218 AMERICAN HYMENOPTERA. 



in part are : upper margin of face beneatl] antennse, orbital spot above eyes, broad 

 humeral band in front of tegulse, margins of scutellum and postscutellum, lemon- 

 yellow, metathorax completely areolated; basal segment of abdomen with short, 

 weak carinte ; wings as in propinquus, or slightly more dusky. 



Seven females and four males from Texas, Dakotas, Colorado, 

 Nevada, Montana, Washington and So. California. Type, coll. 

 Amer. Ent. Soc. 



Exochu$« seniirnfiis Cress., Trans. Amer. Ent. Soc. ii, 114. 

 Mesoleius inflntifrons Prov., Add. Faune Hymen. 107, 9- 

 Exochas rnfigasfer Ashm.. Proc. TJ. S. Nat. Mus. xii, 443, 9 ■ 

 9 % . — 7-8 mm. Head and thorax black : legs entirely rufous ; abdomen varies 

 from entirely rufous to being black only on basal segment, or on two apical seg- 

 ments, or both ; tegulse, and sometimes a small spot on front between antennae, 

 pale yellow : antennae dark reddish brown ; face strongly pilose and but slightly 

 protruded ; mesonotum rather coarsely punctured ; metanotum completely areo- 

 lated ; abdomen polished, or with oTily fine punctures; carinse distinct on basal 

 segment: femora not strongly inflated ; wings yellowish hyaline; nervures and 

 stigma reddish brown. 



Six females and nine males from Michigan, Canada, Massachu- 

 setts and New Hampshire ; Texas (Ashmead). Type, coll. Amer. 

 Ent. Soc. 



HYPKRACMUS Holmg. 

 Monog. Tryphou. Suec. 322 (1855). 



Head transverse ; face strongly protuberant, punctured and pilose ; 

 vertex flat and separated from the occiput by a sharp ridge ; an- 

 tennse with scape elongate, enlarged near apex ; segments of flagel- 

 lum numerous, broader than long; dorsum of thorax depressed, 

 shining, metathorax areolated ; abdomen sessile, ol)long-ovate, sub- 

 clavate, obtusely rounded at tip ; femora incrassate. 



Hyperacmus ovatus n. sp. 



9. — 4 mm. Black, with legs honey -yellow ; posterior coxse in one specimen 

 pale piceous ; antennae dusky red with the scape and base paler; protuberance 

 beneath antennae piceo-rufous, palpi yellowish white ; abdomen broad, subclavate ; 

 basal segment with two faint converging carinae on basal half; apex obtusely 

 rounded, ovipositor slightly exserted ; wings hyaline, nervures and stigma red- 

 dish brown ; the entire dorsum is shining, finely punctured ; face coarsely punc- 

 tured ; pleurae shining, scarcely punctured. 



Two females from Connecticut. One is labeled, " Bred from the 

 case of woolen moth, May, 1805, J. H. E." Since this description 

 was written I find this to be the same as Dr. Riley's H. tinece which 

 was bred from the clothes moth (Tinea), but never described. The 

 specimens were from Michigan. Types, coll. Amer. Ent. Soc, G. C 

 D. and U. S. Nat. Mus. 



