43 



1. Neogonatopiis oinhrodcs, sp. nov. 



Black, the vertex of the head, and the pronotum (more or less) 

 often piceous or brown; face and occiput yellow or ferruginous; 

 basal two, and sometimes the third joint of the antennae more 

 or less, pale; legs pale yellowish brown or testaceous, in parts 

 often dark brown, variable in colour. 



Head rather long, very much longer than half its width, and 

 owing to a verv minute puncturation or surface sculpture little, 

 or npt at all, shining; third joint of antennae long and slender, 

 twice as long as the second. Pronotum with close and very fine 

 punctures or surface sculpture ; propodeum dull and very densely 

 sculptured, appearing punctate, but probably with dense micros- 

 copical reticulate sculpture of the surface, which is hairless, or 

 almost on. Abdomen smooth, shining, glabrous, no longish hairs 

 basallv. Length 3-3.5 mm. 



Hab. Columbus, Ohio, U. S. A. (Koebele). 



2. Ncogonatopus cryfhrodcs, sp. nov. 



Ferruginous, the propodeum black, the abdomen probably 

 black when the insect first emerges, but becoming testaceous 

 more or less sufTused with black or brown, as it grows older; head 

 above more or less dark, the antennae black, with the three basal 

 joints pale. All the legs yellowish-brown, or testaceous. 



Head above somewhat shining, not nearly twice as wide as 

 long; pronotum shining and with a very fine indefinite punctura- 

 tion; propodeum dull, having the same dense sculpture as in the 

 preceding species, but with the whole of the posterior face dis- 

 tinctly transversely rugose, and bearing scanty but distinct, erect 

 hairs. Abdomen smooth, shining, shortly pilose. Length about 

 3 mm. 



Hab. Columbus, Ohio. U. S. A. (Koebele). 



3. Neogonatopiis obsciwrissiinus, sp. nov. 



Black, in parts (especially the pronotum. mesonotum and some 

 of the leg joints) dark brown or piceous. Basal two and more or 

 less of the third joint of the antennae, as well as all the tarsi, and 

 more or less of the hind tibiae and femora, pale, yellowish or 

 testaceous. 



Head shining and with a sparse fringe of hairs posteriorly; pro- 

 notum smooth and shining, hardly perceptibly sculptured; pro- 



