282 TENTHBEDINID.a:. 



8. Tenthredopsis albomaculata. 



Tenthredopsis albomaculata, Cameron, Trans. Ent. Soc. Lond. 1881, 

 p. 569. 



Hah. Kannoch. 



Tenthredopsis alpina. 



Perineura alpina, Thorns. Hym. Scand. i. p. 267 (1871). 

 Tenthredopsis lividiventris, Cameron, Trans. Ent. Soc. Lond. 1881. 

 p. 568. 



Hah. Scotland. 



10. Tenthredopsis fulviceps. 



(Plate XYI. figs. 8 $ , 9rf.) 

 Tenthredo fulviceps, Steph. III. Brit. Ent., Mand. vii. p. 75 (1835). 



Exp. al. 8 lin., long. corp. 4 lin. 



Black ; head dull luteous, first two joints of antennae black, the 

 remainder dark brown above, lighter below ; mouth and scutellar 

 spots yellow ; clypeus with a dusky spot in the middle above ; 

 abdomen with segments 3-6 red ; four front legs testaceous, hind 

 legs dark brown, the coxae and upper surface of the femora being 

 darkest. Wings hyaline, with piceous nervures and stigma, the 

 latter pale at the base. 



Male (?) with the abdomen black at base and tip, testaceous 

 below and at the sides, the testaceous segments bordered behind 

 with black transverse streaks, and with a black longitudinal shade 

 in the middle ; legs testaceous, hind femora dusky. 



Hah. Britain. 



a. 2 • (Type.) Bristol. J. F. Stephens. 



b. J (?). Britain. J. F. Stephens. 



11. Tenthredopsis tristis. 

 (Plate XYI. figs. 10 tf, 11 $ .) 

 Tenthredo tristis, Steph. III. Brit. Ent., Mand. vii. p. 78 (1835). 

 Exp. al. 8 lin., long. corp. 5 lin. 



Black ; antennas brown above, reddish beneath ; mouth, orbits, 

 collar, scutellar spots, and hinder edge of the first segment of the 

 abdomen narrowly yellow ; sides of the abdomen reddish, most 

 broadly on segments 3 and 4 ; undersurface tinged with reddish in 

 the middle ; legs testaceous, hind femora blackish. Wings hyaline, 

 with brown nervures ; stigma pale at base. 



The male has the sides and undersurface of the abdomen more 

 uniformly reddish, and the blackish suffusion of the upper surface is 



