Catalogue of British Tchneumonida. 171 



with two short transverse diagonal impressions on each 

 side at the base and towards the middle of the segment, 

 one-third longer than wide ; 3rd rather longer than 

 wide, compressed towards the apex ; remaining segments 

 much compressed. Legs a little stouter than usual in 

 this genus. Wings without an areolet ; transverse 

 cubital subobsolete, as in Xylonomus ; nervelet present ; 

 transverse anal nervure divided a little below the middle. 

 Black ; mandibles at the base, a triangular mark on 

 clypeus, shoulders, tegulas, sides of scutellum, base of 

 hind tibiae, base of 1st joint of hind tarsi, yellowish 

 white ; apex of mandibles, sides of clypeus, and legs, 

 red ; stigma piceous, extreme base pale ; base of wings 

 pale. Length, 7 mm. Female. 



One specimen was given to me by Mr. F. Norgate, 

 locality uncertain ; and two have been bred by Mr. J. 

 E. Fletcher, from pupae of some dipteron dug up at 

 Worcester, May 22nd, 1872. 



TRANS. ENT. SOC. 1883. PAET II. (JUNE.) 



