Habitats of H. arcalorus and H. gilaensis. 33 H. arcalorus habitat with second author searching for specimens, USA: Colorado: ~9 mi W of Cañon City, 38.495°N, 105.354°W, 24 May 1982 WPM#82–109 34 H. gilaensis habitat (on ground in foreground), USA: New Mexico: Grant Co., Gila River, Billings Vista, 32.8137°N, 108.6011°W, 11 August 2005 DRM 05.042.