104 
The date of the appearance of the caterpillar is in Jane 
and July. 
It feeds on the plum, the oak, the willow, &c. 
SELENIA LUNARIA. 
LUNAR THORN. 
Plate XVIII. Figure 4. 
This insect measures from a little under to a little 
over an inch and three quarters across. 
Male : fore wings a mixture of pale grey and dull yel¬ 
low, the first line blackish and much bent, the second line 
also blackish and nearly straight, enclosing a patch of yel¬ 
low-brown, there is also a patch of rich reddish-brown 
at the outer corner. Hind wings greenish-yellow, with 
a dark spot near the centre, from which a dark line 
runs to the inner side. 
Localities for this species are York, Doncaster, Wake¬ 
field, Scarborough, Brighton, Plymouth, Dulwich, Black 
Park, Lewisham, Sudbury, Worcester, Pemburj', Dur¬ 
ham, Stowmarket, Bristol, Lower Guiting, Darlington, 
Manchester, Lymington. 
The perfect insect appears in June. 
The caterpillar is grey mottled with brown and reddish- 
brown, the third segment with a dark brown prominence, 
and the sixth and the ninth also with prominences. 
The date of the appearance of the caterpillar is in 
September. 
It feeds on the oak, sloe, whitethorn, elm, &c. 
