72 



The perfect insect appears in June, July, and August. 



The caterpillar is greyish black, with a broad pale 

 yellow line along the back, a large black prominence 

 on the fifth segment, and a short black one on the twelfth. 



The date of the appearance of the caterpillar is in 

 August, September, and October. 



It feeds on various plants. 



The chrysalis is found in a cocoon amongst moss, or 

 in crevices of bark. 



ACRONYCTA LEPOR1NA. 



MILLER. 

 Plate XLI. Figure 7. 



Localities for this species are York, Rotherham, Pern- 

 bury, Askham Bog, Langwith, Brighton, Canterbury, St. 

 Osyth's, West Wickham, Balcombe, Manchester, Bristol, 

 Plymouth, Bere Forest, Sherwood Forest, Huddersfield, 

 Stowmarket, Crewe, Lewes, Tenterden, Worthing, Derby, 

 Lyndhurst, Preston, Glasgow, Carlisle, and near London. 



The situations where it is found are woods. 



The perfect insect appears in June and July. 



The caterpillar is pale green, thickly covered with long 

 white hairs, and a few dark ones on the second, third, 

 fourth, eleventh, and thirteenth segments. 



The date of the appearance of the caterpillar is in 

 August and September. 



It feeds on the birch. 



The chrysalis is found in a cocoon among moss or in 

 crevices of bark. 



