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Hycleus polymorphus
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Ce coléoptère (Pallas, 1771) de la famille des Meloidae vit dans les zones montagneuses comme ici dans le Vercors. Il a pour particularité son hypermétaphormisme, dépassant les trois stades usuels de larve, nymphe et adulte avec trois formes supplémentaires. La femelle pond ses oeufs à même le sol, qui se nourrissent d’oeufs de sauterelles. Ce spécimen mesure environ 15mm. Un minuscule moucheron a joué l’intrus sur la photo.
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