Prorella discoidalis

{{Short description|Species of moth}}

{{Speciesbox

| image = Prorella discoidalis, det. H.W. Capps, -26381, North Rim, Grand Canyon, Arizona, 22 August 1938, Louis Schellbach III (49549856063).jpg

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| taxon = Prorella discoidalis

| authority = (Grossbeck, 1908){{cite web |last=Yu |first=Dicky Sick Ki |url=http://www.taxapad.com/local.php?taxonidLC=82858533 |title=Prorella discoidalis (Grossbeck 1908) |website=Home of Ichneumonoidea |publisher=Taxapad |archive-url=https://web.archive.org/web/20160324222126/http://www.taxapad.com/local.php?taxonidLC=82858533 |archive-date=March 24, 2016}}{{cite web |url=http://mothphotographersgroup.msstate.edu/species.php?hodges=7612 |title=910453.00 – 7612 – Prorella discoidalis – (Grossbeck, 1908) |website=North American Moth Photographers Group |publisher=Mississippi State University |accessdate=May 2, 2019}}

| synonyms = *Gymnoscelis discoidalis Grossbeck, 1908

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Prorella discoidalis is a moth in the family Geometridae first described by John Arthur Grossbeck in 1908. It is found in the US states of Arizona, New Mexico and Utah.

The wingspan is about 17 mm. There seem to be two generations per year with adults on wing in June and again in August.{{cite journal |last=McDunnough |first=James H. |author-link=James Halliday McDunnough |date=1949 |url=http://nitro.biosci.arizona.edu/zeeb/leprefs/B093a08.pdf |title=Revision of the North American species of the genus Eupithecia (Lepidoptera, Geometridae) |journal=Bulletin of the American Museum of Natural History |volume=93 |pages=533–728}}