2024
DOI: 10.21203/rs.3.rs-4174210/v1
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Field Releases of Neoseiulus barkeri: Effects on Megalurothrips usitatus Abundance and Arthropod Diversity

Yuanming Chi,
Chen Yu,
MingYue Feng
et al.

Abstract: Megalurothrips usitatus (Bagnall) (Thysanoptera: Thripidae) is an important pest in Vigna unguiculata (L.) Walp. Neoseiulus barkeri (Hughes) (Acari: Phytoseiidae) is widely used for control of pest mites and insects worldwide. We evaluated its effect on M. usitatus when predators (N. barkeri) or insecticides (Spinetoram) were applied in the fields. Neoseiulus barkeri Hughes consumed 80% of M. usitatus prey offered within 6 hours, and predation showed Type III functional response with prey density. The maximum … Show more

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