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n2:438579

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Nageleisen <i>et al.</i> (2015)

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2015-01-01

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Nageleisen <i>et al.</i> (2015)

dct:abstract

The forest cockchafer (Melolontha hippocastani, Coleoptera, Scarabeoidea) has multiplied in the last few years in the forests of northern Alsace and around Paris. Biological monitoring has established that this species has a life cycle of 4 years in these two regions. During the subsoil phase, which lasts 47 months, the highly polyphagous larvae eat the roots of many woody species (beech, oaks, pines, fir trees, etc.), causing significant mortality amongst young stalks. Adults hatch in May (in 2015 at the Ingwiller state forest, and in 2016 in the Compiegne state forest) and feed preferentially on oak leaves before mating. The fertilized females then lay their eggs in sandy soil inside relatively sparse stands.

bibo:abstract

The forest cockchafer (Melolontha hippocastani, Coleoptera, Scarabeoidea) has multiplied in the last few years in the forests of northern Alsace and around Paris. Biological monitoring has established that this species has a life cycle of 4 years in these two regions. During the subsoil phase, which lasts 47 months, the highly polyphagous larvae eat the roots of many woody species (beech, oaks, pines, fir trees, etc.), causing significant mortality amongst young stalks. Adults hatch in May (in 2015 at the Ingwiller state forest, and in 2016 in the Compiegne state forest) and feed preferentially on oak leaves before mating. The fertilized females then lay their eggs in sandy soil inside relatively sparse stands.

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2015-01-01

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Nageleisen, L., Belouard, T. &amp; Meyer, J. 2015. LE HANNETON FORESTIER (<em>Melolontha hippocastani</em> Fabricius 1801) EN PHASE EPIDEMIQUE DANS LE NORD DE L'ALSACE <em>Revue Forestière Francaise (Nancy)</em>, 67(4): 353-366.