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August 27, 2026Medical and Veterinary EntomologyOpen Access

Effects of A saia spp. on the development, size and associated microbiomes of two mosquito species of medical importance

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Authors

ARAlessandro RomanPLPaula LuikensCKConstantianus J. M. Koenraadt

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Overview

Laboratory study reveals Asaia inoculation accelerates larval development and increases adult size in Aedes aegypti and Culex pipiens molestus, highlighting its utility for vector control rearing.

Key Points

  • To determine the effects of larval water inoculation with Asaia species on development rate, adult body size, and microbiome structure in Aedes aegypti and Culex pipiens molestus.
  • Inoculated larval rearing water with Asaia bogorensis and Asaia krungthepensis across Ae. aegypti and Cx. p. molestus cultures.
  • Measured larval development duration, pupation completion rates, and sex-specific adult body sizes.
  • Conducted 16S rRNA amplicon sequencing on larvae and pupae to evaluate changes in bacterial microbiome composition.
  • Asaia exposure shortened larval development time and increased adult body size in both mosquito species, while increasing the pupation rate in Ae. aegypti.
  • Adult size alterations were sex-specific: A. bogorensis increased size in both males and females, whereas A. krungthepensis increased size in males only.
  • Microbial community profiling showed shifts in overall community structure following inoculation, driven primarily by changes in low-abundance bacterial taxa.

Cite This Study

Roman et al. (2026) studied this question.

synapsesocial.com/papers/6a8fe9b910c91c1e926219c7https://doi.org/10.1111/mve.70109
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