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Biorhiza pallida - Agamic female Climbing the bark of an old oak tree on her cold winter way out of the root galls, up into the tree to find buds to lay her eggs in, which will cause the formation of "oak apples" in spring. Agamic,Agamous generation,Alerdinck,Biorhiza,Biorhiza pallida,Cynipidae,Cynipini,Hymenoptera,nl: Aardappelgalwesp Click/tap to enlarge Promoted

Biorhiza pallida - Agamic female

Climbing the bark of an old oak tree on her cold winter way out of the root galls, up into the tree to find buds to lay her eggs in, which will cause the formation of "oak apples" in spring.

    comments (2)

  1. This is so interesting to see the beginning and end of the entire process. Posted 26 days ago
    1. Yes, always intriguing to learn a bit about such complex life cycles when looking for an ID :o) Posted 26 days ago

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''Biorhiza pallida'' is a gall wasp species in the family Cynipidae. This species is a member of the tribe Cynipini: the oak gall wasp tribe. Cynipini is the tribe partially responsible for the formation of galls known as oak apples on oak trees. These are formed after the wasp lays eggs inside the leaf buds and the plant tissues swell as the larvae of the gall wasp develop inside.

Species identified by Pudding4brains
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By Pudding4brains

Public Domain
Uploaded Nov 17, 2019.