Without bats to eat insects, farmers turned to more pesticides, a study found. That appears to have increased infant deaths. Without bats to eat insects, farmers turned to more pesticides, a study found. That appears to have increased infant deaths. Bats, Wildlife Die-Offs, Infant Mortality, Insects, Pesticides, Agriculture and Farming, Research, Science (Journal), Frank, Eyal, Fungi, Biodiversity, Environment, Pollution, North America, United States NYT > Science