Yunganastes mercedesae

{{Short description|Species of amphibian}}

{{Speciesbox

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=IUCN SSC Amphibian Specialist Group |date=2020 |title=Yunganastes mercedesae |volume=2020 |page=e.T56760A89207721 |doi=10.2305/IUCN.UK.2020-3.RLTS.T56760A89207721.en |access-date=16 November 2021}}

| taxon = Yunganastes mercedesae

| authority = (Lynch and McDiarmid, 1987)

| synonyms =

• Eleutherodactylus mercedesae Lynch and McDiarmid, 1987
• Pristimantis mercedesae (Lynch and McDiarmid, 1987)

}}

Yunganastes mercedesae is a species of frog in the family Strabomantidae. It is found in Bolivia and southern Peru. It is sometimes known as Mercedes' robber frog.{{cite web |url=https://amphibiansoftheworld.amnh.org/Amphibia/Anura/Brachycephaloidea/Strabomantidae/Pristimantinae/Yunganastes/Yunganastes-mercedesae |title=Yunganastes mercedesae (Lynch and McDiarmid, 1987) |author=Frost, Darrel R. |year=2022 |work=Amphibian Species of the World: An Online Reference. Version 6.1 |publisher=American Museum of Natural History |access-date=16 October 2022}} It is named after Mercedes S. Foster, who collected the holotype and was acknowledged for her herpetological collection efforts in South America.{{cite journal |last1=Lynch |first1=J. D. |last2=McDiarmid |first2= R. W. |year=1987 |title=Two new species of Eleutherodactylus (Amphibia: Anura: Leptodactylidae) from Bolivia |journal=Proceedings of the Biological Society of Washington |volume=100 |pages=337–346 |url=https://www.biodiversitylibrary.org/page/34570741#page/362/mode/1up}}