140 



and equally indistinct. Hind wings most delicate very 

 pale green. 



Localities for this species are York, Buttercrambe Moor, 

 Scarborough, Huddersfield, Glasgow, Cambridge, Exeter, 

 Manchester, Faversham, Barnstaple, Lower Guiting, Blean 

 Wood near Canterbury, Halton, Brighton, Stowmarket, 

 Charlton , Newnham , Plymouth , Bristol, Tenterden, Lewes, 

 Worthing, Darlington, Lyndhurst, Birkenhead, Kings- 

 bury. 



The situations where it is found are woods and hedge 

 sides. 



The perfect insect appears at the end of May, in June, 

 and the beginning of Jiily. 



The caterpillar is yellowish-green, with a reddish-brown 

 line along the back interrupted on each segment; head 

 reddish-brown. 



The date of the appearance of the caterpillar is in 

 August and September. 



It feeds on the birch. 



The chrysalis is placed in a cocoon among leaves. 



PHORODESMA BAJDLARIA. 

 BLOTCHED EMERALD. 

 Plate XXII. Figure 5. 



THIS insect measures from a little over an inch to one 

 and a quarter across. 



Male: fore wings green; the first line is waved and 

 whitish; second line also whitish and waved ending in a con- 

 spicuous blot of very pale dull yellowish-brown, surround- 

 ing a rather pale reddish-brown mark; the upper margin 

 is pale dull yellowish-brown. Hind wings green, edged 



