Length: Female 18-20mm, Male 15-16mm;
Forewing Length: Female 16mm, Male 13mm;
Proboscis Length: 12mm

Egg	Larva	Pupa	Adult
?	?	?	April - September (Earliest: 7.6)

Attractant Chemicals
Sesquiterpenoids	Farnesol, Farnesyl Acetate
Phenolics	Octadecanol

Biotopes:	Meadows	Hedge Rows
Food:	Valeriana officinalis Nectar
Parasites Nest of:	Bombus hortorum

Atlas Hymenoptera: Bombus barbutellus Belgium, Europe
BWARS: Bombus barbutellus
Nature Spot: Barbut's Cuckoo Bee - Bombus barbutellus
Dutch Bees and their Relations: Bombus barbutellus
Wildbienen: Bärtige Kuckuckshummel: Bombus barbutellus
InsektenBox: Gartenhummel-Schmarotzerhummel

Pictures © 2003, 2010 J.K. Lindsey

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