Revision of the American Notodontidze. 279 



This species is widely spread and varies considerably ; 

 Brazilian and Trinidad specimens are usually paler with 

 the markings more defined. 



CONTREBIA. 

 Contrcbia, Walk., Cat. Lep. Het., B. M., ix, p. 134 (1856). 



Antennae fasciculate. Palpi porrect, third joint long. Primaries 

 long ; apex acute, slightly falcate ; vein 5 from above centre of 

 discocellular ; 6 from upper angle of cell ; 7 and 8 from end of 

 areole ; 10 from just before end of areole. Secondaries : veins 3 

 and 4, also 6 and 7 stalked. 



Type. C. extrema, Walk. 

 Extrema, Walk., 1. c. (1856). 



Hyparpax. 



Hyparpax, Htibn., Samml. Exot. Schmett., ii. (1824). 

 Sangata, Walk., Cat. Lep. Het., B. M. xx, p. 265 (1860). 



Antennae pectinated to tips. Palpi : third joint short. Primaries : 

 vein 5 from centre of discocellular ; 6 from areole usually near upper 

 angle of cell ; 7, 8, 10 from end of areole. Secondaries : veins 3 

 and 4 apart ; 6 and 7 stalked. 



Type. H. aurora, Sm. and Abb. 



Aurora, Sm. and Abb. (Phalsena), Lep. Georg., ii, t. 87 

 (1797) = Rosea, Walk. (Sangata), 1, c, xx, p. 265 

 (1860) = Venusta, Walk. (Dryocampa), 1. c, xxxii, 

 p. 574 (1865). 



Perophoroides, Strecker (Cosmia), Proc. Acad. Nat. Sci. 

 Phil. (1876), p. 152 = Aurostriata, Graef. (Hypar- 

 pax), Ent. Amer., iv, p. 58 (1888). 



Venus, Neum., Can. Ent., xxiv, p. 226 (1892). 



Kalhoma, gen. no v. 



Antennae with short pectinations to tips. Palpi porrect ; third 

 joint smooth. Legs thinly haired. Primaries long ; apex and outer 

 margin well rounded ; areole long, very narrow ; vein 5 from above 

 middle of discocellular ; 6 from areole near cell ; 7, 8, 10 from end 

 of areole. Secondaries : veins 3 and 4 from a point ; 6 and 7 

 stalked. 



Type. Kalhoma alba, Druce, 



