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Resource allocation strategies for survival and reproduction by an invasive pest in response to intermittent fasting

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Current Zoology 2023年第5期69卷 600-606页

作者： Dwi RISTYADI Xiong ZHE Qiao WANG School of Agriculture and Environment Massey UniversityPrivate Bag 11222Palmerston NorthNew Zealand Agriculture Faculty Jambi UniversityKm 15 Mendalo Darat 36361JambiIndonesia

Intermittent fasting(IF)is a type of dietary restriction that involves fasting periods in intervals,which has been used as a strategy to improve health and extend *** fasting is common during the process of biological invasions in ***,it is not clear how invasive animals adjust their resource allocations to survival and reproduction when periodical starvation ***,we used Tetranychus ludeni,a haplodiploid spider mite and an important invasive pest of horticultural crops around the world,to investigate the effects of IF on its life history *** show that IF increased the longevity in females but not in males probably because of differences in resource storage,metabolic rate,and mating cost between *** response to IF,females traded off fecundity and egg size but not the number of daughters for longevity gain,suggesting that *** females can adjust their life history strategies for population survival and growth during invasion *** produced by fasted females realized the same hatch rate and resultant young had the same survival rate as those by unfasted *** addition,IF had transgenerational maternal effects which prolonged offspring development *** suggest that the longer immature developmental period can increase the body size of resulting adults,compensating egg size loss for offspring *** findings provide insight into resource allocations as responses to fasting,knowledge of which can be used for evaluation of pest invasions and for management of animal survival and reproduction by dietary regulations.

关键词： acari fasting longevity offspring performance reproduction tetranychidae

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