{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,16]],"date-time":"2026-06-16T18:01:35Z","timestamp":1781632895113,"version":"3.54.5"},"reference-count":40,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2010,10,27]],"date-time":"2010-10-27T00:00:00Z","timestamp":1288137600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["scijournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pest Management Science"],"published-print":{"date-parts":[[2011,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:bold>BACKGROUND:<\/jats:bold> Monitoring traps and control methods are needed for the long\u2010legged chafer, <jats:italic>Hoplia spectabilis<\/jats:italic> Medvedev, which has recently reached outbreak numbers in pastureland of Qinghai Province, China.<\/jats:p><jats:p><jats:bold>RESULTS:<\/jats:bold> Field trapping experiments, using cross\u2010pane funnel (barrier) traps, showed that <jats:italic>H. spectabilis<\/jats:italic> adults were not significantly attracted to branches of the host plant <jats:italic>Dasiphora fructicosa<\/jats:italic> (L.) Rydb. However, beetles were slightly attracted to similar host plant branches infested by conspecific beetles, possibly owing to weakly attractive volatiles, primarily (<jats:italic>Z<\/jats:italic>)\u20103\u2010hexenyl acetate, released from beetle\u2010damaged host leaves. This compound was weakly attractive when released from traps. However, <jats:italic>H. spectabilis<\/jats:italic> beetles showed strong visual responses to yellow\u2010 or white\u2010painted trap panes, with weaker responses to blue, red or green panes, and least response to black panes. Black traps at 0.2\u20131.5 m above ground intercepted significantly more beetles than traps at 2.5 m. The mean flight height based on trap catches was 0.88 m (SD = 0.76), yielding an effective flight layer of 1.9 m. Flight response of beetles to colored barrier traps occurred between 10:00 and 18:00, and peaked between 12:00\u201014:00, when daily temperatures reached their maximum.<\/jats:p><jats:p><jats:bold>CONCLUSION:<\/jats:bold> Unbaited yellow or white cross\u2010pane funnel traps are recommended for both monitoring and mass\u2010trapping programs against this economically and ecologically important scarab beetle. Copyright \u00a9 2010 Society of Chemical Industry<\/jats:p>","DOI":"10.1002\/ps.2045","type":"journal-article","created":{"date-parts":[[2010,10,27]],"date-time":"2010-10-27T12:37:24Z","timestamp":1288183044000},"page":"162-169","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Olfactory and visual responses of the longlegged chafer <i>Hoplia spectabilis<\/i> Medvedev (Coleoptera: Scarabaeidae) in Qinghai Province, China"],"prefix":"10.1002","volume":"67","author":[{"given":"Qing\u2010He","family":"Zhang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian\u2010Hai","family":"Ma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qi\u2010Qing","family":"Yang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John A","family":"Byers","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael G","family":"Klein","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feng\u2010Yu","family":"Zhao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"You\u2010Qing","family":"Luo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2010,10,27]]},"reference":[{"key":"e_1_2_6_2_2","first-page":"17","article-title":"Morphological characteristics of adult and egg of Hoplia spectabilis Medvedev (Coleoptera: Scarabaeidae)","volume":"28","author":"Nong X\u2010Q","year":"2009","journal-title":"Forest Pest Dis"},{"key":"e_1_2_6_3_2","first-page":"12","article-title":"Observation on bionomics of Hoplia spectabilis","volume":"28","author":"Yang Q\u2010Q","year":"2009","journal-title":"Forest Pest Dis"},{"key":"e_1_2_6_4_2","unstructured":"MedvedevSI Scarabaeidae. 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