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Bursaphelenchus xylophilus and its insect vector, Monochamus carolinensis, both develop within rapidly degrading xylem tissue of dying or recently cut trees of Pinus spp. The influence of Monochamus development on B. xylophilus dispersal stage formation was investigated. Nearly all nematodes extracted from wood surrounding beetle galleries were third-stage(More)
Data on curculio-caused nut mortality have been collected since 1985 to assess the impact of this nut predator on black walnut trees grown in a plantation environment. These data have been analyzed to investigate spatial and temporal patterns of curculio damage. Curculio damage was independent of nut cluster height or cardinal direction within the crowns of(More)
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