196 LEPIDOPTERA. 



1874 it became more generally known, and as the moth was 

 then very common in portions of the wood which were com- 

 paratively open, with scattered clumps of bushes and a thick 

 undergrowth of rank grass, dewberry, and other herbage, large 

 numbers were secured. Constant persecution has, however, 

 rendered it very much scarcer, and there is serious danger of 

 its extermination in this, its only known reliable locality in 

 these Islands. A single specimen has been secured by Mr. 

 W. H. B. Fletcher in the Isle of AVight. Abroad it is widely 

 distributed, though not very common, in Eastern France, 

 Holland, Germany, Hungary, Dalmatia, Piedmont, Sardinia 

 and in Bithynia and other parts of Asia Minor. 



Family G. LITHOSIDiE. 



Antennae slender, threadlike, in the male with rows of 

 bristles ; collar conspicuous, thorax narrow and weak ; abdo- 

 men rather slender but blunt ; fore wings long and narrow, of 

 delicate texture; hind wings ample, very thin. 



LARViG with sixteen legs, hairy. 



PuPiG short, smooth, in a close cocoon. 



Genus 1. NUDARIA. 



Fore wings short and rather broad, rounded behind, very 

 thin and weak, semi-transparent ; hind wings very broad and 

 filmy. Thorax slender and very weak. 



LARViG bristly, short and sluggish. 



1. N. senex, Hi\h. — Expanse, | inch. Fore wings short, 

 broad, semi-transparent, brownish, with a dark brown dot ; 

 hind wings rather large and similar. 



Antennas rather short and threadlike, fringed in the male 

 with short bristles, pale brown ; head, thorax, and abdomen 

 narrow and weak ; pale brown. Fore wings short, broad, rather 



