British BrioLConidse. 5 7 



jointed. Legs rufotestaceous, with the outer side of the femora and 

 -extremity of the tarsi infuscated ; hind coxae sometimes infuscated. 

 Abdomen piceous, 1st segment rufo-flavous, less frequently brown ; 

 middle of the 2nd segment, and anterior sutures, yellowish. ^ Black ; 

 legs brown, the fore pair yellowish beneath ; all the knees also 

 yellowish ; abdomen darker than that of the $ . Length, |-1 ; exp. 

 1^2 J lines. Haliday. 



Reared by Haliday from pucerons of Rosa ruhiginosa, 

 sweet-briar ; the latter, when pierced, retire to the under- 

 side of the leaves, and become shining white. 



26. Aphidins hwtensis, Marshall. 



A. hortensis, Marsh., lib. cit., p. 590, $ $. 



9 Abdomen yellow at base and apex, pale brown in the middle. 

 Face brown ; clypeus, mandibles, and palpi, whitish. Antennae 

 s"horter than the body, 14-jointed, blackish with the two basal 

 joints whitish. Mesonotum smooth, without the usual furrows ; 

 metathorax faintly carinated, areated. Wings hyaline, with a dusky 

 tint ; stigma and nervures pale cinereous ; cubital nervure almost 

 effaced, except the portion which forms the lower side of the 1st 

 cubital areolet. Legs yellow, femora and tibiae of the 4 posterior 

 somewhat infuscated. Abdomen narrow, compressed towards the 

 apex ; 1st segment yellow, almost linear, without visible tubercles ; 

 2nd yellow, dusky in the middle, or with a dusky spot on each side ; 

 3 5 somewhat obscure above ; the remaining segments yellow. 

 Valves of the terebra black. $ Antennae 16-jointed, as long as the 

 body, the two basal joints of each yellowish ; posterior femora and 

 tibiae darker than those of the $ ; abdomen wholly pale brown, 

 except the 1st segment and the extreme base of the 2nd, which are 

 yellow. Length, 1 ; exp. 1| lines. 



The description is from 9 specimens reared from Aphides 

 infesting a shrub, the name of v/hich was not communi- 

 cated to me, perhaps not indigenous. The punctured 

 pucerons on the same card are pearly white. 



27. Aphidius chrysanthemi, Marshall. 

 A. chrysanthemi, Marsh,, lih. cit., p. 591, $ ^ . 



$ Black ; 1st abdominal segment partly pale ; oral parts dull 

 testaceous. Antennae somewhat longer than the head and thorax, 



