K-State crop entomologist discusses worms in agricultural fields By Shelby Varner, K-State Research and Extension news writer MANHATTAN, Kan. – The destructive – though rarely seen – armyworm has taken its voracious appetite to many Kansas farm fields this fall. Kansas State University crop entomologist Jeff Whitworth said many Kansas farmers are reporting sightings of the small worm, which feeds on turf grasses, vegetables and other plants when other food sources become scarce.…