Sire*. HYMONOPTERA. i? 9 



Genus III. Sirex. 



Linn. Syft. Nat. page 928. 



The mouth of the Sirex is armed with 

 two ftrong jaws. 



The palpi, which are two in number, 

 are truncated. 



The antenna? are filiform, and contain 

 upwards of twenty-four articulations. 



The fting is dentated like a faw, pro- 

 jected, ftrong, and ft iff. 



The abdomen is (lender, and terminates 

 in a point or fpine, from under which the 

 fting projects. 



The wings are lanceolated (their extre- 

 mities being drawn to a fharp point) and 

 are extended their whole length, not folded 

 as thofe of the Vefpa. 



Scopoli has arranged the Sirices along with 



' the Ichneumons, as Linnsus had likewife done 



in the former editions of his Syftema Nature , 



M 2 tho!8 



