APHIDIDAE OF PERSIA. 157 



Alate viviparous female. 



Antennae of six segments ; first two large and d^rk, third the longest, with 

 13-15 round sensoria of unequal size and a few hairs ; fourth about as long as fifth, 

 with 3 sensoria ; fifth longer than sixth, with one large subapical sensorium ; sixth 

 with ' nail ' shorter than basal area and a large sensorium at its base, a few 

 moderately long hairs. Eyes large. Cornicles dark, of normal form, hairy. 



Apterous viviparous female. 



Basal segments of antennae large and dark ; third segment with 3-4 uniform 

 round sensoria situated near apex. Cornicles as in alate $. A marked median 

 abdominal tubercle. 



The specimens sent by Mr. Buxton were all very much damaged. Another 

 Lachnid {Nippolachnus piri, Matsumura) occurs on Pirus sinensis in Japan, but 

 is very distinct (vide, " A list of the Aphididae of Japan, with descriptions of New 

 Species," Journal of the College of Agriculture, Tohoku Imperial University, 

 vii, pt. 6, p. 382, July 1917). 



