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David Genoud: Bombus subterraneus male and Bombus rupestris male
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David Genoud: Bombus rupestris female
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David Genoud: Bombus rupestris female
David Genoud: Bombus rupestris male
David Genoud: Bombus (Psythirus) rupestris mâle
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David Genoud: Bombus (Psithyrus) rupestris mâle