  Bombus hypnorum 1, Boomhommel, Saxifraga-Frits Bink.jpg |
 Bombus hypnorum 2, Boomhommel, Saxifraga-Frits Bink.jpg |
 Bombus hypnorum 3, Boomhommel, nest, Saxifraga-Frits Bink.jpg |
 Bombus hypnorum 4, Boomhommel, nest, Saxifraga-Frits Bink.jpg |
 Bombus hypnorum 5, Boomhommel, Saxifraga-Pieter van Breugel.jpg |
 Bombus hypnorum 6, Boomhommel, Saxifraga-Ab H Baas.jpg |
 Bombus hypnorum 7, Boomhommel, Saxifraga-Ab H Baas.jpg |
 Bombus hypnorum 8, Boomhommel, Saxifraga-Bart Vastenhouw.jpg |
 Bombus hypnorum 9, Boomhommel, Saxifraga-Bart Vastenhouw.jpg |
 Bombus hypnorum 10, Boomhommel, Saxifraga-Bart Vastenhouw.jpg |
 Bombus hypnorum 11, Boomhommel, Saxifraga-Bart Vastenhouw.jpg |
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