ABT. 20 



THE APHID GENUS AMPHOROPHORA MASON 



63 



Apterous viviparous female. — Antennae about a third longer than 

 body, imbricated, the hairs inconspicuous, much shorter than width 

 of segment. III with a row of sensoria. Antennal tubercles large. 

 Beak reaching about to second coxae. Cornicles moderately long, 

 plainly swollen, the tips imbricated, but not reticulated. The 

 Cauda broad, conical, not constricted, with about three sets of lateral 

 hairs. Measurements as follows: 



No. 1 is from the cotype slide. Other are paracotypes. 



Pergande left the following color notes of the cotype specimen: 

 "Apterous female pale bluish green; antennae black, the two basal 

 joints and front edge of head brownish yellow, eyes brown, legs 

 yellowish brown, the base of femora very pale bluish green ; nectaries 

 dusky, paler at base, tail of color of body." 



Intermediate. — Similar to other forms, except for very small wings^ 

 larger on left side, and for the number of sensoria, III have 37 on 

 one side and 39 on the other, IV having 5 on each antenna. No 

 ocelli present. Measurements as follows: 



