文献类型: 外文期刊
第一作者: Wu, Kongming
作者: Wu, Kongming;Heimpel, George E.;Wyckhuys, Kris A. G.;Heimpel, George E.
作者机构:
关键词: Aphis glycines;flight;development;fecundity;maternal effects;FABAE SCOP;SUCCESSIVE ACTIVITIES;TETHERED FLIGHT;CO-ORDINATION;DISPERSAL;HOMOPTERA;MIGRATION;REPRODUCTION;POLYMORPHISM;ENVIRONMENT
期刊名称:JOURNAL OF ECONOMIC ENTOMOLOGY ( 影响因子:2.381; 五年影响因子:2.568 )
ISSN:
年卷期:
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收录情况: SCI
摘要: The soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae), is native to eastern Asia and was accidentally introduced into North America in 2000. Within a few years, it was found throughout the U.S. and Canadian soybean-growing regions. The spread of A. glycines in North America is partly ascribed to its great flight capacity. We conducted direct measurements of flight performance of winged A. glycines adults and con-elated this to their subsequent longevity and fecundity to determine whether there are trade-offs between flight and fecundity. W(: also estimated fecundity and development time of the offspring of females that had flown varying distances to examine potential maternal effects linked to flight. The experiment was conducted using a specifically designed aphid flight mill system in which winged aphids were tethered by their abdomens and flight duration, distance and speed were quantified. Fecundity, longevity and reproductive periods of 12-h-old A. glycines alates that had engaged in >0.5 km long flights were significantly lower than those of <0.5-km individuals. The offspring of alates with flight experiences of >1.5 km also had lower fecundity than those produced by individuals that had engaged in flights <1.5 kin. Our results are therefore consistent both with direct trade-offs between flight and fecundity and a trade-off between flight and fecundity via maternal effects.
分类号: Q969.9
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