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White Oak Club Gall - Callirhytis clavula Globular, terminal swellings on white oak (Quercus alba). Some of them had small, viable buds coming out of them.<br />
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Habitat: Hardwood forest<br />
<figure class="photo"><a href="https://www.jungledragon.com/image/79311/white_oak_club_gall_-_callirhytis_clavula.html" title="White Oak Club Gall - Callirhytis clavula"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3232/79311_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1759968010&Signature=dYZ3EHew29QMoNhijBIOEBn3GW8%3D" width="200" height="154" alt="White Oak Club Gall - Callirhytis clavula Globular, terminal swellings on white oak (Quercus alba). Some of them had small, viable buds coming out of them. In this shot, you can see an exit hole from a wasp.<br />
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Habitat: Hardwood forest<br />
https://www.jungledragon.com/image/79310/white_oak_club_gall_-_callirhytis_clavula.html Callirhytis clavula,Geotagged,Spring,United States,White Oak Club Gall Wasp,gall" /></a></figure> Callirhytis clavula,Geotagged,Spring,United States,White Oak Club Gall Wasp,gall Click/tap to enlarge Promoted

White Oak Club Gall - Callirhytis clavula

Globular, terminal swellings on white oak (Quercus alba). Some of them had small, viable buds coming out of them.

Habitat: Hardwood forest

White Oak Club Gall - Callirhytis clavula Globular, terminal swellings on white oak (Quercus alba). Some of them had small, viable buds coming out of them. In this shot, you can see an exit hole from a wasp.<br />
<br />
Habitat: Hardwood forest<br />
https://www.jungledragon.com/image/79310/white_oak_club_gall_-_callirhytis_clavula.html Callirhytis clavula,Geotagged,Spring,United States,White Oak Club Gall Wasp,gall

    comments (2)

  1. That is impressive! Where exactly does the gall begin and end? Posted 6 years ago
    1. The gall starts on the end of a stem...I *think* it starts at a terminal (end) bud/twig tip, where it then swells up. The little nubs on the gall are viable leaf buds (again, I think). Posted 6 years ago

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Callirhytis clavula is a wasp in the Cynipidae family that causes galls on white oak (Quercus alba).

Species identified by Christine Young
View Christine Young's profile

By Christine Young

All rights reserved
Uploaded May 20, 2019. Captured Apr 10, 2019 13:40 in 281 Main St S, Woodbury, CT 06798, USA.
  • Canon EOS 80D
  • f/11.0
  • 1/256s
  • ISO400
  • 100mm