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ACRONYCTA ACERIS. 
SYCAMORE MOTH. 
Plate XLI. Figure 8. 
Localities for this species are Faversham, Brighton, 
Lewisham, Cambridge, Tenterden, Birchwood, Lewes, 
Worthing, Dulwich, Stowmarket, Newhaven, Barnstaple, 
Black Park, Sudbury, Peterborough. 
The perfect insect appears in June. 
The caterpillar is yellowish, with long tufts of orange 
hair, and an angular-shaped white spot edged with black 
on the back of each segment. 
The date of the appearance of the caterpillar is in 
August. 
It feeds on the sycamore and the horse-chesnut. 
The chrysalis is found in a cocoon among moss or in 
crevices of bark. 
ACRONYCTA MEGACEPHALA. 
POPLAR GREY. 
Plate XLII. Figure 1. 
Localities for this species are York, Brighton, the 
Isle of Man, Lewisham, Taunton, Cambridge, Canter¬ 
bury, Manchester. 
The perfect insect appears in June and July. 
The caterpillar is yellowish grey, dotted with black 
along the back, and with reddish raised spots, the tenth 
segment with a large pale blot. 
VOL. II. 
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