Yellow sticky traps for monitoring levels of Asian citrus psyllid (Diaphorina citri) illustrate the reduction in bycatch when using tulle mesh as a screen. Researchers led by Texas A&M’s Mamadou Sétamou, Ph.D., say the mesh-covered traps reduce bycatch almost to zero while maintaining effectiveness in capturing psyllids. (Image originally published in Sétamou et al 2019, Journal of Economic Entomology)