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iNat·63066SpeciesInsecta7,911 field observations
  1. Animals
  2. ›Arthropods
  3. ›Hexapods
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  5. ›Winged and Once-winged Insects
  6. ›Flies
  7. ›Brachyceran Flies
  8. ›Cyclorrhaphan Flies
  9. ›Schizophoran Flies
  10. ›Acalyptrate Flies
  11. ›Fruit, Signal, and Picture-winged Flies
  12. ›Fruit Flies
  13. ›Tephritinae
  14. ›Myopitini
  15. ›Urophora
Thistle Stem Gall Fly
Plate 1 of 9. (c) Nikolai Vladimirov, some rights reserved (CC BY-NC), uploaded by Nikolai Vladimirov · via iNaturalist

Thistle Stem Gall Fly

Urophora cardui

Urophora cardui or the Canada thistle gall fly is a fruit fly which, contrary to its common name, is indigenous to Central Europe from the United Kingdom east to near the Crimea, and from Sweden south to the Mediterranean.

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Every page naming Urophora cardui in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 63066.