Length: Male 11-13mm, Female 12-15mm;
Proboscis Length: 8.5mm

Egg	Larva	Pupa	Adult
?	?	?	March - May (Earliest: 28.3)

Biotopes:	Spruce Forest Edge
Food: (Adult)	Petasites hybridus Nectar, Pollen	Glechoma hederacea Nectar, Pollen
Parasitoids: (Larva)	Leucospis dorsigera Larva
Predators: (Larva)	Trichodes apiarius
Nest:	Dead Wood

Atlas Hymenoptera: Osmia cornuta Belgium
Dutch Bees and their Relations: Osmia cornuta
Wildbienen: Gehörnte Mauerbienen: Osmia cornuta

Pictures © 2003, 2016 J.K. Lindsey

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