AMERICAN HYMENOPTERA. ZZt 



A. 



T. grandis. 



AUantus grandis, Norton, Bost, Jour, vii, 1860, 239. 7. '^ 9 . 

 Tenthredo grandis, Norton, Bost. Proc. ix. 121. 

 Black ; the tips of antennae, collar, scutel and sides of basal membrane yel- 

 low. Length 0.40— .50. Br. wings 1.00—1.12 inch. 



9 . — Bluish-black, body very long, abdomen compressed, widest be- 

 yond middle, at apex acute ; the four apical joints of antennas yellow; 

 head polished, a spot on each side of clypeus, sometimes joined, disk of 

 labrum, base of mandibles, edge of collar, scutel and sides of basal 

 membrane, straw-yellow; legs black, a white line down the anterior 

 pair below middle of femora, a spot on intermediate tibiae below, their 

 tarsi and the last tarsal joint of posterior pair whitish ; inner anterior 

 tibial spur deeply and widely bifid, the outer limb not branched ; inner 

 claw tooth large ; wings sub-violaceous ; under pair mostly hyaline. 



% . — The male has more of the collar, an oval dot above the anterior 

 coxae, a line on intermediate femora and spot at end of posterior tibiiC 

 before, white. 



Canada, Connecticut, Illinois. Not common. 



2. T. mellinus. 



Allantus mellinus, Harris, MS. 



[Norton, Bost. Jour, vii, 1860, 24. 9 %, 

 Tenthredo mellinus, Norton, Bost. Proc. ix. 121. 

 Reddish-yellow ; antennae mostly pale, mouth and a spot above posterior coxae 

 straw color. Length 0.44 — .47. Br. wings 0.86 — .90 inch. 



9. — Reddish or honey -yellow; body long; autennje color of body, 

 not very long; mouth below antennae and cheeks, a spot above poste- 

 rior coxae, and anterior coxae and femora, straw color; wings hyaline. 



% . — The male has a black spot about ocelli, the teguhe, collar, Y- 

 spot, scutel, pleura, pectus and coxae pale yellow; a line on posterior 

 cox3e and half of their femora above, black. 



Maine. (Harris Coll.) 



Var. a 9 . — Teguke and sides of basal membrane pale yellow, a spot 

 on each lobe of mesothorax and the apical half of femora black ; 

 wings smoky-yellowish. Norway, Maine, (Cambr. Mus.) 



Another specimen has the scutel yellow and the four posterior coxae 

 black. Labrador. (A. S. Packard Jr.). 



Var. h. 9 . — Tegulae and edge of collar waxen, remainder of thorax 

 and abdomen of one color; neck and sutures of pleura blackish; legs 

 of one color; anterior pair pale before. Chilingunck Depot, Wash- 

 ington Territory. (Smiths. Inst.) 



