Hygrobates Koch, 1837

Tuzovskij, Petr V., 2018, Larval morphology of Hygrobates foreli (Lebert, 1874), H. longiporus Thor, 1898 and H. trigonicus Koenike, 1895 (Acari, Hydrachnidia, Hygrobatidae), Zootaxa 4374 (2), pp. 249-262 : 250

Genus Hygrobates Koch, 1837

Larval diagnosis (refined after PraSad & Cook 1972 and Smith 1976). DorSal plate large, covering almoSt entire dorSum in unengorged larvae and bearing four pairS of proteroSomal Setae: two pairS of Simple Setae (Fch and Vi) and two pairS of trichobothria (Fp and Oi). Ventral Side, on each Side, with all coxal plateS fuSed, with the SutureS lineS laterally and obliterated medially and bearing four pair of coxal Setae (C1–C4) and one pair of idioSomal Setae (Pe) poSteromedially. TranSverSe muScle attachment ScarS on coxal plateS III preSent or abSent. Excretory pore plate much wider than long, bearing three pairS of idioSomal Setae: Ai, Ae and Pi, anal Setae either abSent and viSible aS alveoli, or very minute Setae are preSent. Setae Ci very long, whip-like and inSerted on projectionS. Chelicera baSal SegmentS fuSed with each other medially, each chela with two minute, Subapical teeth. LegS 5– Segmented. II-Leg-5 Solenidion located proximally or diStally. Acanthoid Seta located diStally on tarSi of all legS. All legS clawS with two lateral hair-like projectionS.