Baldfaced hornets are social insects. Eggs are laid in cells of the nest by the queen. Larvae hatching from eggs are fed by workers. Cells are left open during larval development, but are capped by workers when larvae pupate. Mated female wasps or queens overwinter in protected habitats such as cracks and crevices, and begin a new colony the following spring.
Mouthparts are for chewing.
Nests usually hang in trees, but may be attached to the sides of buildings. Larvae also feed the adults a sweetish secretion from their mouths. Baldfaced hornet nests are best left alone. Its sting can be intensely painful. For additional information, contact your local Texas extension service agent, or search for other state extension service offices.