Agriculture is grappling with many pests already, and as USAid's Regina Eddy says, the armyworm is unique in that it is resistant to many conventional pesticides.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/resistance-usual-pesticides-makes-armyworm-more-dangerous
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/star-kenya
[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/pesticides
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kenya
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/food-security
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa