Hylaeus sp. yellow-faced bee (Colletidae).

Urbana, Illinois, USA
In warmer climates, honey bees (Apis mellifera) will sometimes construct their nests out in the open.  

Davis, California, USA
Bombus impatiens - bumblebee nest.   Laboratory colony at the University of Arizona.

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Apis mellifera - Honey bee. Melbourne, Australia.

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Agapostemon sp. - Green Metallic Bee. New York, USA.

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Bombus impatiens - Bumble Bees, showing size difference among worker nestmates.  Lab colony at the University of Arizona.

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Agapostemon sp. - Green Metallic Bee. New York, USA.

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Apis mellifera - Honey bee. Melbourne, Australia.

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Apis mellifera - Honey bee. Melbourne, Australia.

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Apis mellifera - Honey bee. Melbourne, Australia.

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See photo in original gallery.
all images and text © Alex Wild 2001-2013