European earthworms reduce insect populations in North American forests

Earthworms introduced into northern North America have a negative impact on the insect fauna above ground. Soil ecologists found this impact for abundance as well as for biomass and species richness of insects. Their results indicate that changes in insect communities can have causes that have previously received little attention.

from Top Environment News -- ScienceDaily https://ift.tt/sJxEL4h