What question did this study set out to answer?

To determine how larval rearing density and two distinct Wolbachia infection strains (wMel and wAlbB) interact to influence wing morphometry, developmental stability, and life-history traits in Aedes aegypti mosquitoes.

September 16, 2026Scientific ReportsOpen Access

Effects of larval density and Wolbachia strains on life-history traits of Aedes aegypti mosquitoes

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Authors

JWJanne WoutersVrije Universiteit Brussel GGGabriela A. Garcia MMManuella Mello-BarbosaFaculdades Oswaldo Cruz

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Implication

Experimental study reveals divergent morphological and survival outcomes in Aedes aegypti mosquitoes, highlighting key trade-offs for Wolbachia-based biocontrol programs.

Key Points

To determine how larval rearing density and two distinct Wolbachia infection strains (wMel and wAlbB) interact to influence wing morphometry, developmental stability, and life-history traits in Aedes aegypti mosquitoes.
Reared uninfected, wMel-infected, and wAlbB-infected Aedes aegypti mosquitoes under controlled variations in larval density.
Quantified adult wing length and fluctuating asymmetry using geometric morphometrics.
Measured adult longevity and reproductive output across all experimental treatment combinations.
Both wMel and wAlbB infections significantly increased wing length compared with uninfected mosquitoes, whereas higher larval density reduced overall adult body size without altering wing asymmetry.
Infection with wMel extended lifespan but decreased fecundity, whereas wAlbB reduced lifespan with only a minor reduction in reproductive output.
Morphological asymmetry consistently predicted decreased individual fitness across all strains, correlating with increased mortality risk and reduced fecundity.

Cite This Study

Wouters et al. (2026) studied this question.

synapsesocial.com/papers/6aab3efd80b9b6127d473b2d https://doi.org/10.1038/s41598-026-71496-0

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Implication

Experimental study reveals divergent morphological and survival outcomes in Aedes aegypti mosquitoes, highlighting key trade-offs for Wolbachia-based biocontrol programs.

Effects of larval density and Wolbachia strains on life-history traits of Aedes aegypti mosquitoes

Discussion

Member takes

Implication

Key Points

Cite This Study

Effects of larval density and Wolbachia strains on life-history traits of Aedes aegypti mosquitoes

Discussion

Member takes

Implication

Key Points

Cite This Study

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