167 
ACIDALIA EMUTARIA. 
DUSKY WAVE. 
Plate XXIY. Figure 11. 
This insect measures from a little under an incli to an 
inch in width. 
Male: fore wings white, with a faint tinge of pink. 
The second line only composed of dots of a blackish colour 
preceded by a hand of pale grey ; central shade grey but 
indistinct; central spot grey. Hind wings with a central 
dot, and an obscure slanting red band across the middle. 
Localities for this species are Lyndhurst, the New 
Forest, St. Osyths, Faversham, Deal. 
The perfect insect appears in June, 
ACIDALIA AVERSARIA. 
RIBBON WAVE. 
Plate XXIY. Figure 12. 
This insect measures from a little over an inch to an 
inch and a quarter in width. 
Male : fore wings dull yellowish-grey, tinged faintly 
with red and dusted with a darker grey, the outer margin 
spotted with black. The first line is dark grey, second 
line dark grey, third line dark grey with a darker grey 
shade beyond it occasionally; central shade grey on 
the outer half in some specimens ; central spot blackish. 
Hind wings dull yellowish grey, with a slightly waved 
