European paper wasps and yellowjacket wasps can be a problem in the Okanagan during late summer and fall. They gatecrash picnics and outdoor gatherings and can be a source of anxiety because of the possibility of being stung. Last week, I stopped at a nice coffee shop for a cup of coffee and a croissant … Continue reading The Picnic Wasps (Paper Wasps and Yellowjackets)
Tag: wasp predators
The Leafrollers and the Wasp Enemies
I saw a lot of leafrollers on ornamental plants including wild roses, snow berries, chokecherries, Saskatoons, dogwood, Oregon grapes etc. this spring. As their name implies, leafrollers are caterpillars that roll up leaves. The leaves provide a home, food, and some protection from predators and parasitoids. The caterpillars are greenish to yellowish, have dark heads … Continue reading The Leafrollers and the Wasp Enemies
