Western yellowstriped armyworm Large outbreaks of Western yellowstriped armyworm were reported in Enderby, Armstrong and Spallumcheen in 2018. The caterpillars caused a lot of damage to alfalfa, corn, gardens and other crops.  Unfortunately, the caterpillars are back again this year. Western yellowstriped armyworm caterpillars are black with pale yellow stripes on the body. The front … Continue reading Armyworms