Pachyseius adeliensis Womersley, 1937: 18 Pachylaelapidae Mesostigmata Review of the mite family Pachylaelapidae (Acari: Mesostigmata) MAŠÁN, PETER HALLIDAY, BRUCE Zootaxa 2014 2014-03-12 3776 1 1 66 Womersley, 1937 Womersley 1937 [151,610,1050,1075] Arachnida Pachylaelapidae Pachyseius GBIF Animalia Mesostigmata 54 55 Arthropoda species adeliensis      Pachyseius adeliensis  Womersley, 1937: 18. Typelocality: Antarctica.  Notes.This species shows some atypical characters for Pachylaelapidae, for example: (1) sternal shield with two pairs of setae (st1, st2); (2) a pair of free and well developed metasternal platelets, each bearing two setae (st3, st4); (3) basitarsus IV with very long sensory seta; (4) dorsal shield with several unpaired setae on medial surface. We are unable to place this species in any known family of Mesostigmata. 3312837353 [379,596,1122,1144] Antarctica Antarctica 54 55 1