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The emerald ash borer Agrilus planipennis (Coleoptera: Buprestidae) is a serious invasive pest that has killed millions of North American ash (Fraxinus spp.) trees in the United States and Canada since its first detection in 2002. Oobius primorskyensis Yao and Duan and Oobius agrili Zhang and Huang (Hymenoptera: Encyrtidae) constitute a cryptic species complex of egg parasitoids attacking A. planipennis...
Although climate change frequently has been linked to observed shifts in the distributions or phenologies of species, little is known about the potential effects of varying temperatures on parasitoids and their relationships with hosts. Using the egg parasitoid Oobiusagrili (Hymenoptera: Encyrtidae) we examined host utilization patterns of this species across a range of temperatures (20–35 °C)...
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