The study recorded a 59% increase in corn earworm larvae in areas where bats were not present
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bats-perform-vital-pest-control-crops
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/bbc-uk
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/crop-pests
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/animal-diseases
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecology