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SELECTION OF OVIPOSITIONAL SITES BY THE EUROPEAN PINE SAWFLY, NEODIPRION SERTIFER (HYMENOPTERA: DIPRIONIDAE), ON SCOTS PINE1
Published online by Cambridge University Press: 31 May 2012
Abstract
On Scots pine, Neodiprion sertifer prefers the lowermost needle of fascicles on the distal one-third of shoots for oviposition. The amount of divergence between needles in a fascicle may influence the selection of oviposition sites, as the needles were further apart in egg-bearing fascicles. The interior diameter of resin canals was significantly greater on egg-bearing than non-egg-bearing needles.
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- Copyright © Entomological Society of Canada 1975
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