CALLIPTERUS CARPINI. 19 



Oallipterus oaepini, Koch. Plate LXXXIX. 

 Aphis coryli, Kalt. (?). 



Apterous viviparous female. 



Inoli. Millimetres. 



Size of body 0*090 X 0-045 2-27xl'13. 



Length of antennjB 0'085 2"14. 



„ cornicles 0*007 0-17. 



Large, wholly pale yellow or greenish ; resembles 

 Gallipterus coryli, but its habits are diflPerent and pro- 

 portions unlike. Body covered with capitate hairs. 

 Antennge shorter than the body. Very active, running 

 from one side of the leaf to the other when disturbed ; 

 several individuals congregate on the same leaf of 

 Betula tremula, and, according to Koch, also on Car- 

 pinus hetulus. Common near Chichester from June to 

 October. 



The Piipa. 



Long oval, attenuated behind. Head broad, vertex 

 pilose. Body pale shining green, covered with capitate 

 hairs, but some specimens are smoother than others. 

 Antennse as long or longer than the body, and ringed 

 with black ; the seventh joint twice as long as the 

 sixth. Rostrum does not reach to the second coxse. 

 Cornicles very small, generally black at the tips. Legs 

 and wing-cases pale green. 



Winged viviparous female. 



Inch. Millimetres. 



Expanse of wings 0-380 9-64. 



Size of body 0-120x0-040 3-04x1-01. 



Length of antennse 0-140 3* 55. 



cornicles 0-002 -05. 



Large, bright green, slightly tuberculate. Rather 

 mealy. Head and prothorax with a dull brown spot. 

 Antenna brown, long ; seventh joint only equals the 



