88 
THE GREAT EGGER MOTH. 
Phalena Quercus. 
PLATE XXXI, 
Phalena Quercus, Merian’s Insects of Europe, i. t. 10.— 
Harris's Aurel. pl. 29, fig. a, b,c, d, e. f.—Donovan’s 
Brit. Ins. iii. p. 83, pl. 103 and 104,—Lasiocampa Quer- 
cus, (Schrank,) Rennie’s Conspectus, page 37. 
Tue antenne of the male are feathered, the 
wings are of a dark reddish brown, with a 
bright yellow bar across each, and a clear white 
spot on the centre of each of the superior wings. 
The female has the same markings as the male, but 
of a paler colour. The wings of the male are two 
inches and one-half to five sixths; those of the 
female three inches one-twelfth to one-fourth. 
In the caterpillar condition it is hardly possible 
to distinguish the male from the female, except 
that the former is smaller than the latter; they 
are of a pale yellow, with black lines, and slanting 
white streaks on the sides; but in the last state 
their colours are entirely different, the female being 
of a pale yellowish tint, inclining to fox colour ; 
the male is of a rich brown. 
The caterpillars of the Great Egger Moth feed 
on the white and black thorn, ash, birch, oak, wil- 
