British Braconidse. 69 



a slight dusky tinge ; squamulas, radicles, and basal nervures very 

 pale brown ; no vestige of the exterior nervures, except the Ist 

 abscissa of the radial ; stigma hyaline, elongate, indeterminate on 

 the under side, emitting the shortened radial from before the 

 middle ; 2nd discoidal areolet shorter than half the praebrachial 

 transverse ; wings more ample than usual. Legs testaceous ; 

 4 posterior femora and tibiae slightly infuscated in the middle, hind 

 coxae infuscated above at the base. Abdomen as long as the head 

 and thorax, and narrower than the latter ; condylus of the 1st seg- 

 ment somewhat enlarged ; tubercles visible, placed before the 

 middle ; the decolorous patch on the posterior segments is perhaps 

 no character, but an accident resulting from desiccation. Length, \ ; 

 exp. If lines. 



I reared this species out of Myzus cerasi, F. the black 

 puceron of the cherry. Only one specimen was obtained 

 from a number of pucerons, all the rest of these being 

 parasitised in the second degree by the Cynipid Allotricc 

 fiavicornis, Hartig. 



46. Ajjhiditis acalephm, Marshall. 



A. acalephse, Marsh., lib. cit., p. 608, $ . 



$ Head and thorax black ; abdomen piceous, with the 1st seg- 

 ment and the two sutures pale. Head large ; oral parts and palpi 

 pale. Antennae 13-jointed, stout, longer than the body, somewhat 

 moniliform, black, with the two basal joints brown. Mesothoracic 

 furrows not entirely effaced ; an additional longitudinal channel is 

 traced between the two. Scutellum and metathorax somewhat 

 piceous, the latter convex, smooth, without carinas or areae. Wings 

 hyaline ; squamulae, radicles, stigma, and nervures pale cinereous ; 

 basal nervures attenuated, indistinct ; 1st cubital areolet open on 

 the under side, and so effaced. Legs fuscescent ; trochanters and 

 knees pale. Abdomen as long as the head and thorax, and narrower 

 than the latter ; 1st segment stramineous, three times as long as 

 broad, linear, with minute tubercles before the middle. Length, f ; 

 exp. 1 line nearly. 



Found by Bignell, once only, on a nettle; the smallest 

 species known. 



47. Aphidiits callipteri, Marshall 



$ Head and thorax black ; abdomen piceous, with the 1st seg- 

 ment yellowish white. Oral parts and palpi testaceous. Antennse 



