Publications for:

pest = Phyllophaga (genus)
crop = Grasses/turf/rangeland

found 2 publications:

2007

Acoustic indicators for mapping infestation probabilities of soil invertebrates
Journal of Economic Entomology (2007) 100 (3), 790-800
pestinfo wiki

1997

Species composition of root-feeding macroarthropods in a subalpine grassland associated with pine forest in Mexico
The Canadian Entomologist (1997) 129 (1), 71-80
publishers website - pestinfo wiki