March, 1914] FORBES : NoCTUID,E OF NoRTH AMERICA. 11 



Lashes short, inconspicuous and simple, anal angle well-marked, and often 

 scale-tufted. Hypemni 175. 



100. Markings in part of raised black scales Abrostola. 



Wings smoothly scaled Pliisia (40). 



1 01. Fore metatarsus with some enlarged spines on outer side, these spines 



about as long as width of tarsus (trifidse) 102. 



Fore tarsus normal 104. 



102. Eyes naked in front, obscurely lashed behind Rlwda^cia (41). 



Eyes strongly lashed 103. 



103. Vestiture of fine hair, male antennae pectinate Psectraglcea (42). 



Vestiture somewhat mixed, male antennae not pectinate Harpaglaa (43). 



104. Hind wing twice as wide as the very narrow fore wing, and triangular, 



Magusa. 

 Fore wing proportionately broader, and hind wing not triangular .... 105. 



105. Collar hood-like, movable, forming a high crest when turned back and 



projecting over head when turned forward 106. 



Collar moderate in size and not strikingly movable 107, 



106. Eyes lashed strongly, wings lanceolate, vestiture deep and hairy, 



Cucullia. 

 Eyes naked, vestiture more scaly Catabena. 



107. Hind wing translucent white except at margin and veins; wings long; 



palpi upturned and closely appressed, thorax with mixed vestiture, 

 smooth in front, but with a strong divided or spreading tuft 



behind 108. 



Hind wing opaque; or otherwise of entirely different structure 109. 



108. Abdomen with several tufts, the first large and hood-shaped. . Prodenia. 

 Abdomen with small basal tuft only Laphygma. 



109. Fore wing distinctly angnlate at M3 and sometimes strongly so and 



irregular no. 



Fore wing with outer margin perfectly even, slightly concave below apex 

 and above anal angle, — these angles both acute, orbicular with slightly 

 raised white scales Alabama (44). 



Fore wing with margin often wavy and sometimes slightly bent, but 

 never angled at M3 or with even outer margin and acute anal 



angle 1 1 7- 



no. Eyes heavily lashed Eucirrhocdia. 



Eyes not distinctly lashed ■. 1 1 1. 



111. Orbicular marked by a small but distinct raised white tuft .... Anomis. 



Orbicular not marked by a raised white dot 112. 



112. A small hyaline dot. Outer margin nearly even, except for the angle at 



M3 and falcate apex ; palpi beak-like Dercetis. 



No hyaline dot 1 13- 



113. Anal angle strongly scale-tufted Eriopiis (45). 



Anal angle not marked by a scale-tuft 114. 



