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Predators can significantly impact potential prey without consuming them, generating potential ramifications for biological control. In this study, we examined the cumulative impacts of adult Harmonia axyridis Pallas (Coleoptera: Coccinellidae) on development and reproduction of Helicoverpa armigera Hübner (Lepidoptera: Noctuidae), over three generations. Development became faster in each of the three...
Flight performance at various times after emergence in the alate morph and age‐dependent changes in biochemical composition of winged and wingless morphs were evaluated in the wing‐polyphenic aphid Sitobion avenae (Fabricius) (Hemiptera: Aphididae). Alates exhibited the highest flight activity at 18–36 h after adult emergence. Throughout the nymphal and adult development, the whole‐body content of...
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