Kerala Agricultural University Central Library Search for 'su:{Economic analysis} and su-to:Plant pests.'

Western corn rootworm:

UK CAB International 2005 . 1 online resource (xiv, 310 pages) : , CAB International 0851998178

UK CAB International 2008 . 1 online resource (xiv, 590 pages, 9 unnumbered pages of plates) : , CAB International 9781845933722

By Bailey, Alastair,. UK CAB International 2010 . 1 online resource (v, 232 pages) : , CAB International 9781845935597