Pyrethroid Resistance in Fall Armyworm in KY Wheat: Prevention & Management

By Felipe Batista and Raul Villanueva
Published on May. 19, 2025

In October 2024, we received a report of a fall armyworm (Spodoptera frugiperda) (Lepidoptera: Noctuidae) outbreak in a wheat field in Daviess County, western Kentucky (Figure 1). After visiting the field, we collected 82 live caterpillars after the application of a pyrethroid insecticide.

Sevenspotted Lady Beetle Population Surged During First Week of May 2025

By Raul Villanueva
Published on May. 15, 2025

One lady beetle species may have increased due to the abundance of aphids in wheat. This personal observation is based on my visits to wheat fields in western Kentucky.

Late-season management tips for winter wheat

Published on May. 12, 2025

By Jennifer Elwell. Sources: Chad Lee, Travis Legleiter, Raul Villanueva, and Carl Bradley May is the prime time to scout and take action for wheat for diseases, insects and weeds.  

Monitoring of Seedcorn Maggot May Be Required During Planting & Germination

By Raul Villanueva
Published on May. 8, 2025

 Seedcorn Maggot

Aphids Landing on Small Cereals a Little Bit Late to Cause Major Concerns

By Raul Villanueva
Published on May. 1, 2025

From January until mid-April, the entomology program for small cereals in Princeton monitored aphid populations in wheat planted on four different dates (from mid-September to December 1, 2024). Aphids were largely absent during this period. However, from mid-March to mid-April, an average of fewer than two aphids per 1-foot-row was recorded.

Abundance of the Silver-Spotted Skipper in Soybeans in Kentucky in 2024

By Felipe Batista and Raul Villanueva
Published on Jan. 22, 2025

Background and Description of Silver-spotted skipper