30 CONSPECTUS OF MOTHS. 
Tur OrANceE Swirr (H. sylvinus, OcHSENHEIMER) appears in 
August and September. Wings of the male one inch to one inch 
one-third, female one inch one-half to five-sixths; male above 
yellowish-brown, with a wavy slanting white streak at the base, 
and another at the hinder margin; a small indistinct brown 
spot on the disc, bound internally with white near the centre, 
The female has a large patch of dingy white at the base, anda 
row of darkish spots on the upper edge. Second pair brown, 
with a yellowish margin. Not rare. Lee, Birchwood, near 
Hertford, Stoke Newington, and York. 
ZEUZERA (LATRIELLE.) 
Tae Woop Lrorarp (Zeuzera Alsculi, LATREILLE) appears 
in July. Wings of the male two inches one-sixteenth, female 
two inches two-thirds to five-sixths ; somewhat naked, and trans- 
lucent ; snowy-white, with the veins and upper edge yellowish; 
thickly scattered over with numerous bluish-black spots. Second 
pair more faintly, and not so numerously spotted, except on the 
margins ; spotless at the inner angle. Thorax white, with twelve 
black spots. Caterpillur, deep yellow, dotted with black, head 
and tail black ; feeds on the wood of the pear and apple, walnut, 
elm, lime, horse-chestnut, ash, beech, birch, oak, &c. Chrysalis 
pale brown. Rather rare. Norfolk, Warwick, Wilts, Essex, Cam- 
bridge, and Surrey. 
COSSUS (Fasrictus). 
Tue Gorn Morn (Cossus ligniperda, Yapricius) appears the 
end of June andbeginning of July. Wings of the male two inches 
five-tenths to three inches one-fourth, female three inches one- 
half to three-fourths; clouded with grey and brown, with nu- 
merous slanting black streaks: corsclet whitish, with a poste- 
rior black band. Caterpillar, dull yellow, with a brown-red back, 
yellowish underneath, head black, with eight brown spiracles on 
each side; feeds upon oak, willow, aspen, and poplar. Pupa 
brown, with indented fringes to the segments. Not common. 
Near London, Kingston, Bottisham, and Deptford, 
Ss 
NOTODONTIDZ (SreruENs). 
PYGARA (OcusENHEIMER). 
Tue Burr Tre (Pygera bucephala, OcusENUNEIMER) appears 
the middle or end of June. Wings of the male two inches one- 
sixth to one-half, female two inches two-thirds to eleven-twelfths. 
First pair silvery ash, with a double anterior streak, rust-co- 
loured black; also a double posterior streak, interrupted and — 
more wavy black, rust-coloured, with a large yellow spot at the 
tip. Caterpillar, hairy, dusky yellow, above spotted with black, 
head black, with a yellow spot, legs outwardly black, inwardly 
yellow; feeds on the lime, oak, willow, elder, elm, and chestnut. 
Pupa subterraneous, brown spotted with yellow. Common, 
