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This research investigates how temperature and egg diapause affect the hatching success of Aedes koreicus eggs during winter.

May 9, 2026Journal of Thermal BiologyOpen Access

Cold tolerance and egg diapause shape overwintering success in Aedes koreicus mosquitoes

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Authors

DRDaniele Da Re DADaniele Arnoldi ARAnnapaola Rizzoli

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Overview

Randomized trial quantifies the impact of temperature and exposure duration on egg hatching success in Aedes koreicus, suggesting implications for invasion potential in colder climates.

Key Points

This research investigates how temperature and egg diapause affect the hatching success of Aedes koreicus eggs during winter.
Experimental exposure of diapausing and non-diapausing Ae. koreicus eggs to fluctuating cold regimes from 5 °C to -20 °C for 2 to 30 days
Control conditions maintained at a constant 5 °C
Generalized linear beta-binomial models analyzed hatching success across temperature and duration.
Non-diapausing eggs showed significantly lower hatching success (0.343 ± 0.029 SE) compared to diapausing eggs (0.487 ± 0.031 SE) after cold exposure.
Diapausing eggs had peak hatching success at subzero temperatures between -5 °C and -10 °C.
Longer cold exposure increased hatching success for diapausing eggs, while non-diapausing eggs were more sensitive to temperature changes.

Cite This Study

Re et al. (2026) studied this question.

synapsesocial.com/papers/69fed10fb9154b0b82878461 https://doi.org/10.1016/j.jtherbio.2026.104482

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May 9, 2026Journal of Thermal BiologyOpen Access

Cold tolerance and egg diapause shape overwintering success in Aedes koreicus mosquitoes

View Full Paper

Ask AI

Bookmark

Authors

DRDaniele Da Re DADaniele Arnoldi ARAnnapaola Rizzoli

Discussion

Member takes

Overview

Randomized trial quantifies the impact of temperature and exposure duration on egg hatching success in Aedes koreicus, suggesting implications for invasion potential in colder climates.

Key Points

This research investigates how temperature and egg diapause affect the hatching success of Aedes koreicus eggs during winter.
Experimental exposure of diapausing and non-diapausing Ae. koreicus eggs to fluctuating cold regimes from 5 °C to -20 °C for 2 to 30 days
Control conditions maintained at a constant 5 °C
Generalized linear beta-binomial models analyzed hatching success across temperature and duration.
Non-diapausing eggs showed significantly lower hatching success (0.343 ± 0.029 SE) compared to diapausing eggs (0.487 ± 0.031 SE) after cold exposure.
Diapausing eggs had peak hatching success at subzero temperatures between -5 °C and -10 °C.
Longer cold exposure increased hatching success for diapausing eggs, while non-diapausing eggs were more sensitive to temperature changes.

Cite This Study

Re et al. (2026) studied this question.

synapsesocial.com/papers/69fed10fb9154b0b82878461 https://doi.org/10.1016/j.jtherbio.2026.104482

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