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Andricus foecundatrix - Oak Artichoke Gall "Oak Artichoke" - A gall on oak caused by the gall wasp Andricus foecundatrix Andricus,Andricus foecundatrix,Cynipidae,Gall,Hymenoptera,Oak Artichoke,gall wasp Click/tap to enlarge Species introCountry intro

Andricus foecundatrix - Oak Artichoke Gall

"Oak Artichoke" - A gall on oak caused by the gall wasp Andricus foecundatrix

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Andricus foecundatrix is a parthenogenetic gall wasp which lays a single egg within a leaf bud, using its ovipositor, to produce a gall known as an oak artichoke gall, oak hop gall, larch-cone gall or hop strobile The gall develops as a chemically induced distortion of leaf axillary or terminal buds on pedunculate oak or sessile oak trees. The larva lives inside a smaller hard casing inside the artichoke and this is released in autumn. The asexual wasp emerges in spring and lays her eggs in the.. more

Species identified by Pudding4brains
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By Pudding4brains

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Uploaded Nov 7, 2018.