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File:Gall wasp Neuroterus numismalis - suspended animation.jpg

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English: Image title: “Suspended Animation”. I’m fascinated by these beautiful little structures that contain a tiny insect inside. I noticed them one autumn when I was collecting some oak leaves for a nature study class. I had an inkling they were some kind of gall. With a bit of internet searching I learned that they are silk button galls, caused by the gall wasp Neuroterus numismalis. In an incredible feat for a tiny creature, the oak tree is chemically coaxed into creating these overwintering shelters for the larvae of the wasp. The buttons fall onto the ground in autumn, but here in my garden in Ireland some were caught mid-flight by fine threads of spider silk. It turns out that this gall wasp has an amazing lifecycle – it involves two different generations, another type of gall and virgin births. For me it’s a lovely example of the unnoticed beautiful complexity of the little lives being lived out all around us.
Français : Image intitulée "Animation suspendue" ; Ces petites structures (galles produites par le chêne, ici en Irlande, sur la surface inférieure des feuilles) contiennent une larve d'insecte (guêpe Neuroterus numismalis). Ces "boutons" tombent au le sol en automne. Ici certains se sont collés à de fins fils de soie d'araignée. Cette guêpe a un cycle de vie complexes, impliquant deux générations différentes
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Author Kevin.Healion


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Wiki Science Competition 2017
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current15:04, 18 November 2017Thumbnail for version as of 15:04, 18 November 20173,842 × 2,878 (2.69 MB)Kevin.Healion (talk | contribs)User created page with UploadWizard
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