- Life Cycle – Egg, larva, pupa and adult
- Life Span – Queen 3 to 4 years, Workers 4 to 6 months, Drones from a few weeks to 4 months
- To prevent bees from establishing nests on a property – Fill in all animal/rodent burrows and holes in the soil. Seal holes in the building’s exterior and ensure that all vents have tight-fitting screens. Bumble bees are considered beneficial insects because they pollinate the flowers of many plant species.
Bumble bees are social insects which live in nests or colonies. The adults are represented by workers which are sterile females, queens, and males (drones) which come from unfertilized eggs and usually appear in late summer. Typically, only inseminated queens overwinter and do so underground. During the spring, the queens select a suitable subterranean cavity or surface grass clump as a nesting site and lays eggs. A mature bumble bee nest ultimately contains about 50-400 bees at any given time.
In the late summer only males (drones) and new queens are reared in the nest. Once these new queens emerge, they mate and find a suitable place to overwinter. The males, workers, old queen, and any virgin new queens die with the onset of cold weather.
Adult worker body length about 1/4-1″ (6-25 mm), queens about 3/4-1″ (17-25 mm) long . Often confused with carpenter bees, bumblebees are characterized by the hairiness of the abdomen (carpenter bees have a smooth abdomen).
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