42 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 119 



Key to Species of Neodactylota 



BASED ON MACULATION 



1. Head with metallic lead-colored scales on vertex and occiput. 



basilica, new species 

 Head without metallic colored scales 2 



2. Dark spots of fore wing well defined, surrounded by narrow margin of pale 



colored scales 3 



Dark spots of forewing not well defined, not margined by pale colored scales. 



egena, new species 



3. Second and third segments of labial palpus dark gray with scattered gray 



white scales, an anterior gray white line on third segment. 



snellenelia (Walsingham) 

 Second and third segments of labial palpus pale yellow, third segment be- 

 coming brown apically liguritrix, new species 



PARTIAL KEY BASED ON MALE GENITALIA 



1. Medial invagination of juxta extending to base of juxta. 



snellenelia (Walsingham) 

 Medial invagination of juxta one-third length of juxta 2 



2. Distal costal lobe of valva curved and slightly twisted, very slender on distal 



half liguritrix, new species 



Distal costal lobe straight, gradually tapering to apex. 



basilica, new species 



PARTIAL KEY BASED ON FEMALE GENITALIA 



1. Eighth tergum produced medially (fig. 157) .... basilica, new species 

 Eighth tergum not produced medially 2 



2. Eighth sternum heavily sclerotized, caudal margin emarginate medially, a 



semicircular sclerotized band parallel with caudal margin (fig. 156). 



egena, new species 



Eighth sternum lightly sclerotized, caudal margin not defined, no special 



sclerotized bands (fig. 155) snellenelia (Walsingham) 



Neodactylota snellenelia (Walsingham) 



Figures 38, 93, 95, 155, 215, 216 



Dadylota snellenelia Walsingham, 1888, Insect life, vol. 1, p. 84. 



Neodactylota snellenella.—Busck, 1903, Proc. U.S. Nat. Mus., vol. 25, p. 836. 



Maciilation: as in figure 38. Head: tongue mottled gray white 

 and brown basally; maxillary palpus gray white with a few brown 

 scales, folded over base of tongue; first segment of labial palpus 

 mainly white with some browTi and bro\vn-tipped scales; second seg- 

 ment brown with several white scales, white scales more numerous 

 basally, third segment mainly brown, anterior surface white; scape of 

 antenna brown, scale bases pale, with an anterior white fine and a 

 posteroapical white scale row, shaft pale yellow on anterior surface, 

 dorsal surface brown basaUy, segments brown and pale yellow short 



