153 



APHIDIDAE OF PERSIA. 

 By F. V. Theobald. 



Aphis buxtoni, sp. nov. (fig. 1). 



Alate viviparous female. 



Head and thorax dark ; abdomen pale, apparently pale green, with dark lateral 

 spots. Antennae, cauda and cornicles dark. Legs with mid and hind femora dark, 

 front pair paler ; apices of tibiae and the tarsi dark. Antennae shorter than body, 

 rather thick ; basal segment larger and paler than second ; third much longer than 

 fourth and about as long as the sixth, with 18-20 small round pale sensoria over its 

 whole length ; fourth segment very slightly longer than fifth, with 5-8 sensoria ; 

 fifth with 4-7 sensoria of unequal size, exclusive of the usual subapical one ; sixth 

 with the rather thick basal area less than one-third the length of flagellum, in some 

 however almost half its length ; all the segments from the third imbricated. Eyes 



^lTT][[ ^r^^!rrr^r^T^■r-^^^ 



Fig. 1. Aphis buxtoni,B^. n. : A, B, alate $ ; 

 %, lateral bladder-like papilla ; &i, lateral 

 papilla ; C, D, apterous ? ; di, lateral papilla. 



large. Proboscis reaching to the third coxae. A large pale bladder-like papilla 

 on each side of pronotum and five pairs of pale rounded papillae on sides of abdomen. 

 Cornicles about as long and as thick as third antennal segment, cylindrical, markedly 

 imbricated, not reaching to the level of the cauda. Cauda bluntly pointed, about 

 half the length of the cornicles, spinose ; with numerous fine hairs, curved apically. 

 Anal plate spinose, with fine pale hairs. Tibiae with numerous fine, pale, short 

 hairs. Wings with normal venation ; veins and stigma brown, the veins very 

 faintly and narrowly clouded on each side. Length, 2-2*2 mm. 



Apterous viviparous female. 



Pallid, with dark head, cornicles, cauda and anal plate, also dark antennae and 

 mid and hind legs, the fore pair paler. Antennae shorter than body, rather thick ; 

 basal segment larger than second, both very dark ; third paler at base, longer than 

 fourth and about same length as sixth ; fourth a little longer than fifth, the latter 

 with the usual sub-apical sensorium ; sixth with basal area nearly half the length of 



