358 LEPIDOPTERA. 



East France, Central Italj"-, Dalmatia, and Persia ; and in 

 North America in New iingland and California. 



Genus 4. AMBLYPTILUS. 



AntennEe simple ; palpi thick, laterally compressed, ascend- 

 ing, pointed ; head with a small pyramid of scales on the 

 forehead ; fore wings cleft about one-fourth of their length, 

 the sections broad and angulated ; on the dorsal margin 

 having one or two projecting tufts of scales ; hind wings 

 deeply divided, the segments slender, the third having a 

 tooth-like tuft of scales. Legs very long. 



We have two species, very similar except in colour. 



A. Fore wiugs pale reddish-brown with chocolate-black 

 markings. A. acanthodactylus. 



A^. Fore wings pale greenish-brown with olive-black 

 markings. A. inmdidadylus. 



1. A. acanthodactylus, Hah. — Expanse ^ inch (20- 

 23 mm.). Fore wings narrow, sharply pointed, their dorsal 

 margins toothed ; pale reddish-brown with red-black costal 

 triangle and dots. Hind wings brown-grey. 



Antennas of the male simple, short, dark brown dotted 

 with white ; palpi short, pointed dark chocolate ; head and 

 thorax reddish-brown ; abdomen brown, prettily marked 

 with slender, crossing, white lines. Fore wings very narrow, 

 and only moderately broadened behind ; costa slightly arched 

 beyond the middle ; apex pointed ; hind margin decidedly 

 hollowed ; dorsal margin concave, but furnished in the 

 hollow with one or two small projecting teeth of scales ; pale 

 reddish-brown, dusted from the base with white, and faintly 

 barred with the same along the darker brown costa ; at about 

 one-third of the length of the wing is an oblique, ill-defined, 

 brown transverse stripe ; beyond the middle a shallow red- 

 black costal triangle preceded by a brown-black tooth on the 

 dorsal margin ; beyond the triangle is a yellow-red spot, 



