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Sunburst Gall Wasp (Feron stellare)

The sunburst gall wasp (Feron stellare, previously Andricus stellaris) induces unisexual (containing females only) galls on the leaves of Oregon and blue oak. These extraordinary structures are adorned with a beautiful array of crystalline "hairs" and vibrant colors - an absolute treasure to find!


Sunburst gall wasp (Feron stellare), close-up of a single gall on Oregon oak (Quercus garryana). Focus-stacked for increased depth of field. Sonoma County, California, USA.
GAL0063


Sunburst gall wasp (Feron stellare), summer generation galls on Oregon oak (Quercus garryana). Sonoma County, California, USA.
GAL0062


Sunburst gall wasp (Feron stellare), galls covering an entire leaf of Oregon oak (Quercus garryana). Sonoma County, California, USA.
GAL0061


Sunburst gall wasp (Feron stellare), exceptionally red gall on Oregon oak (Quercus garryana). Focus-stacked composite. Sonoma County, California, USA.
GAL0079

Next Gall: Urchin gall wasp (Cynips quercusechinus)



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All images copyright Timothy Boomer. All rights reserved worldwide.