A checklist of halacarid mites (Acari: Halacaridae) associated with decapod crustaceans (Arthropoda, Crustacea, Decapoda) Chatterjee, Tapas Persian Journal of Acarology 2021 2021-04-15 10 2 155 166 4LY74 (Kramer, 1879) Kramer 1879 [510,1077,1236,1259] Arachnida Halacaridae Porolohmannella Animalia Trombidiformes 5 160 Arthropoda species violacea   Records associated with decapod crustaceans –This species was reported on cray fish  Astacus astacus(syn.:  Potamobius astacus) from Germany( Viets 1927). This species was also found on branchial cavity of cray fish  Astacus astacus,  Astacus leptodactylus(syn.:  Potamobius leptodactylus) and  Orconectes limosusfrom Poland( Wiszniewski 1939). It was also reported on branchial cavity of  Orconectes limosusfrom River In and Lake Ińsko, Poland( Zawal 1998). This species was found on chelipeds of Chinese mitten crab  Eriocheir sinensisfrom freshwater water, Germany( Normant et al. 2013).  Other records –This species has been reported from standing surface waters, swamps, ponds and lakes, groundwater to mountain lakes in more than 2000 ma.s.l. and brackish water in a variety of substrata, sand, flocculent ooze, vascular plants, mosses, algae ( Bartsch 2006a, b; Chatterjee and Durucan 2021).