EDITED:
Study finds that Nile mosquitoes can be trained to learn that the smell of a popular molecule used to repel them means signals a nearby blood meal.
Like we do when slapping it on said blood meal
Claudio R. Lazzari, David De Luca, Ayelén Nally, Charly Dufour, Clément Vinauger; Associative learning switches DEET valence from aversive to appetitive in Aedes aegypti. J Exp Biol 15 May 2026; 229 (10): jeb251935. doi: https://doi.org/10.1242/jeb.251935