199 
HYBERNIA LEUCOPMARIA. 
SPRING USHER. 
Plate XXVII. Figure 10 
This insect measures from an inch and a quarter to 
nearly one and three quarters in expanse. 
Male: fore wings greyish-brown, much mottled with 
brown of two shades. The first line blackish and curved; 
second line also blackish, much waved, and slanting to the 
middle of the lower margin, with a broad dark shade on 
its outer edge extending to traces of a third line; 
central line rather wide and blackish-brown. Hind 
wings rather grey, with a brown rather obscure central 
dot, and parts of the two or three slightly waved lines 
running outwards from the inner margin. 
The female is without wings. 
Localities for this species, which is a common one 
throughout the country, are York, Brighton, Barnstaple, 
Stowmarket, Dunham Park, &c. 
The situations where it is found are oak woods. 
The perfect insect appears in February and March. 
The caterpillar is yellowish-green,mottled with whitish 
marks edged with dark green, and a pale yellow line on 
each side below the back. 
The date of the appearance of the caterpillar is in May 
and June. 
It feeds on the oak. 
The chrysalis is subterranean. 
