117 



The perfect insect appears in March and the beginning 

 of April. 



The caterpillar is of a marbled appearance, greyish- 

 brown with darker markings and white dots of different 

 sizes, and two small reddish prominences on the eighth, 

 ninth, and twelfth segments. 



The date of the appearance of the caterpillar is in 

 June, July, and August. 



It feeds on the oak, the birch, c. 



The chrysalis is found under the ground. 



AMPHIDASIS BETULARIA. 







PEPPER MOTH. PEPPER-AND-SALT MOTH. 

 Plate XIX. Figure 9. 



THIS insect measures from, a little over an inch and a 

 half to nearly two inches and a quarter in expanse. 



Male: fore wings white speckled all over, more or less 

 darkly, some specimens being almost black, with black 

 dots, and occasionally indications of the first and second 

 line, inclosing a central line, longer or shorter, from the 

 upper margin. Central spot black. Hind wings white, 

 speckled all over with black dots, and with two black lines 

 a short and a long one running inwards from the lower 

 corner, more or less distinctly in different individuals. 



Localities for this species, which is rather common 

 throughout the country, are Bromsgrove, Stoke Prior, 

 York, Sandal Beat near Doncaster, Beverley, Swinhope, 

 Nunburnholme, &c. 



