WebFigure 1. Comparison of heptyl butyrate and chicken extr act as attractants in traps. Yellowjacket traps containing either heptyl butyrate (HB) or chicken extract (CE) were … Webto determine if heptyl butyrate is emitted. Heptyl butyrate was present in the headspace of live workers. Amounts of heptyl butyrate averaged 1.4±0.2 ng per sample per hour, …

The Great Lakes Entomologist

WebEight species of vespine wasps were captured in traps near Fairbanks, Delta Junction and Palmer, Alaska, during 2003 and 2004, and season-long trapping indicated a presence … Web13 jan. 2024 · In 2009, a fact sheet issued by the US Environmental Protection Agency stated that heptyl butyrate is a safe, food-grade compound. Earlier that year, EPA had … columbine commons the lakes

Discovery and Development of Chemical Attractants Used to Trap …

Web• Use baits and traps for control of yellow jackets in June and early July. The western yellow jacket is attracted to the chemical heptyl butyrate, which is included as a lure in many … WebBoth do prey on honey bees. As bad as Yellow Jackets can be, think of European Paper Wasps as a type of Yellow Jacket on steroids. Those flying stinging pissed off critters … Web28 apr. 2024 · While yellowjacket traps help control the wasps near your home or business, discourage the stinging pests by minimizing food sources. Cover foods and … columbine clothing