Spangle Galls, created by a parasitic wasp, are one of the many kinds of galls found on oak trees. Head to our section on invertebrates to find out more.
Photo: Steve Townsend
Spangle Galls, created by a parasitic wasp, are one of the many kinds of galls found on oak trees. Head to our section on invertebrates to find out more.
Photo: Steve Townsend
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