But then there are yellow jackets (Vespula spp), which become aggressive as their populations soar in mid- to late-summer and ...

Scavenging yellow jackets are less aggressive than those that are protecting a nest. And you are correct; they will not harm the trees and will generally not attack unless provoked. We commend you for ...

Yellow jackets aren't friends in your backyard. They're quite a bit more aggressive than your average wasp—they're capable of stinging multiple times—so they aren't a pest you want circling ...

When he is the main ball handler for the Yellow Jackets during the game the offense moves better and faster. I think at the beginning of games he is not aggressive enough with his touches.