TRIFID^E. 171 



portions ; Northern Italy, Sicily and the mountains of Greece ; 

 Northern Turkey, Southern Russia, and the Central Asian 

 mountain districts. 



Genus 90. ACONTIA. 



Antennas ciliated; eyes naked, without lashes; thorax only 

 moderately stout, crested at the back ; abdomen more slender, 

 not very short, not crested ; fore wings rather broad, of 

 moderate length, very blunt, brightly coloured ; hind wings 

 also usually brightly coloured, very broad, the cross-bar long 

 and angulated, and vein 5 from below the middle. 



We have three species, widely different from each other. 



A. Hind wings white with a broad black border. 



B. Fore wings white, very broadly banded from the 

 middle with black-brown, but with a large white spot on 

 costa and at anal angle. A. Solaris. 



B 2 . Fore wings black-brown with a large white costal 

 blotch. A. luctuosa. 



A 2 . Hind wings greyish-white, shining. 



B 3 . Fore wiugs pinkish-white with olive-brown or pale 

 chestnut blotches. A. vcnustula. 



1. A. luctuosa, Esjp. — Expanse 1 inch. Fore wings 

 short and broad, black-brown rather marbled with grey and 

 white ; a costal white blotch beyond the middle extends more 

 than halfway across the wing. Hind wings black with a broad 

 central white band, and white clouds in the hind margin. 



Antennas of the male short, simple, most minutely ciliated, 

 brown-black ; palpi of the same colour, short, slender, and 

 pointed, and having a small fringe of whitish scales along the 

 lower edge ; eyes glossy black-brown spotted with deep black ; 

 head unusually smooth, smoky-black ; thorax similar, narrow, 

 the scales large and tipped with a purple lustre ; back crest 

 depressed but divided into two tufts which are tipped with 

 chocolate ; fascicles smoky-grey ; abdomen slender, dark 

 smoky-brown dusted with white ; lateral tufts small, dusky- 



