down the middle ; the face is punctured, except in the centre; the clypeus is closely, irregularly, longitudinally striated : its sides and apex are bordered by distinct keels. The base of the mandibles in the centre is rugose, and bordered above aud below with keels; the apex of the mandibles is oblique. Mesonotum and scutellum closely punctured ; the scutellum is slightly depressed in the middle ; the post-scutellum is armed with two spines, which are stout, straight on the inner side, rounded above on the outer. The basal area of the median segment is longitudinally striated ; the striae are more widely separated in the centre than at the sides. The legs are thickly covered with griseous pubescence; the calcaria are dark rufous; the scopa has white, mixed with longer, black hairs. Abdomen shining; the basal four segments banded with green, mixed with yellow on their apices ; the basal band is narrower than the others ; the segments are closely punctured except at the apex ; the basal is covered with white, the apical segments with longer, black hair ; the ventral segments are thickly covered with white hair. Median segment at apex closely punctured, except for a triangular smooth space at the top. The 3 is similarly coloured; the scutellum has the sides obliquely uarrowed, and ends laterally in a short tooth; tbe scutellar spines are longer and narrower than in the 2 5 the hinder femora are greatly swollen : on the basal part above are two curves, the basal being the shorter and straighter; the tibiae are thickened, and broadly rounded on the outer side, the apex on the inner side is oblique ; the greater part of the tibiae behind, their apex, and the base of the tarsi are fulvous ; the tarsal spines are rufous. NOMIA METALLICA, sp. nov. 3. Long. 7 mm. A species easily known from N. pulchribalteata by its smaller size, by the head and thorax having brassy metallic tints, by the head in front not being keeled, and by the abdomen not being banded with greenish yellow. Antennae black ; the flagellum brownish beneath. Head black, with distinct brassy tints ; thickly covered with griseous pubescence : closely and distinctly punctured, except in the centre of 17* |