AMERICAN HYMENOPTERA. 239 



Var. a. Scutel pale. 

 Var. h. A large black spot on venter. 

 Maine, Mass., Conn., N. Y., Md., 111. 

 Taken April 24th, on the willow. 



12. Dolerus versa, n. sp. 



Rufous; the head, anterior lobe of thorax, scutel and behind, breast, ovipo- 

 sitor and legs black; wings violaceous. Length 0.42. Br. M'ings 0.88 inch. 



9 . Body large and very stout; abdomen much flattened; antennre 

 rather long, third joint longer than fourth, color of body yellow-red ; 

 head black ; anterior lobe of mesothorax, scutel and behind, pectus 

 and ovipositor sheath black; basal plates rufous; legs black; inner 

 tooth of claws strong ; wings obscure violaceous, nervures black. 



Mass., (Am. Ent. Soe.) Maryland, (T. Glover). Two 9 . 



This resembles D. hicolor in form and punctures, but is very much 

 larger. 



lo. D. Tejoniensis. 



Dosi/thcu.s Tejoniensis, Norton, Bost. Proc. viii, 1861, 154, 9, 9 • 

 Testaceous, with the head and breast black; wings violaceous. Length 0.48. 

 Br. wings 0.90 inch. 



9 . Body large and stout ; abdomen long ; antenna> large, third 

 joint but little longer than fourth ; fourth, fifth and sixth each dimi- 

 nishing in length; head black, polished above ocelli, roughened below, 

 a U-shaped sinus back of ocelli ; nasus but little incurved, body stout, 

 thorax polished ; pleura with scattered pits, shining; pectus, oviposi- 

 tor sheath and legs black ; inner claw tooth large, removed from tip ; 

 wings violaceous, subopaque, nervures black. 

 Ft. Tejon, Cal., (Smiths. Inst.) Two 9 . 



Section 2. — [Pelmatopus,) Hartig. 

 Lanceolate cell closed. Under wings with two middle cells. 

 Inhabits Europe. 



Wings with two marginal and four suhmarginnl cells. 

 44. DINEURA, Dahlb. 

 Dineura, Dahlb., Consp. Tenth. 1835. 



Hartig, Die Blattw. 226. 

 Tcnthredo, Sec. B. Klug. 



Sec. b. Stephens. 

 Wimjs — Two marginal and four submarginal cells, the second sub- 

 marginal receiving two recurrent nervures ; the third submarginal al- 

 most equal sided ; lanceolate cell petiolate ; four submarginal bulla;, 

 viz. : one on each transverse nervure, one on the submarginal nerve at 

 reception of second recurrent nervure. Under wings with two middle 

 cells. 



