The feather mites of the hoatzin Opisthocomus hoazin (Müller) (Aves: Opisthocomiformes), with the description of two new genera and six new species (Acari: Analgoidea, Pterolichoidea) Author Hernandes, Fabio A. Author Mironov, Sergey V. text Zootaxa 2015 4034 3 401 444 journal article 10.11646/zootaxa.4034.3.1 7c591ebc-507e-4ed0-9bfb-68c75dca4c30 1175-5326 242334 28877701-85F6-47B6-88DF-178E04AB16A6 Opisthocomacarus umbellifer ( Trouessart, 1899 ) ( Figs. 27–29 ) Type material examined : synthypes: 5 males and 7 females , from Opisthocomus hoazin (Müller, 1776) (Opisthocomiformes: Opisthocomidae ), GUYANA , no further data (MNHN-Ac969.900, slide number 35G9). Additional material examined . 13 males and 16 females from O. hoazin (Opisthocomiformes: Opisthocomidae ), BRAZIL , Pará State, Fazenda Fartura, 09°40′S / 50°23′W , Santana do Araguaia, 0 8 September 2013 , D.V. Boas-Filho coll.