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HYBERNIA DEFOLIARIA. 
MOTTLED UMBER. 
Plate XXVII. Figure 13. 
This insect measures from a little under to a little over 
an inch and three quarters across. 
Male: fore wings pale dull yellowish, mottled with yel¬ 
lowish-brown, and dusted with brown. The first line 
much bent in an angle ; second line bent in three angles, 
and followed by a dark shade ; central spot dark brown, 
the outer margin spotted with brown. Hind wings dull 
yellowish-grey dusted with darker, and with a small brown 
central spot. 
The female is without wings. 
Localities for this widely distributed and rather common 
species are York, Brighton, Darenth Wood, Marlow, Bow- 
don, Exeter. 
The perfect insect appears in October and November. 
The caterpillar is reddish-brown on the back, with a 
broad yellow line on the sides, and a red spot on each 
segment. 
The date of the appearance of the caterpillar is in May 
and June. 
It feeds on the blackthorn, the whitethorn, &c. 
The chrysalis is placed under the ground. 
