Yl'SITETES RUBERARIA. 

 Plate XXXI. Figure 11. 



Localities for this species are York, Wimbledon, Bir- 

 kenhead, Barnstaple, and in the Fens of Cambridgeshire 

 and Huntingdonshire. 



The situations where it is found are the fens. 



The perfect insect appears in May and June. 



The caterpillar is dull white or greyish. 



It feeds on the sallow and the willow. 



The chrysalis is found among leaves. 



YPSIPETES IMPLUVIARIA. 



MAY HIGHFLIER. 

 Plate XXXI. Figure 12. 



Localities for this very plentiful species are York, 

 Fairbrook, Faversham, Brighton, Kilmun, Scarborough, 

 Carron, Stirling, Barnstaple, Darlington, Huddersfield, 

 Birkenhead, Edinburgh, Lyndhurst, Brighton, Exeter, 

 Halton, Manchester, Cambridge, Newcastle-upon-Tyne, 

 Pembury, Lower Guiting, Stowmarket. 



The situations where it is found are woods. 



The perfect insect appears in May. 



The caterpillar is yellowish, with a bluish-green line 

 along the back, and another of the like colour on each 

 side of it; the side line the same. 



The date of the appearance of the caterpillar is in 

 September. 



It feeds on the alder and the geranium. 



The chrysalis is found among leaves. 



