Bees are flying insects which are known for their role in pollination are closely related to wasps and ants, and, in the case of the best-known bee species, the western honey bee, for producing honey and beeswax. Bees are are presently considered a clade, called Anthophila which belong to a monophyletic lineage within the superfamily Apoidea. There are over 16,000 known species of bees that belong to seven recognized biological families. They are found in every habitat on the planet that contains insect-pollinated flowering plants which are present on every continent except Antarctica. Some species including bumblebees, honey bees and stingless bees, live socially in colonies. Bees are adapted for feeding on pollen and nectar, primarily the latter, as an energy source and the former primarily for protein and other nutrients. Most of the pollen is used as food for larvae. Bee pollination is important from both, commercial and ecological aspects. The decline in the population of wild bees has increased the value of pollination by hives of honey bees that are managed commercially. Bees range in size from the largest species of leafcutter bee, Megachile pluto, whose females can attain a length of 39 millimetres or 1.54 inches to tiny stingless bee species whose workers are less than 2 millimetres long or 0.08 inches.
In this sub category you can download free PNG images: Bee Insects. In this category "Bee" we have 104 free PNG images with transparent background.
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