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Golden wattle bud-galling wasp - Trichilogaster signiventris The gall is growing out of the flower.Probably started growing when the flower bud was forming. Australia,Geotagged,Golden wattle bud-galling wasp,Trichilogaster signiventris,Winter Click/tap to enlarge

Golden wattle bud-galling wasp - Trichilogaster signiventris

The gall is growing out of the flower.Probably started growing when the flower bud was forming.

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"Trichilogaster signiventris" is a species of Australian chalcid wasps that parasitises, among others, "Acacia pycnantha". It has been introduced into South Africa, where the golden wattle has become an invasive pest.

Species identified by Ernst
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By Ernst

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Uploaded Aug 15, 2025. Captured Aug 14, 2025 13:30 in 89 Acacia Terrace, Aldinga Beach SA 5173, Australia.
  • Canon EOS 650D
  • f/22.0
  • 1/128s
  • ISO400
  • 84mm