CHAITOPHOEUS POPULI. 141 



Apterous viviparous female. 



Inch. Millimetres. 



Size of body 0*070 X 0-035 177 X 0-88. 



Length of antennjB 0'040 '' I'OJ. 



„ cornicles 0*002 0-05. 



Oval, broadest just above the cornicles, pale yel- 

 lowish green, blotched with irregular dark green 

 stripes and spots, pilose. Head rufous, eyes red. 

 Antennae, legs, and cornicles green, the last wart-like. 



Pupa. 



Larger and more oval than the larva. Colouring 

 much the same, but the dark green stripes are usually 

 gathered more into semicircular curves across the 

 dorsum. 



Winged viviparotis female, 



Incli. Millimetres, 



Expanse of wings 0-240 6-09. 



Size of body 0-080 X 0-035 2-02 X 0-76. 



Length of antennge 0-065 1*64. 



„ cornicles 0-005 (P-27. 



Head and thorax black ; the former broad ; front 

 rather flat, and garnished with bristles. Eyes red. 

 Antennae ochreous, with the exception of the two 

 basal and the apical joints, which are black. Abdo- 

 men green, with six or more black transverse bands of 

 varying width. Cornicles larger than in the apterous 

 female, with mouths expanded. Cauda very small, 

 green, and hairy. Legs ochreous. The whole insect is 

 hirsute. "Wings rather large; membrane delicately 

 punctured ; insertions yellow. Cubitus and stigma 

 black. Rostrum reaches to the third coxse. 



Varieties of the winged insect occur wholly black. 



The oviparous female usually contains four or five 



