British Braconidm. 67 



areated. Wings hyaline ; squamulse, radicles, and nervures pale 

 brownish ; stigma, yellowish, elongate, emitting the 1st abscissa of 

 the radius obliquely, before the middle ; 2nd and 3rd abscissae 

 effaced ; cubital nervure continued as far as the end of the 1st 

 cubital areolet, the under side of which is distinctly incrassated. 

 Legs brown ; trochanters, knees, and base of tarsi, testaceous. First 

 abdominal segment linear, black, rugulose, with scarcely perceptible 

 tubercles placed near the extremity. Length, 1 ; exp. 1\ lines. 



Reared by Bignell out of Aphis crithmi, Buckton, which 

 inhabits the samphire, Grithmium maritimum. 



42. Aphidius ahsinthii, Marshall. 



A. ahsinthii. Marsh., lib, cit., p. 605, $ . 



^ Black ; abdomen piceous, the 1st segment pale testaceous. Oral 

 parts and palpi very pale, whitish. Antennae 17-jointed, as long as 

 the body, black, with the two basal joints piceous. Mesothoracic 

 furrows obsolete ; metathorax reddish-brown, carinated in the 

 middle, divided into fourarese. Wings slightly cinereous ; squamulae 

 and radicles impurely whitish ; stigma very pale, cinereous ; basal 

 nervures brownish, tolerably distinct, the rest effaced, except the 

 radial, which advances as far as the middle of the stigma, and the 

 cubital, which is visible beneath the 1st cubital areolet. Legs 

 blackish ; trochanters and knees testaceous. Abdomen somewhat 

 longer than the head and thorax ; 1st segment linear, with minute 

 tubercles, situated before the middle ; 2nd suture and base of the 

 2nd segment pale testaceous, the rest of the abdomen dark. 

 Length, ^ ; exp. 1-^ lines. 



Bred by Bignell from Siphonophora ahsinthii, L. the 

 puceron of Artemisia absinthium, wormwood. 



43. Aphidius euphorbia, Marshall. 



A. euphorbias. Marsh., lib. cit., p. 606, $ . 



^ Head and thorax black ; 1st segment testaceous at the base, 

 reddish on the condylus, two first sutures testaceous, the rest of the 

 abdomen piceous ; tubercles situated after the middle of the 1st 

 segment. Oral parts rufescent ; palpi darker. Antennae 18-jointed, 

 stout, black, as long as the body. Prothorax piceous ; mesothoracic 

 furrows effaced ; metathorax carinated, areated. Wings sub- 

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



