1. L. P. Kroesen (https://orcid.org/0000-0002-5524-0664) ✉ (lkroesen@sfu.ca) and D. S. Hik (https://orcid.org/0000-0002-8994-9305), Biological Sciences, Simon Fraser Univ., Vancouver, BC, Canada.
2. S. G. Cherry (https://orcid.org/0000-0003-4242-3629), Parks Canada Agency, Radium Hot Springs, BC, Canada.