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The research investigates how varying maternal temperatures during embryonic development influence pea aphid offspring traits.

Embryonic exposure to heat impacts development time, adult morphology and fecundity in pea aphids

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The research investigates how varying maternal temperatures during embryonic development influence pea aphid offspring traits.
Reared live-bearing, asexual female pea aphids at temperatures of 19, 22, 25, 28, and 31°C.
Transferred offspring to a common temperature of 19°C after maternal exposure.
Measured offspring developmental time, morphology, and fecundity.
Offspring from mothers at 31°C largely did not survive to adulthood.
Mothers at 19–25°C had offspring with similar developmental traits.
Offspring from mothers at 28°C developed more slowly, exhibited smaller body parts, and had lower fecundity.

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Examines how maternal temperature exposure affects offspring traits in asexual pea aphids, suggesting lasting developmental impacts.

Schaubroeck et al. (2026) studied this question.

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