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These terms define your current search. Click the × to remove a term. Biological Sciences: organisms > pests > parasites > parasitoids > hyperparasitoids × 11 items, grouped by Geographical Locations (view ungrouped items) Asia (1)    (Click to View) Strip cropping wheat and alfalfa to improve the biological control of the wheat aphid Macrosiphum avenae by the mite Allothrombium ovatum Agriculture, ecosystems and environment North America (2)    (Click to View) Effects of environmental stress cascade up through four trophic levels in a salt marsh study system Ecological entomology (Click to View) Parasitism of native luna moths, Actias luna (L.) (Lepidoptera: Saturniidae) by the introduced Compsilura concinnata (Meigen) (Diptera: Tachinidae) in central Virginia, and their hyperparasitism by trigonalid wasps (Hymenoptera: Trigonalidae) Environmental entomology