151 
ASTHENA SYLVATA. 
WAVED CARPET. 
Plate XXIII. Figure 3. 
This insect measures a little under an inch in expanse. 
Male: fore wings whitish, sprinkled with brown atoms, 
with numerous waved darker lines across, one streak near 
the base, and a bar of several across the middle, beyond 
which is another waved brownish line, and a row of dots 
on the outside margin : the fringe greyish. Hind wings 
whitish, crossed with some irregular streaks or lines of 
brown. 
Localities for this species are York, Brighton, West 
Looe, Bristol, Chat Moss, Manchester, Pembury, Stowe 
Wood, Lower Guiting, Huddersfield, Preston, Worthing, 
Darlington, Tenterden, Worcester, Newcastle-on-Tyne. 
The perfect insect appears at the end of May, and is 
out in June and July. 
The caterpillar is of a lilac colour, changing to green 
on the sides of some of the segments, the second, third, 
fourth, and two hindmost; while above the sides of the 
sixth, seventh, and eighth segments are black spots sur¬ 
rounded with white, and a slanting streak of white on 
the sides. 
The date of the appearance of the caterpillar is in 
August. 
It feeds on the alder. 
The chrysalis is placed among leaves or in moss. 
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