CONSPECTUS OF MOTHS. 35 
PTEROSTOMA (GERMAR). 
THE PALE PROMINENT (Plerostoma Palpina, Curtis) appears 
the beginning of June and end of August. Wing's of the male one 
inch one-half to five sixths, female one inch five-sixths to two 
inches one-sixth ; first pair greyish white, with black streaks and 
nervures, behind the middle an indistinct double row of black 
spots, and a similar one on the hinder margin, the spots being 
placed between the nervures, fringe pale yellow with dusky and 
brown. Caterpillar, smooth, green, solitary, with a yellow stripe 
on the sides ; feeds on willow, poplar, and lime, Pupa reddish 
brown. Rather uncommon. Herts, Essex, Kent, and Surrey. 
PTILOPHORA (SrEPHENs). 
Tue PuumirEeRous (Plilophora variegata, StEPHENS) appears 
the end of October. Wings of the male one inch one-third to one- 
half, female one inch one-half to two thirds, rusty yellow; first 
pair with a yellowish bow-like streak behind the centre, nervures 
dingy, margin and fringe rust brown. Caterpillar, pale green, 
with bluish line on the back, and three white ones on the sides ; 
feeds on maple, birch, and sallow. Pupa red-brown. Rather 
uncommon. Darenth wood. 
CHAONIA (Srernens). 
Tas Lunar MAnsiep (Chaonia Roboris, SrerHENs) appears 
in June. Wings of the male one inch one-third to seven-twelfths, 
female one inch two-thirds, ash-coloured, with two wavy white 
streaks, and a central broad white band, with a brown crescent. 
Caterpillar, green or brown, with two yellow lines on the back, 
and a paler one on each side; feeds in September on the oak. 
Scarce. Middlesex, Kent, Surrey and Norfolk. 
Tur DoponeAN (Ch. dodonea, SverHeNns) appears in June. 
Wings of the male one inch one-third to one-half, female one inch 
one-half to two-thirds, greyish ash; first pair variegated with 
brownish at the base, a broad band in the centre, with two wavy 
streaks, white; a triangular dingy blotch on the upper edge, 
fringe white and brown. Caterpillar, green, with a bright orange 
yellow stripe on the sides ; feeds on the oak. Notcommon. Kent 
and Surrey. 
Tae OAKEN (Ch. querna, SternHens). Said to be British on 
doubtful authority. 
PETASIA (STEPHENS). 
Tae SprawweEr (Petasia Cassinea, STEPHENS) appears in Octo- 
ber. Wings of the male one inch one-half to three-fourths, 
female one inch two-thirds to five-sixths, grey; first pair with a 
black line at the base and another on the inner margin, with 
smaller scattered black streaks, and a pale indistinct and almost 
imperceptible interrupted streak towards the hinder margin ; 
Second pair with dingy spots and nervures; amarginal line dotted 
with black. Caterpillar, bright green, with a pale line on the 
back and two yellow lines on the sides ; feeds on lime, sallow, 
D2 
