Sweep nets are required scouting tools for lygus bugs. Their economic thresholds are based on sweep net counts. Here are five questions related to sweep netting and other timely insect management topics this week.
Was this article helpful?
Let us know if you liked the post. That’s the only way we can improve.
How-to videos on scouting and sweep netting
Lygus bug and cabbage seedpod weevil economic thresholds are based on sweep net counts, and proper counts depend on using the standard sweep net and technique. (See the videos below.) The standard sweep net has a 35” long handle and 15” (38 cm) diameter net. Lygus can show up in all areas of the Prairies,…
Canola Watch quiz: Sweep net contents
What’s in your sweep net? Take the quiz and test your insect scouting skills.
Proper sweep net technique
Thresholds for lygus bugs and cabbage seedpod weevil are based on a specific sweep net technique. If you’re not doing a complete 180° pattern, walking while you sweep, and keeping the net near the top of the canopy, your counts could be significantly different from someone using the recommended techniques. Here are the recommended sweep…
July 20 Quiz — What's in your sweep net?
You may find quite menagerie of insects in your net after 10 sweeps. Can you correctly identify the following five?