Cibyra piacaba, Mielke & Grehan & Koike, 2025

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, Zootaxa 5709 (1), pp. 1-74 : 45

publication ID	https://doi.org/10.11646/zootaxa.5709.1.1
publication LSID	lsid:zoobank.org:pub:D3B12545-635D-4AEF-BD58-57B99B88DE48
DOI	https://doi.org/10.5281/zenodo.17883807
persistent identifier	https://treatment.plazi.org/id/03EDC94D-FFB2-D369-20E0-B7A5E930F9AF
treatment provided by	Plazi
scientific name	Cibyra piacaba
status	sp. nov.

Treatment

Cibyra piacaba View in CoL sp. nov.

urn:lsid:zoobank.org:act:

Pl. 9: Figs 9–10 View PLATE 1 , Pl. 12: Fig. 9 View PLATE 1 , Pl. 18: Fig. 4 View PLATE 1 , Pl. 22: Fig. 4 View PLATE 1

Type material. Holotype ♂ (Pl. 9: Fig. 10 View PLATE 1 ): / BRAZIL — São Paulo (SP) , Santo André, Vila (30) Paranapiacaba, 1100 m, 28.X.2020. R. Koike leg./ DZ 52.709/ HOLOTYPUS, Cibyra piacaba C. Mielke, Grehan & Koike, 2024 / ( DZUP).

Paratypes (in total 1 ♂): Brazil. São Paulo. Same locality and collector as holotype: 1 ♂, 23.X.2021 ( CGCM 43.271 ; DZUP) .

Diagnosis. This species, along with the next two species, is easily recognized by the presence of a stigma composed of two or three discal spots placed immediately proximal to the FW postdiscal band on the male. Another feature shared by these species is the anterior darker portion of the male FW, from the costa to Rs5. Differences between this and the two next species are given under each species.

Description. Male (Pl. 9: Figs 9–10 View PLATE 1 , Pl. 12: Fig. 9 View PLATE 1 ). Forewing length: 15–18 mm, wingspan: 31–35 mm. Epiphysis present.

Male genitalia (Pl. 18: Fig. 4 View PLATE 1 , Pl. 22: Fig. 4 View PLATE 1 ). Tergal lobes slightly sclerotised with a posterior and spiniform projection. Posterior edge of outer wall of saccus notched, invagination extending half the length of its outer wall, the inner wall being deeply concave posteriorly. Tegumen slightly sinuate. Fultura inferior slightly longer than wide.

Female. Unknown.

Distribution. Known only from one site in the Parque Natural Municipal Nascentes de Paranapiacaba, placed in Serra do Mar in São Paulo state, southeastern Brazil at an altitude of 1100 m (Pl. 29: Fig. 1 View PLATE 1 ).

Etymology. Named after its type locality, Paranapiacaba, using the last syllables. It is treated as a noun in the nominative singular in apposition, feminine.

Remarks. The new species is not as variable as the previous species. Only sympatric and synchronic with C. piacaba sp. nov.