Her obsession with dragonflies began with the Marshall fire that destroyed her home in 2021. Sarah Nalley, who did her undergraduate work in evolutionary biology, already planned to dedicate her ...

Some male dragonflies have a waxy coat that keeps them cool while pursuing mates and may also help the insects shrug off a warming climate. U.S. dragonfly species that produce the special wax are ...

A study published the week of July 5 in the Proceedings of the National Academy of Sciences led by Michael Moore at Washington University in St. Louis finds that dragonfly males have consistently ...

CU Denver PhD studet Sarah Nalley used 40 years of publicly available data and found “ornamented” dragonflies are disappearing from burned habitats and hotter regions across the U.S. Thermal imaging ...

A new study finds that dragonfly males have consistently evolved less breeding coloration in regions with hotter climates. The research reveals that mating-related traits can be just as important to ...

"Our study shows that the wing pigmentation of dragonfly males evolves so consistently in response to the climate that it's among the most predictable evolutionary responses ever observed for a mating ...