2.38 EDWARD NORTON. 



Connecticut, Massachusetts. 



]?ut one female and a great many males taken on the willow. 



9. D. similis. 



Doxi/thcus similis, Norton, Bost. Proc. viii, 1861, lo."., 5, 9- 

 Black; the prothorax, tegulse and a wide band on abdomen rufous. Length 

 0.33. Br. wings 0.62 inch. 



9. Abdomen moderately long and stout; antennae rather enlarged 

 in middle, third joint one-half longer than fourth, fourth and fifth 

 equal, sixth shorter ; head moderately rugose ; pleura very coarsely 

 pitted; lower half of the face, base of pleura and the tibiae with abun- 

 dant white hair; the prothorax, anterior lobe of mesothorax, teguUx) 

 and abdomen, except the two apical segments, rufous, remainder of 

 body black; anterior knees rufous, their tibi;c and tarsi fuscous; inner 

 tooth of claw obtuse ; wings hyaline, apical half faintly smoky. 



Va)\ a. A broad black vitta on anterior lobe of thorax. (Illinois). 



Va7\ h. a rufous line on each side of mesothorax from tegula? to 

 scutel ; anterior tibia; rufous. (Illinois). 



Maine, Conn., Md., 111. 



10. D. maculicoUis. 



Dosgtheus maruIicoUis, Norton, Bost. Proc. viii, 186], 153, 6, 9- 

 Bhick ; thorax rufous before; abdomen ferrugi)ious, venter black. Long 0..",,'). 

 Br. wings 0.70 inch. 



9 . Quite stout ; antennae moderate, third joint a little longer than 

 fourth; fourth, fifth and sixth of equal length; head and pleura cori- 

 aceous ; nasus incurved, not deeply notched, sericeous ; teguh«, apical 

 half of anterior lobe, prothorax and upper anterior third of pleura ru- 

 fous; basal plates, tergum, except apex, and sides beneath ferruginous, 

 venter black; legs black, tai'si piceous; inner claw tooth obtuse, not 

 very small ; wings clouded. 

 Brooklyn, N. Y. (One 9 .) 



11. D. bicolor. 



Tenthredo bicolor, Beauv., Ins. Afr. et Am. 1805, 06. Hym. Tab. 9, fig. 1. 

 Dolerus bicolor, Lepel, Mon. Tenth. 122, 360. 

 Do.v/theus bicolor Norton, Bost. Proc. viii, 1861, 153, 7, %. 

 "Yellow ; antennse, head and spots on thorax, breast, scutellum, feet, oviduct 

 and veins of the wings black." Length 0.30. Br. wings 0.60 inch. 



9 . Abdomen short and stout; antennae hardly longer than to base 

 of abdomen, third joint one-third longer than fourth ; nasus deeply in- 

 curved ; labrum smooth, piceous ; head, side lobes of mesothorax. .scu- 

 tel and post-«cutel. spots at sides and on basal plates, breast, a spot at 

 base of ovipositor and the legs black, remainder of body yellow rufous; 

 wings tinged with violaceous, nervures black. 



