1864.] 300 



inipunctured, the dorsal lines tolerably well impressed ; metathorax iu- 

 distinctly sculptured, the elevated lines obsolete, abruptly truncate be- 

 hind ; tegulaj pale yellowish. Wings subhyaline, tinged with pale 

 fuscous ; nervures and stigma pale fuscous, paler at base ; areolet 5- 

 angular. Legs, with their coxae, rufous, the posterior tibiae dusky at 

 tips. Abdomen subovate, somewhat flattened, about as long as the 

 head and thorax, rufous, shining; base of the 1st and the three apical 

 segments, except a pale yellowish spot on the last segment above, black ; 

 apical half of 1st segment dilated and truncate, the petiole stout; ovi- 

 positor rather more than half the length of the abdomen. Length 3 

 lines ; expanse of wings 5 lines. 



Hab. — Delaware. Dr. Thomas B. Wilson. 



3. Phygadeuon cincticornis, n. sp. 



Black, polished; annulus on antennae and spot on tip of abdomen, yellowish; 

 mouth, legs and three basal segments of abdomen, rufous: wings hyaline; ovi- 

 2)ositor long. 



Female. — Black, polished, slightly pubescent; most of the face, cly- 

 peus, mandibles, except tips, and palpi, dull rufous; antennae about as 

 long as the head and thorax, stout, black, the three basal joints beneath 

 rufous, the 9th to 12th joints pale yellowish, spotted with blackish be- 

 neath, basal joint very robust. Thorax polished, minutely punctured; 

 dorsal lines of mesothorax obsolete ; scutellum flattened, punctured ; 

 metathorax minutely sculptured, the sides pubescent and shining, the 

 elevated lines tolerably well defined, the central area elongate, narrow ; 

 tegulas piceous. Wings hyaline, slightly iridescent; nervures and 

 stigma black, pale at base; areolet 5-angular. Legs, with their coxae, 

 entirely rufous. Abdomen elongate, polished, dull rufous, the 4th and 

 following segments black, the apex with a small yellowish spot; basal 

 segments slightly and gradually dilated to the tip, without lateral tu- 

 bercles; ovipositor as long as the abdomen, rufous. Length 3} lines; 

 expanse of wings 6 lines. 



Hah. — Illinois. Dr. Samuel Lewis. 



t. Phygadeuon montanus, n. sp. 



Black, polished; antennae, legs and abdomen, dull rufous; wings subhyaline; 

 metathorax deeply excavated behind. 



Female. — Black, polished, thinly clothed with pale pubescence; head 

 sub({uadrate ; face, beneath the antennae, slightly protuberant; mouth 



