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iNat·1699296SpeciesInsecta57 field observations
  1. Animals
  2. ›Arthropods
  3. ›Hexapods
  4. ›Insects
  5. ›Winged and Once-winged Insects
  6. ›Ants, Bees, Wasps, and Sawflies
  7. ›Narrow-waisted Wasps, Ants, and Bees
  8. ›Proctotrupomorpha
  9. ›Gall Wasps and Allies
  10. ›Gall Wasps
  11. ›Cynipinae
  12. ›Oak Gall Wasps
  13. ›Besbicus
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Besbicus heldae

Besbicus heldae, formerly Cynips heldae, also known as the thorny gall wasp or thorn gall wasp, is an uncommon species of cynipid wasp that induces bud galls on Oregon oak and valley oak trees on the west coast of North America. Fresh gall are rose pink, measure 6–16 mm in diameter, and have a "mealy-granular" surface and possibly overlapping, disorderly looking "spikes". Galls are detachable and turn brown as they age. This gall superficially resembles the galls...

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Every page naming Besbicus heldae in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 1699296.