{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T05:59:05Z","timestamp":1790229545705,"version":"4.1.0"},"reference-count":42,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T00:00:00Z","timestamp":1790121600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T00:00:00Z","timestamp":1790121600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["32572830"],"award-info":[{"award-number":["32572830"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["scijournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pest Management Science"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>BACKGROUND<\/jats:title>\n                    <jats:p>\n                      Negative phototaxis is a widespread but underexplored behavior in concealed\u2010feeding insects, and its adaptive value and sensory mechanisms remain poorly understood compared with light attraction. The invasive palm pest\n                      <jats:italic>Octodonta nipae<\/jats:italic>\n                      inhabits folded leaflets and shaded microhabitats, providing a suitable system to examine how light avoidance contributes to habitat adaptation and whether opsin\u2010mediated perception regulates stage\u2010specific phototaxis.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>\n                      Larvae of\n                      <jats:italic>O. nipae<\/jats:italic>\n                      exhibited strong negative phototaxis (&gt;70% selected dark chambers), whereas adults displayed positive phototaxis (~70% selected illuminated chambers). Complete darkness promoted larval body\u2010length growth, with larvae reaching 7.75\u2009mm at 15\u2009days, and shortened development by ~1.7\u2009days under leaf\u2010bound conditions compared with the standard 12\u2009h light:12\u2009dark cycle, while survival remained comparable. Five opsin genes were identified, including the UV\u2010sensitive\n                      <jats:italic>OnRh3<\/jats:italic>\n                      and long\u2010wavelength\u2010sensitive\n                      <jats:italic>OnRh6<\/jats:italic>\n                      , which showed pronounced adult\u2010biased expression and strong transcriptional responses to light regimes. RNAi\u2010mediated silencing of either gene reversed adult positive phototaxis, with approximately 80% of silenced adults selecting dark chambers, whereas ectopic overexpression in\n                      <jats:italic>Drosophila melanogaster<\/jats:italic>\n                      larvae shifted behavior from innate light avoidance (~70% selecting dark sectors) to increased light selection (&gt;60% selecting illuminated sectors).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSION<\/jats:title>\n                    <jats:p>\n                      These findings link larval negative phototaxis to developmental advantages in concealed habitats and identify\n                      <jats:italic>OnRh3<\/jats:italic>\n                      and\n                      <jats:italic>OnRh6<\/jats:italic>\n                      as key mediators of opsin\u2010dependent phototactic behavior. They further indicate that opsin\u2010mediated light perception contributes to stage\u2010specific behavior in this invasive pest, providing insights for future light\u2010based monitoring studies. \u00a9 2026 Society of Chemical Industry.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ps.71350","type":"journal-article","created":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T05:00:59Z","timestamp":1790226059000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Stage\u2010specific phototactic behavior and opsin\u2010mediated light perception in the concealed\u2010feeding palm pest\n                    <scp>\n                      <i>Octodonta nipae<\/i>\n                    <\/scp>"],"prefix":"10.1002","author":[{"given":"Jia\u2010Wei","family":"Li","sequence":"first","affiliation":[{"name":"State Key Laboratory of Agricultural and Forestry Biosecurity College of Plant 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