Southern Yellowjacket (Vespula squamosa)

Habits:

Southern Yellowjackets will scavenge for protein and are attracted to meats and sugary foods, and may be pests around trash cans and picnics. In warm climates, some Southern Yellowjacket colonies can overwinter, lasting longer than a year.

Nests:

Southern Yellowjacket nests are likely to be found in urban and suburban areas, such as yards, parks and roadsides. Most nests are subterranean, but Southern Yellowjacket nests have been reported in aerial locations and house wall voids. Peak population usually ranges between 500 and 4000 workers. Entire colonies -- not just the queen -- can overwinter in warmer climates.

Nature toward humans:

Colonies are typically large, so disturbing nests can result in swarming. Since nests are usually found in urban and recreational areas, there is a greater risk of stings and surprise encounters.

Other Yellowjacket species

Paper Wasps

Hornets