ARCTIIDAE AND CTENUCHIDAE FORMERLY IN AUTOMOLIS 



55 



unequal pockets on either side. Duct of appendix bursae dilate and scobinate immediately 

 before opening into corpus bursae. Lamella postvaginalis with scobinate, medial sulcus. 



The asymmetry of the female genitalia matches that of the male. It can be 

 seen from the figures that the longer left-hand process of the vinculum would fit 

 into the large right-hand pocket of the female and the small right-hand process 

 of the male into the small left-hand pocket of the female during copulation. The 

 equivalent male structures in the closely related lurida are markedly different in 

 shape and could be expected to function as a mechanism inhibiting cross-mating. 



The difference in male scent-organ equipment between femandezi and its sibling 

 lurida has been discussed earlier (p. 53). Externally the males can also be dis- 

 tinguished by the position of the grey medial marking on the forewing (see Key), 

 a characteristic which may also be useful in distinguishing females {lurida females 

 have yet to be discovered). 



Most of the localities given for lurida in the literature refer to femandezi. I 

 have examined specimens of femandezi from Colombia, Venezuela, Guyana, French 

 Guiana, Surinam, Bolivia and Brazil. 



Material examined. 



Holotype <J, Guyana: Potaro, ii.1908 (Klages) (BMNH). 



Paratypes. Colombia: 4 <J, Rio Negro, 800 m (Fassl); 1 <3\ Medina (Fassl) (USNM). 

 Venezuela: 2 £, 1 9. Bolivar, El Dorado, Sta Elena km 107, 15-17.viii.1957 [Fernandez Ye'pez, 

 Rosales) (UCV). Guyana: i $, Potaro River, Tumatumari, iii.1912 (USNM); 11 <$, Potaro, 

 ii-v.1908 [Klages); 1 $, Rio Demerara; 2 9. Surinam: i $. Bolivia: ii £, Rio Songo, 750 m 

 (Fassl) (USNM: 1 $); 2 <J, Coroico, 1500m (Fassl). Brazil: 7 (J, Para; 1 <$, Amazonas, 

 Espirito Santo (USNM); 1 <£, Amazonas, Sao Paulo de Olivenca, xi-xii (Fassl) (USNM); 2 <£, 

 Amazonas, Monte Christo (Fassl) (USNM) ; 4 <§, Amazonas, Rio Purus, Hyutanahan, i-ii.1922 

 (Klages) (CM); 4 rj\ 1 $, Rio State, Terezopolis, Barreira, 350m, 30.x-3.xi. 1956, 3.1-24. ix. 1957, 

 19-20.iv.1958 (H. 6- G. Pearson). 



androconi.il patch 

 (upper surface) 



androcomal patch 

 (under surface) 



Figs 15, 16. Emurena femandezi, £, venation. 15, forewing; 16, hindwing. The 

 scent-organ enclosed by the anal fold under the hindwing is illustrated on PI 25, fig. 151. 

 Scales from the androconial patch on the upper surface of the hindwing are figured on 

 PI. 25, figs 156, 157. 



