Reference:
Carolan, James & Murray, Tomás & Fitzpatrick, Úna & Crossley, John & Schmidt, Hans & Björn, Cederberg & Mcnally, Luke & Paxton, Robert & Williams, Paul & Brown, Mark. (2012). Colour Patterns Do Not Diagnose Species: Quantitative Evaluation of a DNA Barcoded Cryptic Bumblebee Complex. PloS one. 7. e29251. 10.1371/journal.pone.0029251.
URL:
https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0029251&type=printable
