Yellow jackets and paper wasps

Yellowjackets and paper wasps are beneficial insects. They feed their young numerous insects that ordinarily damage shade trees and crops. They also kill countless houseflies and blow flies. A few species of yellowjackets, however, such as Vespula pensylvanica (western yellowjacket), V. germanica (German wasp), and V. vulgaris (common yellowjacket), scavenge for meat and sweets and can become pests, especially at picnics and campgrounds. Even though they may at times become pests, yellowjackets and paper wasps are highly beneficial. This guide explains their the life cycle, and gives information to help with identification and control