40 CONSPECTUS OF MOTHS. 
twelfth, female one inch two-thirds to three inches one-twelfth ; 
the male clouded with grey and brown; the female whitish 
with black streaks. Caterpillar, dingy black, with white lines, 
anteriorly blue, and posteriorly red; feeds on the elm, oak, lime, 
fruit trees, &c. Pupa brown. Very local, Surrey, Hunting- 
donshire, and Whittlesea-Mere. 
PSILURA (SrepHeEns), 
THE BLACK Arcues (Psilwra Monacha, SreeHENsS) appears in 
July. Wings of the male one inch one-fourth to three-fourths, 
female one inch three-fourths to two inches five twelfths ; first 
pair white, with black spots at the base, three or four waved 
Streaks behind the middle, and a marginal row of black spots; 
second pair dingy, with a black and white fringe. Caterpillar, 
ashy-brown, with red tufts on the back, and a black heart-shaped 
Spot on the second segment; feeds on the oak, bramble, &c. 
Pupa vlack. Very local. New Forest, Kent, and Surrey. 
DASYCHIRA (SterHens). 
Tae BuAck Tussock (Dasychira fascelina, STEPHENS) appears 
in July. Wings of the male one inch two-thirds to five-sixths, 
female one inch two-thirds to two inches one-sixth, ashy-brown; 
first pair sprinkled with black, with two dark brown streaks, and 
two slanting dingy spots near the hinder margin; second pair 
with an indistinct darker marginal band. Caterpillar, with tufts 
of hair, tipped with red, and white fur tufts on the back, with a 
brown tuft on the head and at the tail; feeds on various plants, 
trefoil, dandelion, hop, bramble, oak, &c. Pupa hairy brown, 
with a pale line on the back, Not common. Bedfordshire, 
Kent, and Surrey. 
THE YELLow Tussock (D. pudibunda, StrenENs) appears in 
June. Wings of the male one inch two-thirds to eleven twelfths, 
female one inch five-sixths to two inches one-sixth, ashy-white; 
first pair with three transverse dusky waved streaks, and a mar- 
ginal row of dingy spots; second pair with a central dingy 
crescent. Caterpillar, hairy, yellow, with a large red tuft on the 
tail, and four white ones on the back ; feeds on various trees in 
September. Pupa enclosed in a ease, anteriorly black, pos- 
teriorly brown, spotted with yellow. Not scarce. Essex, Kent, 
and Hampshire. 
— 
COLOCASIA (OcHSENHEIMER). 
Tue Nut-rree Tussock (Colocasia Coryli, OcHSENHEIMER) 
appears the beginning of April and middle of July. Wings of 
the male one inch one-twelfth to one-half, female one inch one- 
fourth to five-twelfths; first pair anteriorly brown, with a black 
ring and several small blotches 5 posteriorly ash coloured, with a 
dingy indistinct waved streak. Caterpillar, red, with two tufts 
of hair on the back, one on the tail and two on the neck ; feeds 
on hazel and birch. Pupa enclosed in a case; anteriorly black, 
posteriorly brown, Not common. Kent, Surrey, and near Dublin. 
