566 PROCEEDINGS OF THE NATIONAL MUSEUM voi,. xxvn. 



ANGELA PERPULCHRA Westwood. 



1889. Angela ptrpulchra Westwood, Kev. Iiit*. Fain. IVIantid., p. 30; Nicaragua. 



Two females; Carillo and Tueurrique, Costa Rica. (Schild and 

 Burgdorf.) [U.S.N.M.] One of these specimens has the disk of the 

 wing-s sulphur yellow; the other has the same area very pale greenish 

 white. 



Genus MIOPTERYX Saussure. 



1870. Miopteryx Sau,s8ure, Bull. Soc. Ent. Suisse, III, p. 2.36. 



Type. — By elimination and selection, M. granadensis Saussure. "- 



MIOPTERYX GRANADENSIS Saussure. 



1870. M\iopteryx\ grmmdensis Saussure, Bull. Soc. Entom. Suisse, III, p. 237; 

 Bogota. 



Four specimens; Bartica, British Guiana. April 24 and May 4, 7, 

 and 11, 1901. (R. J. Crew.) [A. N. S. Phila.] 



Genus PSEUDOMIOPTERYX Saussure. 



1870. Pseudomiopteryx Saussure, Bull. Soc. Entom. Suisse, III, pp. 225, 228. 



Included P. spinifrons and P. hogotensis Saussure. 



PSEUDOMIOPTERYX INFUSCATA Saussure and Zehntner. 



1894. Pseudomiopteryx infuscata Saussure and Zehntner, Biol. Cent.-Amer., 

 Orth., I, p. 163; Presidio, Cordova, Mexico; San Juan, Las Mercedes (3,000 

 feet), Volcan de Atitlan (2,500-3,500 feet), Zapote, Guatemala; Chontales, 

 Nicaragua; Bugaba (800-1,500 feet), Caldera (1,200 feet), and Yolcan de 

 Chiriqui (2,500-4,000 feet), Panama. 



Four specimens; three males, one female; Piedras Negras, Costa 

 Rica. (Schild and Burgdorf.) [U.S.N.M.] 



As the female has never been described, some notes on this speci- 

 men may be of interest. 



Size, rather small; surface rugulose. Head slightly broader than 

 deep; eyes, rotundate -ovate when viewed laterally; vertex raised above 

 the eyes, straight, the juxta-ocular lobes rounded and but slightly 

 separated from the other portion of the vertex; ocelli disposed in 

 a low triangle; facial shield transverse, the superior margin very 

 broadly obtuse-angulate. Pronotum rather stout; collar narrow; 

 supra-coxal dilations rectangulate; anterior and lateral margins den- 

 ticulate except for a small basal portion of the latter; dorsal aspect 



« The genus originally comprised the following species: 



granaderifsis. 



argentina. 



madagascarensis — Platycalymma Westwood. 



lactea — Nanomanfis Saussure. 



pellucida — CaUdomuntin Rehn {^^^Mloinantis Saussure). 



