March, 1914] FORBES : NoCTUID.E OF NORTH AMERICA. 7 



43. Ees half as wide as front, front rough 44. 



Eyes with the facetted part about two-thirds as wide as the front, 



Heliotliis (ononis). 

 Eyes about as wide as the front 45. 



44. Fore tibia about four times as long as wide, with moderate spines, 



Agrotiphila. 

 Fore tibia about 3 times as long as wide, with two pairs of heavy 



terminal claws Melaporphyria (22). 



Fore tibia about twice as long as wide, with heavy claws. . . . Heliophana. 



45. Tongue rudimentary, much shorter than thorax; front rough, but fairly 



flat, fore tibiae about twice as long as wide, with one terminal claw 



about half as long as itself Eucoptocnemis. 



Tongue functional, or with lightly spined fore tibiae 46. 



46. Front rough and granular, dull, strongly rounded out, fore tibia normally 



with heavy claws or spines 47. 



• Front shining and rarely projecting more than a third the width of the 

 eyes; fore tibiae slender and usually with light spines 55. 



47. Mid-, and hind-metatarsi without an upper row of spinules 48. 



Metatarsi with several subdorsal outer spinules, forming a sparse fourth 



row Feltia (21). 



48. Fore tibia with two inner and three to five outer claws, 



Lygranthcccia (23). 



Fore tibia with a single inner terminal claw much longer than the pre- 

 ceding spines, the outer not much larger than the preceding ones, 

 which are graded in size 49. 



Fore tibia with both inner and outer claws several times as large as the 

 immediately preceding spines, or with only these two claws .... 52. 



49. Abdomen with conspicuous basal tuft 50. 



Abdomen with basal dorsal tuft absent or covered by the thoracic 



vestiture 51. 



50. Fore wing violet fin the Mississippi valley species), 



Dasyspoudara (24). 

 Fore wing red or orange Rhododipsa. 



51. Vestiture overlaid with hair, wings pink and straw yellow, 



Rhodophora (Alaria). 



Vestiture rough, with anterior and posterior tufts, or with imbricate 



spatulate scales, rarely pink and yellow Schiiiia (25). 



52. With the two end-claws only, or with one or two spinules ; male with 



distorted venation and hyaline streaks on fore wing, 



Heliocheilui (26). 

 With several spinules on fore tibia, male normal S3, 



53. Fore tibia two and a half times as long as wide 54. 



Fore tibia much more slender Heliotliis (with Chloridea). 



54 Hind wing contrastingly marked Eupanychis. 



Hind wing all dull yellow-brown Schinia (saturata). 



55. Palpi upturned to vertex, wings large, broad, with even outer margin, 

 tongue weak Pteroscia. 



