North American members of the reticulata-like species group of the water mite genus Kongsbergia (Acari: Hydrachnidiae: Aturidae) Author Radwell, Andrea J. Department of Biological Sciences, University of Arkansas, Fayetteville, Arkansas 72701, USA. E-mail: radwell 101 @ yahoo. com Systematic Acarology, Canadian National Collection of Insects and Arachnids, Agriculture and Agri-Food Canada, K. W. Neatby Building, Central Experimental Farm, Ottawa, Ontario K 1 A OC 6. E-mail: smithi @ agr. gc. ca Author Smith, Ian M. text Zootaxa 2012 2012-11-06 3540 1 49 journal article 1175-5326 82E03BD5-8EFC-45B4-B077-26D953E2DE41 reticulata subgroup Diagnosis of male. Character states of the reticulata -like species group. Dorsal shield with anterior edge nearly transverse or slightly convex and lacking a prominent nipple- or dome-shaped projection anteromedially; edge of shield linear or slightly convex in area between eyes and humeral region and not conspicuously indented posterior to humeral region, forming a modest humeral angle; a moderately well-developed hump present anteromedially forming apex of a well-developed arching ridge that curves posterolaterally from hump and meets edges of dorsal shield near its midlength to enclose a well defined depressed area posteromedially extending to posterior edge of shield ( Fig. 110 ); posterior edge rounded and bearing three pairs of slender, short and straight setae ( Fig. 1 ). Ventral shield with posterior edge convex and bearing three pairs of slender, short and straight setae adjacent to genital field ( Fig. 2 ). Species included. Kongsbergia reticulata Habeeb 1956 , K. cooki sp. nov. , K. labyrintha Habeeb 1957 and K. crumpae sp. nov .