The tomato russet mite (TRM), Aculops lycopersici (Tyron), is a significant pest of tomato ( Solanum lycopersicum L.), with the ability to infest various solanaceous plants and some species outside this family. This study investigated the role of black nightshade ( Solanum nigrum L.), a globally widespread weed, as an alternative host for TRM and its implications for pest dynamics. The development time, survival rate, and repr...