Demographic analysis of arrhenotokous parthenogenesis and bisexual reproduction of Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae)

Scientific Reports
Tianbo DingBin Zhang

Abstract

Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) is a serious pest that is capable of bisexual and arrhenotokous reproduction. In arrhenotokous reproduction, virgin females initially produce male offspring; later, when their sons are sexually mature, the mothers begin bisexual reproduction by carrying out oedipal mating with their sons. Because a virgin female produces many male offspring before oedipal mating occurs, multiple oedipal mating is common. In this study, we investigated the effect of multiple oedipal mating on the population growth of F. occidentalis by using the age-stage, two-sex life table theory. In the arrhenotokous cohorts, all unfertilized eggs developed into males. In the bisexual cohorts, the offspring sex ratio was significantly female biased with the mean number of female offspring and male offspring being 72.68 and 29.00, respectively. These were the same as the net reproductive rate of female offspring and male offspring. In arrhenotokous cohorts, the number of males available for oedipal mating significantly affected the production of female offspring. The number of female offspring increased as the number of sons available for oedipal mating increased. Correctly characterizing this uni...Continue Reading

References

Mar 31, 2007·Cellular and Molecular Life Sciences : CMLS·T de MeeûsP Agnew
Jul 17, 2014·Journal of Economic Entomology·Shu-Jen TuanHsin Chi

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Citations

Sep 25, 2019·Archives of Insect Biochemistry and Physiology·Bin ZhangFanghao Wan
Jul 24, 2021·Indian Journal of Microbiology·Daniela Cano-CalleRafael E Arango-Isaza
Nov 14, 2021·Evolution; International Journal of Organic Evolution·Thomas J HitchcockLaura Ross

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Methods Mentioned

BETA
PCR

Software Mentioned

BLAST
SigmaPlot
- MSChart
TWOSEX

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