72 Indian, jl/iiseum Nutes. [ Yol. IIL 



and to the group of Pempliiginte, which are known to produce pseudo- 

 galls by setting up irritation on the leaves or bark of various trees. 



As this Pemphigus differ in several respects from any hitherto 

 described from Europe or America, I add a diagnosis of the winged 

 female, remarking that some Indian entomologist may usefully describe 

 the colours, if they show such, from living specimens. 



PempJiigns erlificator, Buclcton. 



•JCUCU 



iT'Y^?r77'Jv?nnri^""-^''-*"'*""'^'^r7^^='^'^J^'^'^^'^^^J^f"''^-T^r^^^'rT''™y"°'*"' 



Imago, wholly black. Head small, furnished with normally formed 

 eyes and the usual supplementary eyelet antennae about half the length 

 of the body, seven jointed, counting the terminal process as a joint. 

 Third and sixth joints the longest, and apparently not tuberculated. 

 Notum and pronotum broad. Abdomen ringed and tapering to a 

 rounded cauda. Nectaries not visible. Legs black ; the hinder pair 

 hirsute. Tarsus, two-jointed with claws. Upper wings about twice 

 the length of the body and normally folded. Costal edge strong, 

 with a broad black cubital vein, ending beyond the middle of the 

 costa with a broadly banded black stigma, having an internal dark 

 cell. Stigmatic vein long and curved. Second vein short and discon- 

 nected from the cubitus, like that of Sehizoneura. Third vein joined 

 to the cubitus, and widely forked close to its insertion. 



Lower wing small and delicate ; with a cubitus twice forked, and 

 complete to the margin. 



Mr. Elliot found these pod-like galls on the twigs of Pistacia grow- 



