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Updated: Jun 22, 2025

Author Spotlight: Influence of Temperature on Drosophila melanogaster and Desert-Adapted Beetles
Published on: July 7, 2023
Climate change, temperature extremes, and impacts on hyperparasitoids
Michal Segoli1, Miriam Kishinevsky2, Jeffrey A Harvey3
1The Mitrani Department of Desert Ecology, The Jacob Blaustein Institutes for Desert Research, SIDEER, Ben-Gurion University of the Negev, Sede Boqer Campus, 8499000 Israel.
Abstract:
Anthropogenic climate change, including temperature extremes, is having a major impact on insect physiology, phenology, behavior, populations, and communities. Hyperparasitoids (insects whose offspring develop in, or on, the body of a primary parasitoid host) are expected to be especially impacted by such effects due to their typical life history traits (e.g. low fecundity and slow development), small populations (being high on the food chain), and cascading effects mediated via lower trophic levels. We review evidence for direct and indirect temperature and climate-related effects mediated via plants, herbivores, and the primary parasitoid host species on hyperparasitoid populations, focusing on higher temperatures. We discuss how hyperparasitoid responses may feed back to the community and affect biological control programs. We conclude that despite their great importance, very little is known about the potential effects of climate change on hyperparasitoids and make a plea for additional studies exploring such responses.
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