A chemical used in mosquito repellents may disorient bumblebees, stopping them from finding their way back to their nests, a recent study found. Researchers in Finland exposed 123 buff-tailed bumblebees (Bombus terrestris), one of the most abundant bumblebee species in Europe, to a standard consumer mosquito repellent containing prallethrin, a type of pyrethroid insecticide. One […] Source: Conservation news