99 



Male: fore wings orange, finely streaked all over with 

 small brown lines. Hind wings orange speckled with 

 brown. The antennae are pectinated. 



Female: fore wings pale orange yellow. 



Localities for this species are York, Edlinton Wood 

 near Doncaster, Stowmarket, Pembury, Black Park, 

 Plymouth, Lymington, Lewes, Barnstaple, Worthington, 

 Tenterden, Plumstead, Horndean, Exeter, West Looe, 

 Brighton, Bristol. 



The situations where it is found are woods. 



The perfect insect appears in June and July. 



The caterpillar is variable, brown, yellowish-brown, or 

 buff, with paler markings, with two small points at the 

 tail, and a double hump on the fifth, ninth, and twelfth 

 segments, the last the smallest. 



The date of the appearance of the caterpillar is in 

 October, April, and May. 



It feeds on the plum, &c. 



METROCAMPA MARG ARITAHIA. 



LIGHT EMERALD. 

 Plate XVII. Figure 8. 



THIS insect measures from under an inch and a half 

 to nearly two inches in expanse. 



Male: fore wings pale green, first line white, second 

 line also white, edged with a darker shade of olive-green 

 on its inside edge. There is a small reddish-brown speck 

 on the outer corner. Hind wings pale green, crossed by 

 a white line edged with a darker shade of olive-green 

 on its inside edge. 



