A new genus and species of Schizogyniidae (Acari: Mesostigmata) associated with carabid beetles (Coleoptera: Carabidae) from Ukraine Author Trach, Viacheslav A. Author Seeman, Owen D. text Zootaxa 2014 3793 2 247 256 journal article 45926 10.11646/zootaxa.3793.2.4 74006e9c-9785-4d9a-b5ac-34accb1d4950 1175-5326 230349 98434525-E610-47D8-A138-00A94E7AE1B2 Key to the world genera of the family Schizogyniidae (adult females) 1. Anal shield free from ventral shield...................................................................... 2 - Anal shield fused with ventral shield..................................................................... 4 2. Latigynal shields free............................................................... Mixogynium Ryke, 1957 - Latigynal shields fused with ventral shield.................................................................. 3 3. Metasternal shields fused with sternal shield; most submarginal and central setae on dorsal shield absent; anal shield wide (as wide as sternal shield)............................................................. Indogynium Sellnick, 1954 - Metasternal shields fused, but free from sternal shield; dorsal shield setae well developed, hypertrichous; anal shield round and small (at most 0.5 times as wide as sternal shield)......................................... Choriarchus Kinn, 1966 4. Large pre-anal membranous region present; metasternal shields fused with sternal shield; dorsal shield hypotrichous..................................................................................... Euroschizogynium gen. nov. - Pre-anal membranous region absent; metasternal shield (shields) free from sternal shield; chaetotaxy of the dorsal shield nor- mal................................................................................................ 5 5. Metasternal shields fused, broadest medially.............................. Paraschizogynium Hunter & Rosario, 1987 Metasternal shields free......................................................... Schizogynium Trägårdh, 1950