Mining bees include about 1200 species in North America
alone. They are solitary bees which
means they don’t life in big colonies such as the honey bee but alone. Species like today’s
Andrena spiraeana are springtime bees. Some even emerge before all snow has
vanished. This might explain their little furry coat and which is very similar
to the one bumble bees have.
Their nests are burrows in the soil, the entrance often
hidden beneath a fallen leaf or other litter. Like any good homebuilder, the
female waterproofs the walls of her brood cells using a secretion from a gland
in her abdomen.
The individual species of mining bees are difficult to tell
apart and in many cases they are best identified by looking at the flower
species they pollinate as they seem to be very choosy when it comes to pollen.
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