66 



The situations where it is found are woods. 



The perfect insect appears in August and September. 



The caterpillar is grey, with some minute white dots, 

 with a blackish line on each side ; the sides and under part 

 whitish, with a row of black dots above the legs. 



The date of the appearance of the caterpillar is in June. 



It feeds on the oak. 



CYMATOPIIORA OR. 



POPLAR LUTESTRING. 



Plate XL. Figure 6. 



Localities for this species are York, Canterbury, Lewes, 

 Darenth Wood, West Wickham, Halton, Stowmarket, 

 Bristol, Ten terden, Worthing, Cambridge, Marlow, Lower 

 Guiting, and near London. 



The situations where it is found are woods. 



The perfect insect appears in June and July. 



The caterpillar is pale yellowish green, with a darker 

 line along the back, and a yellowish side line. 



The date of the appearance of the caterpillar is July and 

 August. 



It feeds on the poplar. 



CYMATOPHORA OCULARIS. 



FIGURE-OF-80. 

 Plate XL. Figure 7. 



Localities for this species are Netley, Bristol, Brandon, 

 Birmingham, Stowmarket, Worcester, Cambridge, Halton. 



