On the morphology and classification of larval water mites (Hydrachnidia, Acari) from springs in Luxembourg Author Martin, Peter text Zootaxa 2006 1138 1 44 journal article 10.5281/zenodo.172007 bd92c31d-534c-4bb2-a395-fb69e7ab01a9 1175­5326 172007 Genus Feltria Koenike, 1892 Diagnosis: Character states as given for the family (see Smith 1976 ) such that: Dorsal plate 1–2 times as long as wide, CX­I fused with CX­II or separate, CX­II and CX­III fused. Preliminary genus diagnosis: Dp large, covering nearly the entire idiosoma (in unengorged specimens), Dp bearing four pairs of setae, surface of Dp distinctly striated. Venter on each side with coxal plates I separate or fused medially with fused coxal plates II and III. The suture line of CX­II+III distinct laterally and obliterated medially. CX­III bearing C4, CX­I bearing C1 and C2, C3 lacking. Expp small and bearing setae E1 and E2. Setae V1­V3 simple and fine. Legs five­segmented and distinctly striated.