Scientific Name: Polistes dominula
Family: Vespidae
Native Range: Europe. Invasive in North America, Pennsylvania
Size: Male wing length: 9.5 – 13.0 mm (0.37 to 0.51 in); Females wing length: 8.5 – 12.0 mm (0.33 to 0.47 in)
Active: Over-wintering queens begin nest building in early spring and start laying eggs in early March or April. Nests disperse in late summer. Founder queens and males overwinter.
Color and Appearance: Black and yellow
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