Reference
Katerina Pirounakis, Stella Koulianos, Paul Schmid-Hempel (1998): Genetic variation among European populations of Bombus pascuorum (Hymenoptera: Apidae) from mitochondrial DNA sequence data. – European Journal of Entomology 95 (1) – Monografien Entomologie Hymenoptera – 0231: 27 - 33.