Sperm length ornamentation associates with survival and sterility after heatwaves among Drosophila species
Ana Márquez-Rosado, Liam R. Dougherty, Won-Yong Choi, R. Antonio Gómez, Christopher Mitchell, Scott Pitnick, Stuart Wigby
This study finds that longer sperm in Drosophila species correlates with higher heat survival but greater heat-induced sterility, linking sexual selection to climate resilience and infertility risks.
bioRxiv · Oct 9, 2026 · PreprintEvolutionary Biology