Larval morphology of benthic and interstitial water mites (Acari: Hydrachnidia) from a Luxembourgian stream Author Martin, Peter text Zootaxa 2016 4139 4 451 480 journal article 10.11646/zootaxa.4139.4.1 f598f138-e21b-4064-869e-4a9fe5433c43 1175-5326 265489 5CC5B706-E9B5-4F63-A264-1131F56F5241 Hygrobates Koch, 1837 Diagnosis (see Martin 2003 ): Setae V1 located on posterior end of coxal plates I–III; on the gnathosomal base, setae Hy2 longer than Hy1; P1 not fused with P2; chela with two teeth.