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Localities for this species are Lyndhurst, Pembury,and 
Faversham. 
The perfect insect appears in June. 
ACID ALIA SUBSERICEARIA. 
SATIN WAVE. 
Plate XXIV. Figure 5. 
This insect measures a little over three quarters of an 
inch to nearly an inch in width. 
Male: fore wings whitish, crossed by four or five 
slightly waved grey lines, and with a row of rather indis¬ 
tinct blackish spots on the outer margin ; central spot 
blackish. Hind wings also crossed by four of the grey 
lines. 
Localities for this species are Worthing, Manchester, 
Ventnor, Darenth Wood, Lewes, Lyndhurst, Bristol. 
The perfect insect appears in June. 
ACIDALIA IMMUTARIA. 
LESSER CREAM WAVE. 
Plate XXIV. Figure 6. 
This insect measures a little under or a little over an 
inch in expanse. 
Male: fore wings whitish, finely dusted with black, and 
crossed with fine dull yellowish waved lines. The first 
