Arthropods associated with world passalid beetles with particular reference to the Diarthrophallidae (Acari: Mesostigmata) Author Haitlinger, Ryszard text Journal of Natural History 2024 2024-08-12 58 29 - 32 1178 1259 http://dx.doi.org/10.1080/00222933.2024.2373490 journal article 10.1080/00222933.2024.2373490 1464-5262 13758245 TARSOCHEYLIDAE Atyeo and Baker 1964 Tarsocheylidae is a small family with two genera and 15 species ( Cooreman 1951 ; Atyeo and Baker 1964 ; Khaustov and Ermilov 2018 ; Xu et al . 2019 ; Katlav et al . 2020 ). Only Hoplocheylus australiensis Katlav and Seeman, 2020 was collected from Mastachilus questionis . H . aethiopicus was collected from Pentalobus barbatus and Tarsocheylidae undet was collected from Passalidae undet ( Tables 2 , 3 , 6 and 15 ). At present is not possible to establish whether these relationships are permanent or only accidental. Together, on the same host species, Trombidiformes were found with Mesostigmata 6 times; Astigmata (4); Oribatida (2); Pseudoscorpiones (1); Astigmata and Mesostigmata (4); Mesostigmata and Pseudoscorpiones (4); Mesostigmata and Oribatida (3); Astigmata and Oribatida (2); Astigmata , Mesostigmata and Oribatida (1); Astigmata , Mesostigmata and Pseudoscorpiones (1); Mesostigmata , Oribatida and Pseudoscorpiones (1); and Astigmata , Diptera , Mesostigmata and Oribatida (1).