Feather mites (Acariformes: Astigmata) from the yellow-rumped cacique, Cacicus cela (Linnaeus, 1758) (Passeriformes: Icteridae) in Brazil, with description of four new species Author Hernandes, Fabio Akashi text Journal of Natural History 2023 2023-03-06 57 2 257 284 http://dx.doi.org/10.1080/00222933.2023.2174459 journal article 10.1080/00222933.2023.2174459 1464-5262 7741825 Mesalgoides Gaud and Atyeo, 1967 Type species Dermaleichus oscinum sensu Robin and Mégnin, 1877 (non Koch 1841 ), by original designation (= Dimorphus megnini Oudemans, 1937 ). Twenty species of Mesalgoides , including the new species, are currently known worldwide ( Trouessart 1899 ; Spory 1965 ; Černý 1974 ; Shereef and Rakha 1981 ; Mironov 1997 ; Mironov and Pérez 2002 ; Mironov 2004 ; OConnor et al. 2005 ; Mironov et al. 2018 ; Wang et al. 2020 ). Mesalgoides sublobatus ( Trouessart 1899 ) was formerly referred to this genus by Mironov (2004) , but after further analysis was concluded to belong to the family Analgidae (Mironov, pers. comm.). Known species were described from passerines of 10 families: Fringillidae , Leiothrichidae , and Paridae from the Old World; Furnariidae , Icteridae , Pipridae , Thraupidae , Turdidae and Tyrannidae from the Neotropical region; and Mimidae from the Nearctic region. In the New World (including Neotropical and Nearctic regions), undetermined Mesalgoides species were reported from 15 passerine families: Cardinalidae , Coerebidae , Conopophagidae , Cotingidae , Fringillidae , Furnariidae , Grallariidae , Icteridae , Mimidae , Parulidae , Passerellidae , Pipridae , Thamnophilidae , Thraupidae and Tyrannidae (see Kanegae et al. 2008 ; Valim et al. 2011 ; Barreto et al. 2012 ; Enout et al. 2012 ; Soto et al. 2013 ; Villa et al. 2013 ; Galloway et al. 2014 ; Hribar 2014 ; Silva et al. 2015 ; Hernandes and Flechtmann 2020 ). The record of Mesalgoides sp. on Galbula ruficauda (Galbuliformes, Galbulidae ) by Enout et al. (2012) requires confirmation. One additional undetermined species was reported from a woodpecker – Colaptes auratus (Linnaeus, 1758) – in Canada ( Galloway et al. 2014 ). A table with described species and their hosts was provided by Mironov et al. (2018) .