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Galls on Black Walnut (Juglans nigra) - Aceria caulis This tree had a bunch of these galls on them. They were really unique.<br /> <br /> Habitat: Deciduous forest edge<br /> <figure class="photo"><a href="https://www.jungledragon.com/image/91572/galls_on_black_walnut_juglans_nigra_-_aceria_caulis.html" title="Galls on Black Walnut (Juglans nigra) - Aceria caulis"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3232/91572_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1759968010&Signature=1Dp3QNtYLuWg%2Bw8TkgCEIRdTpM4%3D" width="200" height="154" alt="Galls on Black Walnut (Juglans nigra) - Aceria caulis This tree had a bunch of these galls on them. They were really unique.<br /> <br /> Habitat: Deciduous forest edge<br /> https://www.jungledragon.com/image/91576/galls_on_black_walnut_juglans_nigra_-_aceria_caulis.html<br /> https://www.jungledragon.com/image/91575/galls_on_black_walnut_juglans_nigra_-_aceria_caulis.html Aceria,Aceria caulis,Geotagged,Juglans,Juglans nigra,Summer,United States,black walnut,black walnut gall,gall mite,mite" /></a></figure><br /> <figure class="photo"><a href="https://www.jungledragon.com/image/91575/galls_on_black_walnut_juglans_nigra_-_aceria_caulis.html" title="Galls on Black Walnut (Juglans nigra) - Aceria caulis"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3232/91575_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1759968010&Signature=0wfW23oJJ7alwgqnRR1mV9KdFXg%3D" width="128" height="152" alt="Galls on Black Walnut (Juglans nigra) - Aceria caulis This tree had a bunch of these galls on them. They were really unique.<br /> <br /> Habitat: Deciduous forest edge<br /> https://www.jungledragon.com/image/91572/galls_on_black_walnut_juglans_nigra_-_aceria_caulis.html<br /> https://www.jungledragon.com/image/91576/galls_on_black_walnut_juglans_nigra_-_aceria_caulis.html Aceria caulis,Geotagged,Summer,United States" /></a></figure> Aceria caulis,Geotagged,Summer,United States Click/tap to enlarge

Galls on Black Walnut (Juglans nigra) - Aceria caulis

This tree had a bunch of these galls on them. They were really unique.

Habitat: Deciduous forest edge

Galls on Black Walnut (Juglans nigra) - Aceria caulis This tree had a bunch of these galls on them. They were really unique.<br /> <br /> Habitat: Deciduous forest edge<br /> https://www.jungledragon.com/image/91576/galls_on_black_walnut_juglans_nigra_-_aceria_caulis.html<br /> https://www.jungledragon.com/image/91575/galls_on_black_walnut_juglans_nigra_-_aceria_caulis.html Aceria,Aceria caulis,Geotagged,Juglans,Juglans nigra,Summer,United States,black walnut,black walnut gall,gall mite,mite

Galls on Black Walnut (Juglans nigra) - Aceria caulis This tree had a bunch of these galls on them. They were really unique.<br /> <br /> Habitat: Deciduous forest edge<br /> https://www.jungledragon.com/image/91572/galls_on_black_walnut_juglans_nigra_-_aceria_caulis.html<br /> https://www.jungledragon.com/image/91576/galls_on_black_walnut_juglans_nigra_-_aceria_caulis.html Aceria caulis,Geotagged,Summer,United States

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The Black Walnut Petiole Gall Mite

Aceria caulis are mites that cause pubescent galls on black walnut petioles, passing from greenish through pink and crimson to reddish brown.

Info 3 0
Similar species: Endeostigmatan Mites
Species identified by Christine Young
View Christine Young's profile

By Christine Young

All rights reserved
Uploaded Mar 27, 2020. Captured Sep 21, 2019 09:23 in 91 Main St, Sharon, CT 06069, USA.
country flag of United States of America Explore United States of America 39,948 9,641 8
  • Canon EOS 80D
  • f/6.3
  • 1/197s
  • ISO400
  • 100mm
Captured in the summer. More summer photos.