Here's how to judge sugarcane aphid populations in grain sorghum

Sugarcane aphid populations can build to damaging levels quickly under the right conditions. Weekly or twice weekly scouting is essential to identify populations and to initiate treatments in a timely manner. Texas AgriLife Extension and Research entomologists have developed scouting, sampling and treatment protocols for effective control and to allow beneficial insects an opportunity to control low-level populations.

Here are examples of aphid populations from no threat of injury to potential heavy loss to sugarcane aphid. Also included is a guide to estimate populations to help determine proper insecticide application timing. The information is available on a Texas AgriLife Extension Scouting Sugarcane Aphid scout card.

Photos courtesy of Travis Ahrens, Mike Brewer, and Pat Porter--Texas AgriLife.


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