Notoaturine water mites from New Zealand (Acari: Hydrachnidia: Notoaturinae) with the description of five new species Author Smit, Harry text Zootaxa 2017 4247 1 16 30 journal article 36210 10.11646/zootaxa.4247.1.2 e7fdd57f-fafa-48c0-a198-904d65ba490e 1175-5326 437936 320C84A2-4A9E-4FB4-8CCF-130117F10D3B Planaturus serratus n. sp. ( Fig. 3A–F ) Material examined. Holotype female, Kuripapango River , North Island , New Zealand , 39° 23.658 S 176° 19.701 E , alt. 458 m asl, 9-xii-2014 ( MONZ ) . Diagnosis . Hood rectangular; P2 with a ventral extension, P3 ventrally with an irregularly serrated hyaline membrane. Description . Female: Characters of genus Planaturus as described by Cook (1983) . Idiosoma ventrally 405 long and 235 wide, dorsal shield 284 long. Integumental pigment absent, eye pigment reduced. Hood rectangular with a straight anterior margin, 44 wide. Suture lines of coxae obliterated. Genital field with numerous acetabula, but difficult to see. Gonopore 60 long. Length of P1-5: 12, 32, 22, 36, 18. P2 with a ventral extension, P4 stocky with a ventral hyaline membrane with irregular serrations, less in right palp then in left palp. First leg not measurable. Length of IV-leg-4-6: 34, 36, 32; IV-leg-2 longer than other segments of fourth leg, but unfortunately still attached to idiosoma. Swimming setae absent. Etymology . Named for the serrated P4. Remarks . Currently, three Planaturus species were known. Planaturus setipalpis Cook, 1983 has P2 with a large seta (absent in the new species). Planaturus lundbladi Cook, 1983 has the gnathosoma with a distinct dorsodistal protuberance (absent in the new species) and is larger, ventrally 744 µm long. Planaturus rugosus has P2 anteroventrally with teeth (absent in the new species).