Over the last month, armyworms have marched across much of Kansas, and that — unfortunately — includes the KVOE listening area.
RichMor Lawn Care owner Mark Morgan has reported issues in Emporia and other area communities the last two weeks.
Morgan says the worms can destroy a lawn in two to seven days, depending on how many worms are involved.
Lyon County Extension Horticulturist Travis Carmichael says issues with armyworms were first noted in south-central Kansas, as well as Kansas City and Topeka. He says armyworms can destroy a lawn — and also other plants.
Carmichael says most of the damage happens when the larvae burrow into the soil, pupate and then emerge as moths — a two- to three-week process. Both Morgan and Carmichael say the damage can initially look like drought stress or damage from other insects like grubworms, so you’ll need to figure out exactly what your problem is. To test for armyworms or armyworm moths, Morgan suggests mixing a tablespoon of dish soap in a bucket of water and pouring near the edge of the affected area. If armyworms or moths are present, they will rise to the surface within a matter of minutes. Pesticide treatments typically happen in two rounds between seven to 10 days apart.
Carmichael’s the featured guest on KVOE’s In the Garden at 11:06 am every Thursday. If you have questions about armyworms or other plant-related concerns, you can call the program at 620-342-5863.
