Bardaxima marcida (C. Felder, 1874 )

Becker, Vitor Osmar, 2021, A review of the Neotropical moth genus Bardaxima (Lepidoptera: Notodontidae: Nystaleinae), with special reference to the species occurring in Brazil, Zoologia (e 63526) 38, pp. 1-14 : 4-6

Bardaxima marcida (C. Felder, 1874)

Figs 11–13, 51–53

Nystalea marcida C. Felder, 1874 : pl. 98, fig. 2. Holotype female, COLOMBIA: Bogota (NHMUK) [examined].

Diagnosis. Male ( Fig. 12) FW length 25–27 mm (56–62 mm wingspan), female ( Figs 11, 13) FW length 30–33 mm (68–74 mm wingspan). FW gray, minutely mottled with dark fuscous and blackish scales; white patch on tornus small; basal, ante- and postmedial bands double, edged black; row of black dots between veins before termen; pair of black dots at end of cell. HW fuscous, cilia pale. Distal margin of 8 th male sternite ( Fig. 53) with a deep incision at middle. Male genitalia ( Fig. 51): uncus branching into four prongs, forming, with socii arms, a six-prong group. Valva with sacculus nearly as long as valva, broad, with two strong teeth: a dorsal at distal third and a ventral at middle. Aedoeagus ( Fig. 52) slightly curved ventrad, apex expanded laterally into a pair of small, sharp pointed teeth.

Material studied. 8 male (g.s. 5613, 5614), 5 females ( VOB); 1 male, 1 female ( AMC) .

Distribution. Costa Rica to southern Brazil (Espírito Santo).

Remarks. Very similar to B. ionia , easily distinguished by the small white patch on tornus of FW dorsally and by the very distinct genitalia.