ART. 20 THE APHID GENUS AMPHOEOPHORA MASON 



Antennal measurements 



3a 



Other measurements 



COTYPE SPECIMENS 



Apterous viviparous female. — Antennae about one and one-half 

 times as long as body, light colored, distal segments imbricated, III 

 with 7-20 sensoria, all on basal half, not in a straight row. Antennal 

 hairs shorter than width of segment; heavy, not pointed. Antennal 

 tubercles unusually large. Hairs on front of head capitate. Beak 

 reaching second coxae, often nearly to third. Cornicles light colored, 

 rather slender, conspicuously swollen, somewhat imbricated at tip. 

 Cauda long, broad, conical, not constricted, with 5-6 groups of lateral 

 hairs. 



43328— 25t 3 



