Kopulation

Steinhummel (Bombus lapidarius)

Foto: Klaus , Steinhummel (Bombus lapidarius)

Foto: Klaus , Steinhummel (Bombus lapidarius)

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Erdhummel (Bombus terrestris)

Foto: Birgit Presser , Erdhummel (Bombus terrestris)

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Baumhummel (Bombus hypnorum)

Foto: Wolfgang Rutkies

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Felsenkuckuckshummel (Bombus rupestris)

Foto: Jürgen Börner , Felsenkuckuckshummel (Bombus rupestris)