162 



Male : fore wings dull yellowish- white dusted with grey 

 The first line is rather dark grey and waved; second line 

 also dark grey and waved but less distinct; central shade 

 rather dark grey; central spot black; the outer margin 

 dotted with black. Hind wings also dull yellowish-white, 

 dusky near the inner corner, and with some waved dusky 

 lines across, following the outer margin, which has a row 

 of black dots; central spot blackish. 



Localities for this species are Stowmarket, Manchester, 

 Exeter, Brighton, Lyndhurst, Lewes, Bristol, Barnstaple, 

 Newnham, Ardrossan. 



The perfect insect appears in July and August. 



The caterpillar is dark brownish green, with two rows 

 on each side of greenish-white streaks. 



The date of the appearance of the caterpillar is in June. 



It feeds on the pink, the nettle, and the yarrow, (Achil- 

 Icea millefolium.j 



The chrysalis is subterranean. 



ACIDALIA STRAMINARIA. 



DOTTED BORDERED WAVE. 



Plate XXIY. Figure 4. 



THIS insect measures about three quarters of an inch in 

 expanse 



Male: fore wings pale dull yellowish-grey dotted with 

 blackish, and with a distinct row of black spots on the 

 outer margin. The first line is grey and curved; second 

 line also grey and waved; central line pale brownish and 

 slightly curved, central spot black. Hind wings also with 

 a distinct row of black dots on the outer margin. 



