Does mother know best? Range-wide narrowing of host preference in Aricia agestis confers fitness benefits but may incur long-term costs
Brooke Zanco, Maaike de Jong, Ebba Widman, M. Florencia Camus, Jon R. Bridle
This study shows that the UK Brown Argus butterfly's shift in host preference to Geranium molle confers short-term fitness benefits but may lead to long-term population vulnerability under future climate conditions.
bioRxiv · Sep 4, 2025 · PreprintEvolutionary Biology