Students walk on Manhattan campus

Extension Entomology

Yellow garden spider female by Raymond Cloyd

Yellow Garden Spider

We are at that time of year when people start noticing the yellow garden spider, Argiope aurantia , an orb-weaving spider, in landscapes, gardens, unmanaged...

Map of fall armyworm counts.

Scout for Fall Armyworms this Fall

Fall armyworms began arriving in Kansas in mid-June. After a brief lull in activity, pheromone trap counts have been increasing, particularly in the western...

Webworm occupying webbing of an infested alfalfa terminal

Webworms active in pigweed and alfalfa in western Kansas

Heavy webworm infestations in pigweed have been observed in western Kansas in the last two weeks and more recently in alfalfa fields around the region.

Pale western cutworm eggs

Western Bean Cutworm Moths Flying in Western Kansas

Western bean cutworms are primarily a pest of corn with activity generally isolated to the western third of the state. This pest has a single generation and...

Mosquito sucking blood

National Mosquito Control Awareness Week

As summer settles in and warmer weather brings mosquitoes into our daily routines, communities are coming together to celebrate National Mosquito Control Awareness...

fall armyworm

Fall Armyworm is Now Active in Kansas

Fall Armyworm, Spodoptera frugiperda , can damage several important Kansas crops as well as pasture, turf and home landscaping. This insect does not overwinter...