@article{MikulasBarringer2018,
  author    = {Martin M. Mikulas and Lawrence M. Barringer},
  title     = {First record of Bombus rufocinctus Cresson (Hymenoptera: Apidae: Bombini) in Pennsylvania},
  journal   = {Insecta mundi},
  volume    = {2018},
  number    = {article 638},
  pages     = {1 -- 2},
  url       = {https://journals.flvc.org/mundi/article/view/0638},
  year      = {2018},
}