Filtering by tag: insecticide ✕

Shows larval instars and how much each one can eat with photos of defoliated leaves

Soybean Looper Defoliation Guide

Authors: Igor Sulzbacher Schardong (NC State University), Dominic D. Reisig (NC State University), Berenice Romero (Louisiana State University), Jeff Davis, (Louisiana State University)This tool is…

Photo shows the top of a soybean canopy with leaf defoliation

Why Soybean Loopers Are Frustrating to Control and What We Are Doing About It

Soybean loopers are usually among the top three insect pests in North Carolina in terms of cost and control. In 2021, we estimated costs and losses from this pest at nearly $5.3 million, but I expect…

Green caterpillar resting on a leaf held between two fingers

Soybean Looper Thresholds and Insecticide Recommendation

Soybean loopers have already shown up in coastal counties in higher numbers than usual. As this generation cycles through, we are seeing the next generation showing up in full force as we slide into…