Rhagio mystaceus
species of fly

Rhagio mystaceus, also known as the down-looker fly, downlooker snipefly and common snipe fly, is a species of fly from the family Rhagionidae.
Description
Rhagio mystaceus has an overall dark color, with males growing to 7–9 mm, and females reaching 6–8 mm. The thorax has three dark dorsal stripes. Normally, the center stripe has a very thin, pale line running down the middle. On the abdomen, there are yellowish rings at the posterior of the segments. However, the basal segment on some specimens are mostly yellowish and have a black dorsal and lateral spot.
The wings are patterned, with dark tips.
Range
The fly is found in middle and eastern North America, east of the Great Plains.
The public source identifies “Rhagio mystaceus” as species of fly. This brief keeps that definition visible, then builds a research path around Rhagio, mystaceus and species.
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The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Jun 20, 2026. The linked authority identifier is Q7320068. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Rhagio mystaceus” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.