APHIS ORAMIGARIA. 37 



barred with black. A. cratcegi of Passerini has rusty- 

 red spots at the base of the cornicles, like AjpMs jpacli. 

 Koch says A. cratcegi of Kaltenbach is Aphis pyri of 

 Boyer de Foiiscolombe, which is a brown or reddish 

 insect. Again, Koch's A. oxycanthm, feeding, like the 

 present insect, on the hawthorn, Crataegus oxycantha, is 

 black, and certainly must be different. Some of these 

 discrepancies probably are due to physico-climatal 

 causes, as before noticed. 



This insect is not uncommon at Haslemere from 

 May to late July. It blisters and rolls up the 

 tender leaves at the top shoots of the whitethorn. 

 In this way tangled and curled masses are formed, 

 mostly of a reddish-brown colour. 



Aphis crat^garia, Walher. Plate XLVII, fig. 4. Ann. 

 Nat. Hist., ser. 2, vi, No. 93. 



Apterous viviparous female. 



Inch. Millimetres. 



Size of body 0-070 x 0-045 177 X 1-13. 



Length of antennge 0*040 I'Ol. 



cornicles 0-020 0-50. 



Body round and flat. Head, antennae, and legs 

 pale ochreous brown. Eyes brown. Thorax and pro- 

 thorax distinctly separated ; dull leek green, somewhat 

 mottled; a marked yellow carination edges the whole 

 abdomen. Cornicles straight, dark brown. Tail 

 large, and also dark. Femoral tips and tibiae dark 

 brown. The sides of the prothorax and the abdomen 

 are furnished with small spines. 



Taken at Haslemere and at Wanstead on the leaves 

 of the hawthorn. 



As this insect, notwithstanding some differences, 

 most nearly approaches the description given by 

 Walker, I conclude that the forms are identical. The 

 winged female is grass-green, with the head and 



