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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. 
AHPHIDASIS 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 shortandalong 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. 
