LITHOSIA COMPLANA. 

 Plate IX. Figure 11. 



THIS insect measures an inch and a quarter, or a little 

 over, in expanse. Male: fore wings pale bluish-grey, 

 with a stripe of buff-yellow of equal width along the 

 upper margin. 



Localities for this species are Black Park, Deal, Dover, 

 Lewes, Worthing, Bisterne, Shrewsbury, Chat-moss, 

 Manchester, Bristol, Plymouth, Epping, and Stowmarkct, 

 College Wood, and Pennance near Falmouth, &c., &c. 



The perfect insect appears in July. 



The caterpillar is black, covered with short hairs. 

 There is a spotted stripe of yellow, red, and white, on 

 each side of the back, and another narrow one of reddish 

 yellow above the feet. 



The date of the appearance of the caterpillar is in 

 May and June. 



It feeds on the lichens which grow on the sloe or 

 wild plum, and the fir. 



LITHOSIA GRISEOLA. 

 Plato IX. Figure 12. 



THIS insect measures from about an inch and a quarter 

 or a little over, to nearly an inch and a half across. 

 Male: fore wings pale grey inclining to buff, and of a 

 glossy appearance; the upper margin narrowly marked 

 with yellowish. Hind wings yellowish grey. 



Localities for this species are Scarborough, Bisterne, 

 Kingsbury, Dorking, Halton, Bognor, Bipley, Wavendon, 



