ART. 20 



THE APHID GENUS AMPHOROPHOKA MASON 



41 



to medius than is usual for the genus. Cornicles medium in length, 

 considerably swollen, imbricated, very indistinctly reticulated, if at 

 all. Cauda long, slender, conspicuously constricted, with 4 sets of 

 lateral hairs. Most of the hairs of the body more or less capitate. 



Antennal measurements 



Other measurements 



Pergande left, in his notes, the following color description, made 

 from the metatype specimens : 



''Head yellowish, eyes brown, ocelli clear, bordered at inner side 

 with purplish brown. Antennae black. Pro thorax greenish, thoracic 

 lobes brownish yellow. Abdomen green, variegated with yellowish 

 green. Nectaries dusky, greenish toward base. Legs black, the 

 femora yellowish green at base, growing darker toward or beyond 

 the middle. Stigma dusky, blackish along inner edge. Subcosta 

 yellowish." 



Last instar alate nymph 



Third instar alate nymph 



