147 
with paler, and crossed by a line of rather darker dots ; 
central spot greyish white. 
Localities for this species are Lyndhurst, Worcester, 
Tenterden, Worthing, Lewes, and Brighton. 
The situations where it is found are woods. 
The perfect insect appears in May and August. 
The caterpillar is yellowish-green, with a yellowish 
line along the back edged with a darker shade, and a 
like line below it on each side. 
The date of the appearance of the caterpillar is in 
June and September. 
It feeds on the alder and the sallow. 
The chrysalis is affixed by a thread at the tail, and 
another encircling the body. 
EPHYRA PENDULARIA. 
BIRCH MOCHA. 
Plate XXII. Figure 12. 
This insect measures from a little under to a little over 
an inch in expanse. 
Male: fore wings whitish-grey, with a very faint tinge 
of pink; the first line is somewhat waved, reddish and 
scarcely continuous; secondline waved, sweeping inwards, 
and only composed of small red dots; central spot white, 
surrounded by a rim of red. Hind wings pale whitish 
grey, crossed by a row of minute dark dots, and with 
a central spot high up of white surrounded by a rim ot 
dark red. 
