Gymnocarena diffusa

Gymnocarena diffusa · Order: Diptera · Family: Tephritidae

No source yet on danger. We have no source yet on whether it bites, stings or damages anything.
Gymnocarena diffusa
Photo: Jeff Hansen, CC BY

Gymnocarena diffusa is a species of tephritid (fruit) fly in the genus Gymnocarena, family Tephritidae. It occurs in Canada and the United States.

Source: Wikipedia

How to recognize it

Gymnocarena diffusa belongs to the tephritid fruit-fly group in the genus Gymnocarena.

Source: Wikipedia

Where it lives

This bug is a tephritid fruit fly.

Source: Wikipedia

Where it comes from

Its native range includes Canada and the United States.

Source: Wikipedia

Where it is found in the US

Recorded in 17 of 51 states and DC. Most records: Nebraska, Colorado, North Dakota, Arizona, South Dakota, Minnesota, Wisconsin, Iowa.

Darker = more records. Counts are museum and citizen-science records, not population size.

Source: GBIF

Status: native in North America; native in Canada. Source: iNaturalist

Months it is reported in the US

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Source: GBIF

More photos

Gymnocarena diffusa photo 2
Photo: beth_tracks, CC BY
Gymnocarena diffusa photo 3
Photo: Jared Shorma, CC BY

Questions people ask

Where is Gymnocarena diffusa found?

It is native to Canada and the United States.

Source: Wikipedia

Same family (Tephritidae)

Goldenrod Gall FlyGoldenrod Gall FlyEurosta solidaginisThistle Stem Gall FlyThistle Stem Gall FlyUrophora carduiGoldenrod Brussels Sprout Gall FlyGoldenrod Brussels Sprout Gall FlyProcecidochares atraMediterranean Fruit FlyMediterranean Fruit FlyCeratitis capitataDamages trees, gardens or cropsCotton-gall TephritidCotton-gall TephritidAciurina bigeloviaeOriental Fruit FlyOriental Fruit FlyBactrocera dorsalisDamages trees, gardens or crops

Sources

  • Wikipedia: https://en.wikipedia.org/wiki/Gymnocarena_diffusa

Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia

Text written 2026-10-29 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-29.

How this page works

This is one bug's fact sheet. The colored box at the top says whether it is dangerous. Sections below cover how to recognize it, whether it is a pest, and how to deal with it. The US map shows which states have records; tap a state to see other bugs there.

Every fact on Bug FAQ comes from a named source (university extension sites, government agencies, GBIF, iNaturalist, Wikipedia). The source is linked next to each section. If we have no source for something, we leave it out.