16 BEITISH APHIDES. 



Aphis persiccecola, Boisduval. 

 Bhojyalosiphum dianthi, Kocli. 

 — 2)ersicce, Pass. 



Apterous viviparous female. 



Inch. Millimeters. 



Size of body 0-080 X 0'040 2-02 X I'Ol. 



Length of antennae 0*060 1*52. 



cornicles 0-020 0-50. 



Colour shining green, ochreous yellow, or brown- 

 ish yellow. Skin finely punctured. Ovate. Pointed 

 towards the apex. Head broad. Antenn£e shorter 

 than body, and placed on rather large frontal tuber- 

 cles. Cornicles green, with black tips. Cauda green, 

 about one third the length of cornicles. Abdomen 

 convex, and being transparent, often seen mottled 

 with yellow young embryos. 



The colour is, however, exceedingly variable. In 

 autumn it is often of an ochreous red, and deeply 

 furrowed or wrinkled. 



Pupa. 



Much like the larva. Wing-cases tipped with 

 brown. Points of antennae brown. 



Winged Diviparous female. 



Inch. Millimeters. 



Expanse of wing 0-340 7-62. 



Size of body 0-080x0-040 2-02x1-01. 



Leno'th of antennae 0-080 2-02. 



*&' 



cornicles 0-017 0-19. 



Head, thorax, and the band on prothorax, black. 

 Abdomen shining reddish yellow, with a broad black 

 dorsal spot, and several dark lines. Four dark spots 

 on each lateral fold. Legs ochreous. Antennse black ; 

 as also are the femora, the tibial points, and tarsi. 



