/hun"ee bee'/, n.
any bee that collects and stores honey, esp. Apis mellifera. Also, honey bee.
[1560-70; HONEY + BEE1]

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Broadly, any bee that makes honey (any insect of the tribe Apini, family Apidae); more strictly, one of the four species constituting the genus Apis.

The term is usually applied to one species, the domestic honeybee (A. mellifera), also known as the European domestic bee or western honeybee. The other Apis species are confined to Asia. A. mellifera is usually about 0.5 in. (1.2 cm) long. All honeybees are social insects that live in nests or hives. They have three castes: workers (undeveloped females), queens, and drones (stingless males). See also beekeeping.

Honeybee (Apis mellifera)

Ingmar Holmasen

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  any of a group of insects in the family Apidae (order Hymenoptera) that in a broad sense includes all bees that make honey. In a stricter sense, honeybee applies to any one of four members of the genus Apis—and usually only the single species, Apis mellifera, the domestic honeybee. This species is also called the European domestic bee, or the western honeybee (see photograph—>). All other Apis species are confined to Asia. A. florea, the little honeybee, occurs in central Asia, where it builds its nests in trees. A. dorsata, the giant honeybee, occurs in India, Indonesia, and central China and sometimes builds combs nearly three metres (more than nine feet) in diameter. A. indica, the Eastern honeybee, is domesticated in parts of Asia. There are also a number of races, subspecies, and strains of Apis species.

 A. mellifera is about 1.2 cm (about 1/2 inch) long, although size varies among the several strains of this species. The head and thorax, or midsection, are somewhat bristly and vary in colour according to the strain. Two large compound eyes and three simple eyes, or ocelli, are located on top of the head. Keen eyesight is complemented by two sensitive, odour-detecting antennae.

      All honeybees are social insects and live together in nests or hives. The honeybee is remarkable for the dancing movements it performs in the hive to communicate information to its fellow bees about the location, distance, size, and quality of a particular food source in the surrounding area. There are three castes (caste), or classes, of honeybees: the workers, which are females that do not attain sexual maturity; queens, females that are larger than the workers; and males, or drones, which are larger than the workers and are present only in early summer. The workers and queens have stingers, whereas the drones are stingless. Both queens and workers lay eggs, but only the queens' are fertilized with the drones' sperm and develop into females. Eggs of the workers develop into males. Eggs destined to become queens are deposited in cells in the honeycomb that are larger than normal. After hatching, they are fed royal jelly, a substance produced by the salivary glands of the workers.

      Eggs hatch in three days into larvae that are known as grubs. All the grubs are fed royal jelly at first, but only the future queens are continued on the diet. When fully grown, the grubs transform into pupae. Queens emerge in 16 days, workers in three weeks, and drones several days after the workers. After emerging, the queens fight among themselves until only one remains in the hive. She then attacks the old queen, who leaves the nest with a swarm to form a new colony.

      A queen will often mate with many drones, a mating behaviour known as polyandry. For example, western honeybee queens may mate with up to 20 males, and giant honeybee queens may mate with as many as 50 males. A queen chooses many mates because colony fitness and survival rely heavily upon genetic diversity within a colony. Genetically diverse colonies have characteristics, such as increased population size, foraging activity, and food supplies, that favour the production of new queens and the formation of new colonies.

 The hive is a series of combs composed of two layers of six-sided cells made of wax produced within the workers' bodies. Food in the form of honey, plant nectar, and so-called bee bread, made from pollen, is stored in the cells. honey, which the bees produce from the nectar of flowers, was virtually the only form of sugar readily available to humans until modern times. For this reason, honeybees have been domesticated by humans for centuries. The art of caring for and managing colonies of honeybees is known as beekeeping. Besides producing honey, honeybees play an important role in agriculture as pollinators of a wide variety of domesticated plants (see photograph—>). Although it is difficult to determine, many authorities suspect that there has been a significant decline in populations of honeybees in the United States. This is due in part to disease caused by the introduction of a nonnative species of honeybee parasite, Varroa destructor.

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Universalium. 2010.

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