No. 22.] HYMENOPTERA OF CONNECTICUT. 273 



as follows : antennae blackish only toward the tip ; first 

 abdominal segment and upper part of second nearly to its apex, 

 black, hind tarsi blackish. Male with the ultimate and penulti- 

 darkest toward end; legs with more of black at base, fore coxae 

 black, hind tarsi blackish. Male with the ultimate and penulti- 

 mate abdominal segments black, and the fore and mid legs en- 

 tirely or mostly yellow . 

 *C. argentea (Norton). 



Female: length i6 mm.; black, with abdomen rufous except 

 at base; flagel of antennae dark piceous, basal joint yellow be- 

 neath (in some cases blackish or black) ; lower half of face and 

 most of thorax covered with silvery white hair; mandibles, ex- 

 cept tips, palpi and tegulae, yellow; second abdominal segment 

 above and sheaths of ovipositor black, rest of abdomen rufous, 

 more or less mottled with black, second segment beneath yellow 

 or yellow-rufous; hind tibiae and spines and the fore and mid 

 legs yellow except a line on the fore femora in front, the mid 

 coxae and two-thirds of the femora, which, together with the hind 

 legs, are black ; wings smoky hyaline. 



Paracanidia Viereck. 

 *P. elyi Viereck. 

 This is a slender black species with the abdomen partly red- 

 dish and the antennae annulated with pale yellow. 

 Type locaHty : East River, July, 1910 (C. R. Ely). 



Ceratogastra Ashmead. » 



Ceratosoma Cresson. 

 C. fasciata Cresson. 



Length 12 mm.; blackish; face, cheeks, mandibles, and palpi 

 mostly yellow ; antennae pale to dark brown ; tegulae, a spot on 

 each side of the dorsulum, a mark on the mesopleurae, tubercles, 

 scutel, postscutel, a mark on the propodeum, a mark on the 

 metapleurae, and a stripe on the middle and hind coxae, more or 

 less yellow ; coxae mostly brown ; rest of legs mostly yellow, tinted 

 with brown, except the hind femora and apical half of hind 

 tibiae, which are mostly brown ; wings brownish, with a yellowish 

 tint, stigma and costa yellowish brown, veins brown, fore wings 

 18 



