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Suppression of Rice Stem Borer, Chilo suppressalis by mass trapping Using Synthetic Sex Pheromone in Paddy Field

Rice science 2003年第1期10卷 52-56页

作者： SU Jian-wei, XUAN Wei-jian, SHENG Cheng-fa, GE Feng (Institute of Zoology, Chinese Academy of Sciences, Beijing 100080, China) Institute of Zoology Chinese Academy of Sciences Beijing 100080 China

Suppressing effects of mass trapping using synthetic sex pheromone with main active ingredients of Z-11-hexadecenal, Z-13-octadecenal and Z-9-hexadecenal on the rice stem borer, Chilo suppressalis were investigated during the flight periods of the overwintering and 1st generation in the paddy area of 60 ha in 1999. Population density of C. suppressalis in the pheromone-treated fields was lower than that in control. The egg masses decreased by 74.39% and population size of adult males of the 1st generation decreased by 61.64% in the treated fields as compared to control. Meanwhile, the damage by C. suppressalis larvae was significantly lower in the treated fields than control (t-test, P=0.05). Percentages of brownish leaf sheath, dead heart, and white head in the treated fields were decreased by 70.90%, 57.01% and 44.30%, respectively in contrast to control. The present study demonstrated that mass trapping to C. suppressalis using synthetic sex pheromone shows great potential as an alternative measure in an environment-friendly pest management and at the same challenging the insecticide use that has some environment impacts.

关键词： Chilo suppressalis sex pheromone mass trapping rice

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Development and first evaluation of an attractant impregnated adhesive tape against blood-sucking flies

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Insect Science 2022年第2期29卷 603-612页

作者： Junwei J.Zhu Gwang-Hyun Roh Yosuke Asamoto Kujtim Bizati Jen-Chieh Liu Alexander Lehmann Kyle Harrison David BTaylor Hironao Otake Agroecosystem Management Research Unit US Department of AgricultureAgricultural Research ServiceLincolnNebraskaUSA US Pacific Basin Agricultural Research Center US Department of AgricultureAgricultural Research ServiceHiloHawaiiUSA Oak Ridge Institute for Science and Education Oak RidgeTennesseeUSA Nitto Inc. TeaneckNew JerseyUSA Department of Entomology University of NebraskaLincolnNebraskaUSA

Stable flies are one of the most important arthropod pests of livestock that reduce cattle weight gain and milk production leading to annual economic losses in excess of$2 billion to the US cattle *** host-seeking behavior is primarily mediated by associated odors from stable fly larval development environments and host *** present paper reports the development and evaluation of attractant-impregnated adhesive tapes to reduce stable fly attacks on *** bioassays showed that only m-cresol impregnated adhesive tapes caught significantly more stable flies(16±1)than the control tape without attractant added(7±1),with a 77%fly recapture ***-impregnated adhesive tapes deployed in cattle feedlots showed significant impacts in reducing fly population,with a total of one million stable flies captured over a period of three weeks(mean catches from 57596 to 102088 stable flies per trap per week).It further relieved cattle stress with a significant reduction of biting fly avoidance behavior,(6±0.4 cows observed with tail wagging in control vs.3±0.4 from the trap-deployed).The efficacy of the developed tapes lasted up to 1-week longevity,although 70%of m-cresol was released starting from the second *** m-cresol impregnated adhesive tape provided an 80%reduction in cattle stress due to stable fly *** is the first report of a technology developed by integrating an attractant compound into an adhesive material on a plastic film with demonstrated effectiveness in trapping biting flies that attack livestock animals.

关键词： cattle stress reduction mass trapping m-cresol-impregnated adhesive tapes Stomoxys calcitrans

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Female moths of cotton bollworm （Lepidoptera： Noctuidae） captured by waterbasin traps baited with synthetic female sex pheromone

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Insect Science 2006年第4期13卷 293-299页

作者： JIAN-WEI SU HONG-TUO WANG FENG GE State Key Laboratory of Integrated Management of Pest Insects and Rodents Institute of Zoology CAS Beijing China

Cotton bollworm, Helicoverpa armigera （Hüibner）（Lepidoptera： Noctuidae）, is one of the most important pest insects in cotton fields in China. Female moths were captured by waterbasin traps with a synthetic female sex pheromone blend in cotton fields over three years. The blend contained （Z）-11-hexadecenal and （Z）-9-hexadecenal with a ratio of 97：3. Each pheromone dispenser was impregnated with 2.0 mg of pheromone blend and 0.2 mg of antioxidant dissolved with 0.1 mL of hexane, and there was a control dispenser with a similar amount of antioxidant and solvent only. Waterbasin traps were deployed in three configurations in the fields. ‘A＇ was pheromone traps only, ‘B＇ was both pheromone and control traps, ‘C＇ was control traps only. （i） In four plots of ‘A＇, the average weekly female catch was 1.5, and more females were captured by centrally located pheromone traps. （ii） In three plots of‘B＇, control traps also captured female as well as male moths, but average weekly female catches of control traps was significantly lower than that in pheromone-baited traps. （iii） There were significant linear relationships between the average weekly female catch and the corresponding layer in pheromone-baited traps in both ‘A＇ and ‘B＇ plots, and in quadratic equations in control in ‘B＇ plots. （iv） With the increase of the interval of traps, average weekly female catches per trap increased but average weekly female catches per hectare decreased. （v） Among the female moths captured by pheromone traps, 88.3% were mated female moths which each containing 1.46 spermatophores, while in control traps 86.9% of the mated female moths had 0.90 spermatophores. There was a significant difference between the average numbers of spermatophores of mated females in pheromone traps and in controls.

关键词： female sex pheromone Helicoverpa armigera mass trapping spatial distribution

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