Colin Varndell / Knopper gall of the gall wasp (Andricus quercuscalicis) Dorset, England, UK, September.
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Colin Varndell / Gall on oak acorn made by larva of Knopper gall wasp (Andricus quercuscalicis), Dorset, UK, August.
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Doug Wechsler / Oak apple galls formed by Gall wasp (Amphibolips sp.) Pennsylvania, USA. May.
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Alex Hyde / Galls of the Silk button gall wasp (Neuroterus numismalis) on the underside of a fallen oak leaf.Peak District National Park, Derbyshire, UK. November.
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Alex Hyde / Galls of the Silk Button gall wasp (Neuroterus numismalis) on the underside of an oak leaf. A single wasp will emerge from each gall. Neuroterus numismalis has two generations per year, the first sexu...
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Alex Hyde / Galls of the Silk Button gall wasp (Neuroterus numismalis) on the underside of an oak leaf. A single wasp will emerge from each gall. Neuroterus numismalis has two generations per year, the first sexu...
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Guy Edwardes / Cherry gall (Diplolepis quercusfolii) on oak leaf, Rhodope Mountains, Bulgaria. November.
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Andy Sands / Marble Gall wasp (Andricus kollari) female ovipositing into bud of Turkey oak tree, the offspring will go on to produce the marble oak gall on Sessile oak, Hertfordshire, England, UK, March.
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Andy Sands / Knopper Gall wasp (Andricus querecuscalicis) newly emerged adult on bud of turkey oak, this wasp lays eggs in early spring among the buds of Turkey Oak then the offspring lay on Pendunculate Oak to pr...
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Andy Sands / Ramshorn gall wasp (Andricus aries) female died in position after ovipositing into turkey oak bud in spring, London, England, UK, February Focus Stacked.
