F. V. TllEOTULl) 



•J.) 



frontal processes at the base of the antennae. Eyes deep red ; stem- 

 mata prominent. 



Aphis ahietina Walker. 



Fig. 3. 

 Alate viviparous female and further enlarged cauda A. 



Pronotum fawn coloured to green ; mesonotum greenish with darker 

 lobes, scutum and scutellum in some brown ; venter of thorax dark. 



Abdomen bright green with dark sub-median lines, really made up 

 of four darker spots, also traces of four pairs of darker lateral spots ; 

 segments caudad to the cornicles marked and somewhat darker than 

 the rest. Cauda pale green, pointed, moderately long. 



Cornicles long, thin, straight, cylindrical, reaching beyond the cauda, 

 pale greenish to greenish-brown ; in some slightly darkened at the tips ; 

 apex with a few transverse lines and large hexagonal areas, not strongly 

 imbricated. 



Legs pale green in some, pale brown in others, rather short ; femora 

 thick ; tarsi and apices of the tibiae slightly darkened. The wings are 

 large, much longer than the body with rounded apices ; the stigma 

 and veins pale brownish-green to grey, subject to considerable variation 

 in veination ; the veination in the two wings often being totally unlike 

 one another {vide Figs. 1 A and 4). 



