121 
CLEOKA LI0HENARI4. 
LICHEN MOTH. 
Plate XX. Figure 3. 
This insect measures from a little over an inch to one 
and a quarter in width. 
Male: fore wings a mixture of greenish white and grey, 
the first line black and slightly bent, the second line more 
distinct in some specimens than in others, very much bent 
and also indented especially on the middle part. Central 
spot black, but sometimes wanting, or only faintly visible. 
The outer margin spotted with black. Hind wings rather 
paler greenish-white and grey, with an indented black 
line across below the middle, and another similar one 
within the outer margin. Central spot dark, but not very 
visible. The antennas are pectinated to the tip. 
Localities for this species are York, Scarborough,Lower 
Guiting, Barnstaple, Pembury, Faversham, Cambridge, 
Charmouth, Exeter, Lewes, Darlington, Halton, Tenter- 
den, Nunburnholme, Lyndhurst, Kingsbury, S towmarket, 
Black Park, West Looe, Worthing, Worcester, Manchester. 
The situations where it is found are woods, gardens, 
and hedgerows. 
The perfect insect appears about the end of July. 
The caterpillar is greyish or greenish, with numerous 
prominences on the back, and black markings. 
The date of the appearance of the caterpillar is in 
September and May. 
It feeds on lichens, on the elm, the poplar, &c. 
The chrysalis is enclosed in a slight cocoon, and is 
to be found attached to the bark or moss on the tree. 
