APHIS PEUNI. 65 



Apple-green. Head, antennse, tliorax, genua, and 

 tarsi black. Third antennal joint tuberculate. Abdo- 

 men green. Dorsum with a squarish spot, and two 

 dark streaks below the cornicles. Four lateral spots at 

 each edge. A black spot under the tail. Cornicles dark 

 olive, or only tipped with black. Legs yellowish. Tail 

 green and pilose. Rostrum reaches the second coxjb. 

 Wings broad and rounded ; membrane rather coarse 

 and finely punctured ; stigma greenish ; veins brown. 



Winged male. 



Incli, Millimetres. 



Expanse 0-225X0-50 5-70xl-27. 



Body small, dingy ochreous. Head, thoracic lobes, 

 prothorax, three blotches on the dorsum, nectaries, 

 genua, and tarsi, all umber-brown. Fore wings very 

 large and broad. Cubitus and stigma pale ochreous. 

 Some males are wholly black. 



This sex was satisfactorily made out by a dissection, 

 the generative organs and the testes being well 

 developed. 



Taken rather numerously, and in company with the 

 oviparous female, on the apple-tree, towards the middle 

 of November. Mr. Walker also sent me male speci- 

 mens from the medlar-tree, Mespilm germanica. 



Apterous oviparous female. 



Inch. Millimetres. 



Size of body 0-065x0'030 l-64x0-76. 



Small, pale greenish yellow, transparent, usually 

 shows the mature eggs within. Head broad. Eyes 

 and nectaries brown, the latter variable in length. 

 Ano-g^ital ring conical. Tibiae slightly dilated. 



The eggs in November are ready for laying, and 

 freely pass from the body by a gentle compression. 



This species infests the plum, the peach, and the 

 apple. De Geer also found it feeding on the apricot, 



5 



