Tree bumblebee
Tree bumblebee | ||||||||||||
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Male tree bumblebee ( Bombus hypnorum ) |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Bombus hypnorum | ||||||||||||
( Linnaeus , 1758) |
The tree bumblebee ( Bombus hypnorum ) is an above ground nesting Hummel - Art .
description
The tree bumblebees typically have an orange-brown to black hairy chest ( thorax ), a black abdomen and a white body end.
The queen is 17 to 20 millimeters long, has a wingspan of 35 to 38 millimeters and a trunk 11 to 12 millimeters long . For the workers , these sizes (body length, wingspan and trunk length) are 8 to 18, 19 to 32 and 8 to 10 millimeters, and for the males ( drones ) 14 to 16, 28 to 32 and 7 to 9 millimeters.
Occurrence
The tree bumblebee occurs all over Europe, but only at higher altitudes in southern Europe. It can be found in sparse forests, on the edges of forests, in parks and gardens.
Reproduction
A tree bumblebee colony comprises around 80 to 400 animals. She always builds her nests above ground, for example in old bird nests, in nesting caves, wall and rock crevices, attics, stables, barns and the like, whereby she also likes to get bumblebee nest boxes . There is a generation in the year with the queen overwintering.
Parasites
The forest cuckoo bumblebee ( Fernaldaepsithyrus sylvestris (Lepeletier, 1832)) parasitizes the tree, meadow, garden, dark and light earth bumblebee colonies.
literature
- Eberhard von Hagen: Bumblebees: determine, settle, multiply, protect . Natur-Verl., Augsburg 1990. ISBN 3-89440-546-5 .