380 



sikicid^:. 



28. Sirex flavipennis. 

 (Plato XV. fig. 10.) 



Exp. al. 2-2| poll., long. corp. 1 poll. 6 lin. ad 1 poll. 8 lin. 



Black ; head and thorax granulated, and thickly clothed with 



greyish pubescence ; antenna? (except the basal joint), the collar, 



enchri, and the basal half of the femora and tarsi yellow. Wings 



deep yellowish hyaline. One specimen has a yellow spot on each 



side, in front of the eighth segment of the abdomen. 



Allied to S. albicomis, but much larger, aud with only the basal 

 oiut of the antenna? black. 



-c. 2- (Types.) Vancouver's Island. Lieut.-Col. Hawkins. 



29. Sirex hirsutus. 

 (Plate XV. fig. 6. ) 



Exp. al. 2 poll., long. corp. 1 poll. 2 lin. 



Head and thorax bluish black, very hairy; first five or six joints 

 of the antennae rufous ; first two segments of the abdomen and 

 cornus lighter blue, the remainder of the abdomen dull reddish, 

 irregularly mottled with black ; front legs rufous, middle legs rufous 

 on one side and blackish on the other ; hind legs blackish ; femora 

 reddish brown, and the terminal joints of the tarsi more or less 

 red; hind tibia' and first joint of tarsi much swollen, flattened, and 

 deeply channelled. Wings yellowish hyaline, more strongly washed 

 with yellow on portions of the costa and inner margin. 



Hah. Georgia (?)*. 



a. S. (Type.) Georgia (?). 



30. Sirex abdominalis. 



Urocerus abdominalis, Harr. Ins. Mass. p. 392 (1841); Nori, Trans. 

 Amer. Enl. Soc. h. p. 361 (1869). 



Hah. United States. 



31. Sirex flavicornis. 

 (Plate XII. fig. 18.) 



Sirex flavicornis, Fabr. Spec. Ins. i. p. 418, n. 4 (17.*1 1. 



Exp. al. 2 poll. 4 lin., long. corp. 1 poll. 7 lin. 



Head and thorax black, villous ; antenna?, cheeks, knees, tibia?, 

 and tarsi yellow ; hind tarsi, below the middle of the first joint, red- 



* This specimen was placed with S. abbotii as S.juvenctis, and. although not 

 labelled, is very probably also from Georgia. 



