Thistle Stem Gall Fly

Urophora cardui

The Thistle Stem Gall Fly (scientific name Urophora cardui) is species in LeafFauna's insects group, belonging to the genus Urophora. LeafFauna lists Thistle Stem Gall Fly among more than 25,000 animal species. Every photo is credited to its photographer and shown under its license. Open it in the LeafFauna app for more facts, a range map, sightings by month and more photos.