134 
BRITISH APHIDES, 
Kocli, under tlie synomyms of dirliocla. This must be 
an oversight, as the former insect is characterised by 
small tubercles and numerous tufts of capitate hairs, 
SiphonopJiora dirlioda is not mentioned by either 
Kaltenbach, Koch, or Passerini Nevertheless, Walker 
says, it is sometimes more common in England than 
8, TO see, 
Mr. Walker obligingly sent me, late in November 
numerous living specimens of males and females from 
Wanstead. From their transparency they are well 
suited for studying the internal anatomy. 
1 L V SiPHONOPHORA Pisi, Kalt, Plate XIV. 
A^his ulmarice^ Schr. 
— ■ onohrychis, Fonscol. 
— pisi, Kalt, 
— lathy ri, Walk., Mosley. 
SiphonopJiora pisi, Koch. 
— - %dmarice, Pass. 
Yulgariter. Green Dolphin. 
Apterous viviparous female. 
Inches. 
Size of body 0*110x0 050 
Length of antennse 0*140 
,, cornicles 0*035 
Millimetres. 
2*70x1*27. 
3*55. 
0 * 88 . 
Large. Colour of many shades of shining green; 
sometimes, however, mealy and dull, showing the 
darker green tint below in transverse bands. Long oval. 
Tail end much pointed. Cauda sometimes scarcely 
visible. Broad between the cornicles ; often six 
pore marks are to be noticed down the sides of the 
dorsum. Antennse very long ; each joint ending with a 
black tip which gives the antennse a ringed appearance. 
Eyes brownish red. Cornicles green ; partially black 
or tipped only with black. Tarsi black. 
