If no activity is observed the day or so after treatment the area may be considered relatively safe. However, pupal bees in the nest may continue to emerge, and activity sometimes begins again after a week or so. Keep an eye on the area for a few weeks after treatment. Sometimes an additional treatment is necessary. They vary in color from the usual golden brown to darker browns and even black.
Honey bees cause concern under two circumstances.
Frequently such swarms settle temporarily on the side of a house or on a tree branch. Swarms are discussed in Part I of this leaflet. These permanent homesites cause the treatest problem. Honey bees tend to defend their new home against any inexperienced intruder. Honeybee nests are perennial.