Male

Female

Length: Male 9-11mm, Female: 10-12mm;
Forewing Length: Male 7-9mm, Female 8-10mm

Egg	Larva	Pupa	Adult
?	?	?	March - June (Earliest: 31.3) (Winter)

Attractant Chemicals
Sesquiterpenoids	Farnesene, Farnesol, Farnesyl Hexanoate
Fatty Alcohols	Hendecanol, Tridecanol

Biotopes:	Meadows	Wet Forest	Hedge Rows	Spruce Forest Edge
Food:	Several Asteraceae Nectar, Pollen	Several Rosaceae Nectar, Pollen	Anthriscus sylvestris Nectar, Pollen	Heracleum sphondylium Nectar, Pollen
	Alliaria petiolata Nectar, Pollen	Cardamine hirsuta Nectar, Pollen	Ficaria verna Nectar, Pollen	Oxalis acetosella Nectar, Pollen
	Salix Nectar, Pollen	Cytisus scoparius Pollen
Nest:	Bare Ground
Nest Parasites:	Nomada ruficornis

Atlas Hymenoptera: Andrena haemorrhoa Belgium, Europe
BWARS: Andrena haemorrhoa
Nature Spot: Early Mining Bee - Andrena haemorrhoa
Dutch Bees and their Relations: Andrena haemorrhoa
Wildbienen: Sand- bzw. Erdbienen: Andrena haemorrhoa
Insektenbox: Rotschopfige Sandbiene

Pictures © 2003, 2015 J.K. Lindsey

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