!i31i EDWARD NORTON. 



Black; orbital lines, and six lines before scutellum, yellow ; apex of abdo- 

 men rufous. Length 0.45. Br. wings 0.90 inch. 



9 . — Black ; body long ; antennae quite long ; face below antennae, 

 a short orbital line on each side of ocelli, two dots behind ocelli, an 

 angulate line (not touching eyes) from cheeks to sutures of occiput, teg- 

 ular, six lines, viz. four on mesothorax before and two from scutel to 

 anterior tegulas, a dot before scutel, lines on the ridges of metathorax, 

 the upper and lower edges of basal plates, an oval spot above posterior 

 coxae and the basal half of venter, straw-yellow ; apical half of abdo- 

 men rufous ; legs yellowish ; all the coxa), the four anterior femora, 

 except at tip and base, posterior femora and a slender line down the 

 j)Osterior tibia) above, black ; four posterior tibiae reddish 3 wings yel- 

 low-hyaline, base of stigma and costal edge pale. 

 Northern Illinois. One 9 • 



13. T. signatus. 



Allantus signatus, Norton, Best. Jour. vii. 1860, 246, 23. 

 Tenthredo signatus, ^Norton, Bost. Proc. ix. 121. 

 Black: mouth, cheeks, tegulse, collar, pleural line, spot on pectus and coxse, 

 white; abdomen and hinder legs, rufous. Length 0.44. Br. wings 0.88 inch. 



% . — Color black ; antennae moderate, flagellum generally whitish 

 beneath toward apex; mouth, cheeks, a minute dot at summit of eyes 

 within, teguhx), collar, a spot above anterior and posterior coxae, a lon- 

 gitudinal line or large spot on pleura, with a perpendicular line behind, 

 a large spot on breast before intermediate legs, edges and sides of ba- 

 sal plates, straw color; abdomen rufous, darkest on basal segments 

 above ; coxae, trochanters and anterior legs before, white ; a line down 

 the four anterior femora and sometimes the upper half of tibiae above, 

 on the posterior coxae, trochanters and base and tip of femora above 

 and the tips of posterior tibiae and tarsi black; remainder of legs ru- 

 fous; wings smoky-hyaline, stigma at base pale. 



9 . — The female has the tips of antennae rufous beneath, more of 

 black upon abdomen. 



Var. 9 . — Flagellum beneath black, basal joints of antennae ferrugin- 

 ous, no dot above eyes, spot on breast small ; legs more yellow than ru- 

 fous, less of black on coxae. 



Var. % — Antennae wholly black, apex of abdomen black, no dotg 

 above eyes. 



Canada, Maine. 



14. T. variatus. 



Tenthredo variatus, Norton, Proc. Ent. Soe. Phil. iii. 1804, 12, 25, 9 . 

 Black; mouth, cheeks, collar, tegulse, line and spots on pleura and pectus, 

 white; abdomen rufous. Length 0.46 — .48. Br. wings 0.86 — .92 inch. 



