{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,21]],"date-time":"2025-10-21T15:43:55Z","timestamp":1761061435675,"version":"3.37.3"},"reference-count":45,"publisher":"Oxford University Press (OUP)","issue":"5","license":[{"start":{"date-parts":[[2021,7,21]],"date-time":"2021-07-21T00:00:00Z","timestamp":1626825600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,10,13]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Onion thrips (Thrips tabaci Lindeman) is one of onion\u2019s most damaging insect pests and has a history of developing resistance across insecticide classes. The susceptibility of T. tabaci populations to insecticides can be determined using laboratory bioassays. Three types of bioassays have been documented in the literature specifically for use with T. tabaci: vial assay (contact only), feeding assay (ingestion only), and leaf-dip assay (contact + ingestion). The objectives of this study were to 1) compare insecticide susceptibility levels of a T. tabaci population using these three assays and 2) determine which bioassay\u2019s results were most similar to those generated from exposing thrips to whole plants treated with insecticide. All experiments were conducted using a colony of T. tabaci known to be susceptible to insecticides and all were evaluated for their susceptibility to spinetoram (Radiant SC). Results indicated that 1) each bioassay generated a unique concentration-mortality relationship and LC50 value (0.01, 0.03 and 1.6 ppm for leaf-dip, vial, and feeding assays, respectively), and 2) all bioassays overestimated the susceptibility of the population relative to the whole-plant assay (LC50 = 5.3 ppm). Attributes of these bioassays are discussed relative to their future use in insecticide resistance monitoring programs for T. tabaci.<\/jats:p>","DOI":"10.1093\/jee\/toab136","type":"journal-article","created":{"date-parts":[[2021,6,18]],"date-time":"2021-06-18T11:09:01Z","timestamp":1624014541000},"page":"2236-2240","source":"Crossref","is-referenced-by-count":4,"title":["Comparison of Bioassays Used to Determine Onion Thrips (Thysanoptera: Thripidae) Susceptibility to Spinetoram"],"prefix":"10.1093","volume":"114","author":[{"given":"Isabella M","family":"Yannuzzi","sequence":"first","affiliation":[{"name":"Department of Entomology, Cornell University, Cornell AgriTech, 15 Castle Creek Drive, Geneva, NY 14456, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1519-443X","authenticated-orcid":false,"given":"Erica A","family":"Moretti","sequence":"additional","affiliation":[{"name":"Department of Entomology, Cornell University, Cornell AgriTech, 15 Castle Creek Drive, Geneva, NY 14456, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brian A","family":"Nault","sequence":"additional","affiliation":[{"name":"Department of Entomology, Cornell University, Cornell AgriTech, 15 Castle Creek Drive, Geneva, NY 14456, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2021,7,21]]},"reference":[{"key":"2021101314233042800_CIT0001","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1093\/jee\/18.2.265a","article-title":"A method of computing the effectiveness of an insecticide","volume":"18","author":"Abbott","year":"1925","journal-title":"J. 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