What insect-watching can tell us about the evolution of animal behaviour

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• Dr William Foster
• Monday 16 February 2026, 18:00-19:00
• Bristol-Myers Squibb Lecture Theatre, Department of Chemistry.

If you have a question about this talk, please contact Beverley Larner.

Behavioural Ecology, the study of the adaptive significance of animal behaviour, has empowered zoologists to tackle some of the fundamental issues of evolutionary biology. Insects, although not always easy to study as individuals in the field, have provided excellent model systems for this area of research. 

In this talk, I will outline some of the research done by myself and colleagues on the behavioural ecology of insects. I will discuss what a saltmarsh beetle can tell us about the evolution of parental care; what marine water-striders can tell us about selfish group behaviour; what the behaviour of gall-living aphids reveals about the altruism of housework, house-maintenance, and the slaughter of intruders; and how extended parental care by solitary digger wasps shows us the  first faltering steps along the route to highly complex social behaviour. Along the way we will visit a saltmarsh in North Norfolk, a mangrove swamp in the Galapagos, the playing fields of Cambridge, a Hill Station in Malaya, and a heathland near Godalming. And we will learn about The Trafalgar Effect, Crozier’s Paradox, and the menopausal aphid glue-bomb.

This talk is part of the Cambridge Philosophical Society series.

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