# Endangered and Threatened Wildlife and Plants; Endangered Species Status for the Fluminense Swallowtail Butterfly, Harris' Mimic Swallowtail Butterfly, and Hahnel's Amazonian Swallowtail Butterfly
> **US Fish and Wildlife Service** · Final rule. · Published 2024-12-10 · Effective 2025-01-09 · 89 FR 99129
## Document
- **Document number:** 2024-28430
- **Category:** endangered-species
- **Sub-agency:** US Fish and Wildlife Service
- **Federal Register citation:** 89 FR 99129
- **CFR reference:** 50 CFR 17
- **Publication date:** 2024-12-10
- **Effective date:** 2025-01-09
- **Interior docket:** Docket No. FWS-HQ-ES-2023-0067
## Abstract

We, the U.S. Fish and Wildlife Service (Service), determine endangered species status under the Endangered Species Act of 1973 (Act), as amended, for three butterflies endemic to Brazil: the Fluminense swallowtail (Parides ascanius), Harris' mimic swallowtail (Eurytides (=Mimoides) lysithous harrisianus), and Hahnel's Amazonian swallowtail (Parides hahneli). This rule extends the Act's protections to these species.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2024/12/10/2024-28430/endangered-and-threatened-wildlife-and-plants-endangered-species-status-for-the-fluminense)
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