Black Walnut Petiole Gall Mite

Aceria caulis

The Black Walnut Petiole Gall Mite (scientific name Aceria caulis) is species in LeafFauna's spiders & scorpions group, belonging to the genus Aceria. LeafFauna lists Black Walnut Petiole Gall Mite 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.