82 BRITISH APHIDES. ' 



AjpJiis ettphorhicB, Kalt. ? 



— dahlice, Sir 0. Mosley. 

 Cinara rumdcis, Mosley. 

 Rumicifex, Amyot. 

 Genistifex, Amyot. 



Apterous viviparous female. 



Globose. Head, thorax, and abdomen almost con- 

 fluent. Eyes black. Antennge somewhat variable in 

 length. Body wholly black, sometimes shining, some- 

 times dull. Cornicles and tail black. The three 

 middle antennal joints and the tibiae obscurely 

 ochreous. 



The young are slaty grey, but subsequently they 

 obtain a blackish velvet-like coat. Adult variable as 

 to size. 



Pupa. 



Larger than the larva. Head and thorax slaty grey. 

 Meso- and post-thorax conspicuously divided into lobes. 

 Wing-cases black. Abdomen black with four strongly 

 marked white doTNny spots, ranged on each side, 

 followed by a break near the insertion of the cornicles. 

 Two small white patches occur on each side near the 

 tail, and also an exterior row of dots on each lateral 

 edge. These squarish markings give the insect a kind 

 of chess-board or chequered appearance. Legs much 

 like those of the larva. 



Winged viviparous female. 



Inch. Millimetres. 



Expanse of wings 0-130 3-30. 



Size of body 0-080 X 0-035 2-02 X 0-8. 



Length of antennas 0'060 1*54. 



cornicles 0-010 0-25. 



