Male

Female

Digging Nest Hole

Length: 8.5-11mm;
Forewing Length: Male 6-7.5mm, Female 6-8mm

Egg	Larva	Pupa	Adult
?	?	?	March - May (Earliest: 14.3) July - September (Earliest: 2.7) (Winter)

Attractant Chemicals
Monoterpenoids	Geraniol
Sesquiterpenoids	Farnesene, Farnesol, Farnesyl Hexanoate

Biotopes:	Meadows	Spruce Forest Edge	Wet Forest
Food:	Several Asteraceae Nectar, Pollen	Malva moschata Nectar, Pollen	Most Salix Nectar, Pollen	Acer platanoides Nectar, Pollen
Nest:	Bare Ground
Nest Parasite:	Nomada fabriciana
Predators:	Cerceris rybyensis

Atlas Hymenoptera: Andrena bicolor Belgium, Europe
BWARS: Andrena bicolor
Nature Spot: Andrena bicolor
Dutch Bees and their Relations: Andrena bicolor
Wildbienen: Sand- bzw. Erdbienen: Andrena bicolor

Pictures © 2003, 2012, 2013, 2019 J.K. Lindsey

Caution

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