A study was made of the soil mites from under different vegetative types near a coal-burning power plant in the Yampa Valley near Hayden, Colorado. The following new species of oribatids were found: Zygoribatula apletosa n.sp., Multoribates haydeni n.sp., Paraphauloppia cordylinosa n.sp., Passalozetes moniles n.sp.
Higgins, Harold G. and Woolley, Tyler A.
"New mites from the Yampa Valley (Acarina: Cryptostigmata: Oribatulidae, Passalozetidae),"
Great Basin Naturalist: Vol. 35
, Article 12.
Available at: http://scholarsarchive.byu.edu/gbn/vol35/iss1/12