CreatureData

Knapweed gall fly

Urophora affinis (Frauenfeld, 1857)

Status not recordedinsects

The knapweed gall fly (Urophora affinis) is a species in the family Tephritidae, order Diptera.

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Quick facts about the knapweed gall fly

Weight
Not recorded
Length
Not recorded
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Conservation status
Not recorded
Countries on record
Not recorded

Where does the knapweed gall fly live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the knapweed gall fly as introduced in 1 country.

  1. United States

Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).

Is the knapweed gall fly endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the knapweed gall fly classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classInsecta
  4. orderDiptera
  5. familyTephritidae
  6. genusUrophora
  7. SpeciesUrophora affinis (Frauenfeld, 1857)

Synonyms Trypeta affinis

Other names and names in other languages (1)
  • Урофора родственнаяRussian

Catalogue of Life

Relatives of the knapweed gall fly

Other species in the same genus Urophora.

CompareKnapweed gall fly vs Thistle stem gall flyKnapweed gall fly vs Four-barred knapweed gall flyKnapweed gall fly vs Knapweed gall-flyKnapweed gall fly vs Nodding thistle gall fly

Common questions

Answered only where our data holds the answer.

Is the knapweed gall fly an invasive species?

The Global Register of Introduced and Invasive Species lists the knapweed gall fly as introduced in 1 country: United States, but does not flag it as invasive in any of them.

What kind of animal is the knapweed gall fly?

The knapweed gall fly (Urophora affinis) belongs to the family Tephritidae in the order Diptera.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Knapweed gall fly (Urophora affinis). Retrieved from https://creaturedata.com/animals/urophora-affinis

MLA

“Knapweed gall fly (Urophora affinis).” CreatureData, 2026, https://creaturedata.com/animals/urophora-affinis.

BibTeX
@misc{urophora_affinis_2026,
  title = {Knapweed gall fly (Urophora affinis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/urophora-affinis},
  note = {Data as of 2026-11-14}
}