Cibyra yungas (Viette, 1961) Pl. 3: Fig. 15–16, Pl. 10: Fig. 14, Pl. 15: Fig. 4, Pl. 19: Fig. 14 Xytrops yungas Viette (1961: 3; fig. 4 ([holotype] ♂ gen.)); holotype ♂, Bolivia, [Cochabamba], Yungas del Palmar, 2000 m, R. Zischka leg.; GP P. Viette no. 3790; ZSBS (examined) [holotype ♂ with the following labels: / BOLIVIA, Yungas del Palmar, 2000 m, leg. R. Zischka, Zoolog. Staatsslg / TYPE/ Holotypus, Xytropus [sic] yungas Vtte., Zool. Staatssammlung München / Genitalia ♂, P. Viette, Prép. No. 3790/ P.E.L. Viette det 1960, Xytrops ♂ yungas n.sp. Holotype P. Viette / Specimen photog Checklist Aust Lep Film 169/32] Aepytus (Xytrops) yungas: Nielsen & Robinson (1983: 20).— Robinson & Nielsen (1984: 17). Cibyra (Xytrops) yungas: Nielsen et al. (2000: 842). Cibyra yungas: Mielke & Grehan (2012: 137).— Grehan et al. (2023: 78). Diagnosis. The pseudotegumen folded outwards posteriorly, a unique condition within the genus as are the phallus with two diverticula only on its antero-ventral portion, and the inward folded fultura inferior. Examined material (in total 2 ♂). Bolivia. Cochabamba. 1 ♂, HT; 1 ♂, Chapare, Locotal, 1200 m: 1 ♂, X.2019, Calderón-Villavicencio leg. (CGCM 42.521; CGCM). Male (Pl. 3: Fig. 15–16, Pl. 10: Fig. 14). Forewing length: 19 mm, wingspan: 40 mm. Male genitalia (Pl. 15: Fig. 4, Pl. 19: Fig. 14). Saccus with posterior edge concave. Tegumen rectangular, slightly curved. Tergal lobes protruded posteriorly. Pseudotegumen less reinforced anteriorly than posteriorly, the latter expanded latero-posteriorly and folded outwards. Fultura inferior rectangular, twice as wide as long, posterior margin inward folded. Valvae apically pointed (not visible in the Pl. 15: Fig. 4). Female. Unknown. Distribution. Known from two localities in Cochabamba, Bolivia (Pl. 28: Fig. 1). Remarks. Viette (1961) figured the male genitalia in the original description, so here the male is figured for the first time.

Published as part of Mielke, Carlos G. C., Grehan, John R. & Koike, Ricardo M., 2025, Review of the genus Cibyra Walker (Lepidoptera: Hepialoidea: Hepialidae) with descriptions of twenty-four new species from Brazil and Argentina, pp. 1-74 in Zootaxa 5709 (1) on page 21, DOI: 10.11646/zootaxa.5709.1.1, http://zenodo.org/record/17882357