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Oviposition preference and larval survival of Diprion pini on Scots pine clones in relation to foliage characteristics

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1 When laying eggs, adult female Diprion pini discriminated between clones of Scots pine, Pinus sylvestris.

2 Larval survival was affected by Scots pine clone but was not correlated with oviposition preference.

3 Diprion pini laid most eggs on tougher needles of Scots pine.

4 There was no evidence to suggest that D. pini is responding to the monoterpene composition of the foliage.

Keywords: Diprion pini; Pinus sylvestris; foliage toughness; larval survival; monoterpene; oviposition

Document Type: Research Article


Affiliations: 1: INRA, Station de Zoologie Forestière, avenue de la pomme de pin, BP 20619, Ardon, 45166 Olivet cedex, France and 2: Laboratoire de biologie appliquée, INSA, Villeurbanne, France

Publication date: 2000-08-01

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