38 CONSPECTUS OF MOTHS. 
fourth, female one inch one-sixth to five-twelfths; first pair 
ashy-grey, with two curved streaks and a central spot dingy; 
second pair brownish; the female is darker than the male, and 
has the second pair of wings without spots. Caterpillar, hairy, 
black with white bands, and four rusty warts; feeds on white 
thorn, sloe, and willow. Pupa dusky brown, Rather scarce, 
Essex, Kent, Surrey. 
PCCILOCAMPA (SrEerHeEns). 
Tue December Mora (Pecilocampa Populi, StePHENS) ap- 
pears in December. Wings of the male one inch one-fourth to 
five-twelfths, female one inch one-sixth to two-thirds; chestnut 
brown; first pair with a pale and very incurved streak near the 
base, and not reaching to the inner margin, and a second waved 
behind the middle, the fringe grey and brown; the abdomen 
tawny brown; thorax black, anteriorly light grey. Caterpillar 
ashy-grey, darker on the back, with four reddish spots on each 
ring ; feeds on oak, aspen, birch, poplar, lime, rose-tree, white 
thorn, and fruit trees. Pupa ina silken case. Not common, 
York, Essex, Herts, Kent, and Surrey. 
ERIOGASTER (GrerMAr). 
Tue SMALL Ecoer (Kriogaster Lanestris, G2RMAR) appears 
in February and March. Wings of the male one inch one-sixth 
to one-third, female one inch one-half to five-sixths; pale red; 
first pair with a large spot at the base, a spot on the disc, and 
an indistinctly indented streak towards the hinder margin, all 
white; second pair pale ash coloured in the male, grey in the 
female. Caterpillar, at first social, hairy, black, with three white 
spots on each ring, between two red spots; feeds upon sloe, 
birch, lime, willow, fruit trees, white thorn, &c, Pupa brown, 
Rather scarce, Essex, Kent, Herts, and Cambridge. 
CNETHOCAMPA (SrerHeEns),. 
Tue Procession (Cnethocampa Processionea, STEPHENS), 
Said to be British on doubtful authority. 
Tue Pine Procession (Cn. Pityocampa, SreeHENS) appears 
in summer. Wings one inch two-thirds; first pair grey with 
three dusky waved streaks ; second pair pale, with a dusky blotch 
at the hinder angle. Caterpillar, blackish, with a whitish line 
on the sides, with yellow hairs on the back, and white on the 
sides; feeds on various kinds of pine and fir. Pupa brown. 
Very rare, Devonshire. 
CLISIOCAMPA (Curtis). 
Tur Grounp LAckey (Clisiocampa castrensis, Curtis) ap- 
pears on the sea coast in August. Wings of the male one inch 
one-sixth to one-third, female one inch one-half to three-fourths; 
first pair pale straw-colour, with two red streaks, and clouded 
with red; fringe pale yellow, spotted with red. Caterpillar, 
bluish, with red and black streaks on the back, and red lines on 
the sides ; feeds on yarious plants, sea-wormwood, birch, plan- 
