How Some Insects Turn Plants Into Pollution Detectors
A wide variety of insects cause their host plants to form protective galls. These abnormal growths are rich in nutrients—as well as contaminants the plant might absorb from the soil. New research shows these insect-induced galls can double as highly sensitive pollution detectors.
Hidden Diversity: When One Wasp Species is Actually 16
A tiny parasitoid wasp species, long considered a generalist with more than 65 different host species, is revealed in a new study to actually comprise at least 16 different species, identical in appearance but genetically distinct.