[185] HYMENOPTERA 



basal two thirds, apex of hind tibiae and their tarsi, which are black or 

 fuscous, pale ferruginous ; palpi and tegulae yellowish-white ; abdomen, 

 except sutures 2 and 3 and most of second segment which are red, 

 black. The head is quadrate, the temples broad. Antennae 23- 

 jointed, black, except a pale annulus at base of third joint, the third 

 and fourth joints about equal in length or very nearly, about thrice as 

 long as thick, the following joints to the last very gradually shorten- 

 ing, the penultimate being only a little longer than thick, the last fusi- 

 form, about as long as the two preceding united. Wings hyaline, the 

 stigma and veins brown, the areolet pentagonal, receiving the second 

 recurrent nervure very near its middle or only a little beyond it, the 

 submedian cell a little longer than the median. The metathorax is 

 finely wrinkled and completely areolated with the areola pentagonal, 

 longer than wide. Abdomen elongate, smooth and polished, except 

 the petiole which is finely coriaceous, with some irregular longitudinal 

 raised lines and with two delicate dorsal carinae that become obsolete 

 beyond the spiracles just before attaining the apex of the segment. 



Type. Cat. No. 4042, U. S. Nat. Museum. From Pribilof 

 Islands (Fur Seal Commission). 



Genus Hedylus Forster. 



HEDYLUS CRASSICORNIS Ashmead. 



Hedylus crassicornis ASHMEAD, Fur Seals and Fur Seal Isl., Pt. iv, p. 339, 

 ?, 1899- 



Type. Cat. No. 4043, U. S. Nat. Museum. From Bering Island 

 (Mr. Barrett-Hamilton). 



HEDYLUS sp. 



Belkofski. One badly broken female specimen, not in a condition 

 for describing. 



Genus Bachia Forster. 



BACHIA NIGRA Ashmead. 

 Bachia nigra ASHMEAD, Fur Seals and Fur Seal Isl., Pt. iv, p. 340, ?, 1899. 



Type. Cat. No. 4044, U. S. Nat. Museum. From St. Paul 

 Island (Fur Seal Commission) ; Bering Island, July, 1897 (Mr. Bar- 

 rett-Hamilton) . 



