ArticleScientific reports2021
Poor adult nutrition impairs learning and memory in a parasitoid wasp.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 7 citations in OpenAlex.
- Persistence of Carbohydrate Availability Shapes Longevity and Reproductive Performance ofInsects · 2026Article
- Optimizing survival of Leptocybe invasa (Hymenoptera: Eulophidae) parasitoids: effects of nutrition and temperature.Journal of insect science (Online) · 2026Article
- Advances and Prospects in Odour-based Management of Filth Flies.Journal of chemical ecology · 2026Review
- ImprovingInsects · 2025Article
- A novel insecticide impairs bumblebee memory and sucrose responsiveness across high and low nutrition.Royal Society open science · 2024Article
Corrections and comments
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Authors and funding
5 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Animals have evolved cognitive abilities whose impairment can incur dramatic fitness costs. While malnutrition is known to impact brain development and cognitive functions in vertebrates, little is known in insects whose small brain appears particularly vulnerable to environmental stressors. Here, we investigated the influence of diet quality on learning and memory in the parasitoid wasp Venturia canescens. Newly emerged adults were exposed for 24 h to either honey, 20% sucrose solution, 10% sucrose solution, or water, before being conditioned in an olfactory associative learning task in which an odor was associated to a host larvae (reward). Honey fed wasps showed 3.5 times higher learning performances and 1.5 times longer memory retention than wasps fed sucrose solutions or water. Poor diets also reduced longevity and fecundity. Our results demonstrate the importance of early adult nutrition for optimal cognitive function in these parasitoid wasps that must quickly develop long-term olfactory memories for searching suitable hosts for their progeny.
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