Vespula is a small genus of social wasps, widely distributed in the Northern Hemisphere. Along with members of their sister genus Dolichovespula, they are collectively known by the common name yellowjackets (or yellow-jackets) in North America. Vespula species have a shorter oculo-malar space (shown in the figure below) and a more pronounced tendency to nest underground than Dolichovespula.
Yellowjacket Wasps (Hymenoptera: Vespidae) Trapped in Alaska with Heptyl Butyrate, Acetic Acid and Isobutanol
Dec 01, 2005; ABSTRACT Eight species of vespine wasps were captured in traps near Fairbanks, Delta Junction and Palmer, Alaska, during 2003 and...