The nests are seasonal. There are six species of yellow jackets native to New York State. Fertilized queens start nests in the spring in ground depressions or cavities or sometimes in hollow logs on the ground. The larvae are fed flies and other insects and the adults feed on nectar and other sweet liquids. Yellow jackets become a nuisance around picnic areas, garbage receptacles, etc., where sweet things, such as fruits and soda cans exist.
Nests are also seasonal.
A European species of yellow jacket, Vespula germanica , was introduced into the northeastern United States about forty years ago. This species looks similar to the native species in New York. Unlike the native species, it prefers to build nests inside the walls of homes. It feeds on the same foods as the native species and its nests are seasonal also. It may be more aggressive in late summer than the native yellow jacket species.