Adult nutrition affects reproduction and flight performance of the invasive fall armyworm,Spodoptera frugiperda in China

HE Li-mei; JlANG Shan; CHEN Yu-chao; Kris A. G. WYCKHUYS; GE Shi-shuai; HE Wei; GAO Xi-wu; WU Kong-ming

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Adult nutrition affects reproduction and flight performance of the invasive fall armyworm,Spodoptera frugiperda in China

机译：成人营养对侵入性秋季蚯蚓，Spodoptera Frugiperda的繁殖和飞行性能影响

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Floral resources,such as carbohydrate-rich nectar or pollen,can bolster fitness and raise reproductive output of adult lepidopterans.Here,we used laboratory experiments to assess how those plant-derived foods impact adult fecundity,reproductive physiology and flight performance of an invasive strain of the fall armyworm,Spodoptera frugiperda(FAW;Lepidoptera:Noctuidae)in China.More specifically,supplementary feeding on bee pollen and honey enhanced FAW flight duration,testis size,ovarian development,longevity and adult fecundity.FAW adults attained the longest pre-oviposition(10.8 days)and oviposition period(6.8 days)and longevity(19.2 days)on 5%acacia honey.Upon access to 2.5%acacia honey and 2.5‰pine pollen,S.frugiperda attained the highest mating rate(79.7%),fecundity(644.9 eggs/female)and egg hatching rate(82.3%).Feeding on honey further delayed decay of male testes,while ovarian development was enhanced when female moths were allowed access to 2.5%honey and 2.5‰pine pollen.Upon feeding on 5%honey solution,S.frugiperda engaged in flight over the longest duration(9.5 h),distance(29.9 km)and speed(3.1 km h-1).Honey had a comparatively greater effect on the above parameters than pollen.Our findings help decipher FAW invasion patterns and population dynamics,facilitate the development of nutritional attractants,and contribute to integrated pest management of this newly-invasive pest in eastern Asia.

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《农业科学学报（英文版）》 |2021年第3期|715-726|共12页
作者
HE Li-mei; JlANG Shan; CHEN Yu-chao; Kris A. G. WYCKHUYS; GE Shi-shuai; HE Wei; GAO Xi-wu; WU Kong-ming;
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State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant Protection Chinese Academy of Agricultural Sciences Beijing 100193 P.R.China;

College of Plant Protection China Agricultural University Beijing 100193 P.R.China;

College of Plant Protection Shenyang Agricultural University Shenyang 110866 P.R.China;

State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops Institute of Applied Ecology Fujian Agriculture and Forestry University Fuzhou 350002 P.R.China;

State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant Protection Chinese Academy of Agricultural Sciences Beijing 100193 P.R.China;

State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops Institute of Applied Ecology Fujian Agriculture and Forestry University Fuzhou 350002 P.R.China;

College of Plant Protection Henan Agricultural University Zhengzhou 450002 P.R.China;

College of Plant Protection China Agricultural University Beijing 100193 P.R.China;

State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant Protection Chinese Academy of Agricultural Sciences Beijing 100193 P.R.China;

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Adult nutrition affects reproduction and flight performance of the invasive fall armyworm,Spodoptera frugiperda in China

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