616 PROCEEDINGS OF THE NATIONAL MUSEUM vol. iis 



with strong, numerous thorns; cervical portion of corpus bursae 

 membranous, broader than corpus itself; a broad, sclerotized girdle 

 located cephalad of cervical portion, and surrounded by small, sclero- 

 tized dots, in part confluent among themselves; corpus bursae broad, 

 rounded on fundus; signum shaped as a scobinate, slightly folded plate. 

 Types. — Holotype, d^ (genitalia slide 99-Obr., 1964), Chachapoyas, 

 Dept, Amazonas, Peru, 1889 (M. de Mathan); allotype, 9 (genitalia 

 slide 100-Obr., 1964), Peru (M. de Mathan); USNM. 67565 Para- 

 types: d", Peru (M. de Mathan); cf' (genitalia slide 6623), 2 99 

 (genitalia of one slide 6624), Chachapoyas, Dept. Amazonas, Peru, 

 1889 (M. de Mathan); BM. 



Pseudatteria (Eurynatteria) heliocausta (Dognin) 



Plates 37-39. 



Atteria heliocausta Dognin, 1912, Heteroceres nouveaux de lAmerique du Sud, 



fasc. 6, p. 51. 

 Pseudatteria fornicata Meyrick, 1917, Trans. Ent. Soc. London, p. 6. — Clarke, 



1955, Catalogue of the type specimens of Microlepidoptera in the British 



Museum described by Edward Meyrick, vol. 1, p. 143. 

 Pseudatteria metacapna Meyrick, 1924, Exotic Microlepidoptera, vol. 3, p. 108.— 



Clarke, 1955, op. cit., vol. 1, p. 204. 

 Pseudatteria heliocausta. — Clarke, 1958, Catalogue of the type specimens of 



Microlepidoptera in the British Museum described by Edwaid Meyrick, 



vol. 3, p. 196, pi. 98, figs. 1-lc, 2-2c. 



Male genitalia. — Uncus broad, subcordate with a short stalk. 

 Valva oblong, rotundate externally; costa with a rotundate-triangular 

 harpe before middle; sacculus thickened at base, then narrowly 

 extended along ventral margin of (folded) valva. Aedeagiis mod- 

 erately thick with a rotundate apical projection; cornutus strong, 

 corniform, narrow and tapering distad, dilated basad. 



Female genitalia. — Sinus vaginalis with a rather broad lamella 

 antevaginalis roundly dilated laterally. Antrum covered cephalically 

 by caudal margm of cervical portion of corpus bursae with many 

 thorns; a sclerotized, mosaic area at right side of caudal section of 

 corpus bursae; latter broad; signum shaped as a plate with a narrow, 

 scobmate margin not closed caudally, often with a narrow, oblique 

 carina, and somewhat variable in form. 



Types. — Lectotype of heliocausta, cf (genitalia slide 2-Obr., 

 Feb. 24, 1961), San Antonio, District Cali, Columbia, 2000 m., 

 Sep. 22, 1908 (A, H. Fassl) ; cf lectoparatype (genitalia slide prepared 

 by A. Busck, Apr. 4, 1926), same data; USNM. Lectotype oi fornicata, 

 9 (genitalia slide 4420, JFGC), San Antonio, District Cali, Colombia, 

 5800 ft., November 1907 ("R."); BM. 9 lectoparatype oi fornicata 

 (genitalia slide 4431, JFGC), same locality; USNM. Lectotype of 

 metacapna, 9 (genitalia slide 4421, JFGC), San Antonio, District Cali, 



