Would Mothers Relax Their Degree of Selectivity for Supports Suitable for Egg-Laying When the Local Density of Conspecific Females Increases? A Case Study with Three Common Lepidopteran Leaf Miners

Béguinot, Jean

doi:10.5402/2012/197615

Cited by 3 publications

(3 citation statements)

References 31 publications

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“…Phyllonorycter maestingella : open dots mothers, even at high density levels [9][10]. This trend, acknowledged for three common leaf-mining moth species, likely stands as well for L. malifoliella.…”

Section: Leucoptera Malifoliella : Black Diamondsmentioning

confidence: 96%

“…The clutch-size nc proves to be independent of leaf-acceptance ratio α, and, in addition, both α and nc vary independently of µ and, thus, feature insensitive to local mothers' density [4,[9][10]. Accordingly, any given level of mining impact may thus result from a virtually infinite variety of combinations of values of α, nc, µ.…”

Section: The Procedures Implemented For the Retrospective Estimations Of Parameters α Nc µmentioning

confidence: 99%

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Quantitative analysis of the causes of outbreaks in leaf-mining insects: application to the common leaf-miner Leucoptera malifoliella (Lepidoptera: Lyonetiidae) on apple tree

Béguinot¹

2017

GSC Biol. Pharm. Sci.

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Leaf-mining by insects usually have limited detrimental consequences on host-trees. Yet, Leucoptera malifoliella, a common leaf-mining moth on Rosaceae, is among those leaf-mining species that can exhibit occasional, sometimes even regular eruptive impacts on their hosts, in particular on apple trees. Here, we address the different causes involved in a particular case of nascent outbreak of this moth observed in the wild that is independently of the artificial conditions that prevail in densely planted apple orchards. Relevantly analyzing the reasons of eruptive outbreaks remains difficult however, as multiple causes are involved and their respective influences on mining-impact level are largely intermingled. Thus, in order to disentangle the respective contributions of each cause in quantitative terms, a specifically dedicated approach, the "Melba" procedure, was implemented and applied to the data issued from an exhaustive sampling of the foliage of the studied wild apple-tree. Out of the three main causal components of mining impact level, neither the average clutch-size nor the severity of mated females in selecting those leaves acceptable for oviposition substantially differ from the ranges of values encountered in other leaf-mining species having high but non-eruptive mining impacts on their respective hosts. In fact, the recorded nascent outbreak is mainly attributable to the unusually high density of mated females attracted to the investigated host tree. Accordingly, metapopulation effects obviously play a major role in triggering the recorded eruptive impact.

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Section: Leucoptera Malifoliella : Black Diamondsmentioning

confidence: 96%

Section: The Procedures Implemented For the Retrospective Estimations Of Parameters α Nc µmentioning

confidence: 99%

Quantitative analysis of the causes of outbreaks in leaf-mining insects: application to the common leaf-miner Leucoptera malifoliella (Lepidoptera: Lyonetiidae) on apple tree

Béguinot¹

2017

GSC Biol. Pharm. Sci.

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“…Insects have a certain selectivity to different hosts (Roslin et al 2006;Gripenberg 2007;Jin et al 2008;Béguinot 2012), and at different stages, insects will select different hosts based on their purpose; e.g., breeding adults will select a suitable "nest" (Roslin et al 2006;Gripenberg 2007;Béguinot 2012). Selection tests showed that the amount of H. armigera adult oviposition decreased on cotton plants stressed in high NaCl stress under closed conditions.…”

Section: Effects Of Nacl-stressed Bt Cotton On H Armigera Adult Ovipmentioning

confidence: 99%

Effects of NaCl stress on the biochemical substances in Bt cotton as well as on the growth and development and adult oviposition selectivity of Helicoverpa armigera

et al. 2019

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Background: Recently, due to the development of food security strategies, cotton has been planted in inland saline-alkali dry soils or in coastal some saline-alkali soils in China. Under the condition, to comprehensively prevent and control Helicoverpa armigera in cotton fields with saline-alkali soils, it is important to study the larval growth and development of H. armigera and to study adult oviposition selectivity in H. armigera adults that feed on NaCl-stressed cotton plants. Results: In this study, Bt cotton GK19 was used for the experimental group and its nontransgenic parent Simian 3 was used for the control to study the effects of biochemical substances in cotton as well as larval growth and development and adult oviposition selectivity of H. armigera. The experiments were performed by growing cotton indoors under NaCl stress at concentrations of 0 mmol•L − 1 , 75 mmol•L − 1 and 150 mmol•L − 1 , respectively. The results showed that the expression of Bt protein was significantly inhibited for NaCl-stressed Bt cotton. The content of soluble protein and K + in the leaves of cotton were decreased, while the content of gossypol and Na + were increased. In addition, the 5 th instar H. armigera larvae exhibited shorten the life span in a 13-day trial period. Under enclosure treatments and at different female densities, the adult oviposition of H. armigera decreased on high NaCl-stressed nontransgenic cotton, while the oviposition on Bt cotton tended to first increase but then decrease under low, moderate and high NaCl stress treatments. Conclusions: Under certain content ranges of NaCl stress treatments, larval of H. armigera growth and development, and adult oviposition were no significant difference in the change for a certain period. However, under high NaCl stress, larval growth, development and adult oviposition were affected, which may provide insights for the prevention and control of H. armigera for Bt cotton in saline-alkali soils.

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Testing for congruence between the oviposition behaviour of leaf-mining insects and the degree of phylogenetic relatedness among either mining species or hosts species: a case study within the mining moth genus Phyllonorycter (Lepidoptera: Gracillariidae)

Béguinot¹

2019

GSc Adv. Res. Rev.

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In leaf-mining insects, the oviposition behaviour is especially critical for the welfare of the future brood, the latter being usually doomed to develop entirely within the host-leaf selected for egg-laying by the ovipositing females. As, moreover, oviposition behaviour in leaf miners depends upon the taxonomic identities of both the mining-insect and the host, one can thus speculate that the patterns of oviposition behaviour of different leaf-mining species could be more or less congruent with either the degree of phylogenetic relatedness of the leaf-mining species themselves or the degree of phylogenetic relatedness of their respective host-species. Here, I test successively these two hypotheses – the “miners phylogenetic relatedness” hypothesis and the “hosts phylogenetic relatedness” hypothesis – by addressing a system insect-plant involving four mining moth species (all four belonging to the genus Phyllonorycter) and the three corresponding host-tree species, all included within the family Betulaceae. It turns out that, for this system at least, neither of the two previous hypotheses is actually supported. Possible reasons for this double rejection are discussed accordingly.

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Would Mothers Relax Their Degree of Selectivity for Supports Suitable for Egg-Laying When the Local Density of Conspecific Females Increases? A Case Study with Three Common Lepidopteran Leaf Miners

Cited by 3 publications

References 31 publications

Quantitative analysis of the causes of outbreaks in leaf-mining insects: application to the common leaf-miner Leucoptera malifoliella (Lepidoptera: Lyonetiidae) on apple tree

Quantitative analysis of the causes of outbreaks in leaf-mining insects: application to the common leaf-miner Leucoptera malifoliella (Lepidoptera: Lyonetiidae) on apple tree

Effects of NaCl stress on the biochemical substances in Bt cotton as well as on the growth and development and adult oviposition selectivity of Helicoverpa armigera

Testing for congruence between the oviposition behaviour of leaf-mining insects and the degree of phylogenetic relatedness among either mining species or hosts species: a case study within the mining moth genus Phyllonorycter (Lepidoptera: Gracillariidae)

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