168 



dark grey line across, a little above the middle; another 

 rather more waved one lower down, followed by a fainter 

 third one, the space between being sometimes filled in 

 with a shade of darker grey, the outer margin with a row 

 of minute black dots. 



Localities for this species are Brighton, Falmouth, 

 Faversham, Dorking, Worcester, Uppingham, Humber- 

 stone, Anstey. 



The perfect insect appears in June and^July. 



The caterpillar is dark brown on the fore part and 

 beyond the middle, the remainder yellowish-grey, with 

 slanting brown lines along the back, and a whitish line on 

 the sides with a white spot above it. 



The date of the appearance of the caterpillar is in April 

 and May. 



It feeds on the common avens, (Geum urbanum). 



The chrysalis is found under the earth. 



ACIDALIA 1NORNARIA. 



PLAIN WAVE. 

 Plate XXIV. Figure 13. 



THIS insect measures from a little over an inch to an 

 inch and a quarter across. 



Male: fore wings dull yellowish-grey. The first line is 

 dark grey, second line dark grey; central line grey but 

 indistinct, and not extending to the upper margin; central 

 spot blackish. Hind wings also with a central dark dot. 



