Kongsbergia, Lundblad, 1953

Radwell, Andrea J. & Smith, Ian M., 2012, North American members of the reticulata-like species group of the water mite genus Kongsbergia (Acari: Hydrachnidiae: Aturidae), Zootaxa 3540, pp. 1-49 : 40-41

Key to the males of North American Kongsbergia of the reticulata -like species group

1A. Dorsal shield with series of symmetrical sinuous ridges outlining anteromedial hump and posteromedial depressed area ( Figs. 1, 23, 28, 109)............................................................................... 2

1B. Dorsal shield covered with asymmetrical longitudinal ridges ( Fig. 74).............................................................................................. cyanea subgroup..only species:. K. cyanea Habeeb, 1981

2A(1A). Dorsal shield without a prominent nipple- or dome-shaped projection anteromedially ( Figs. 1, 28).................. 3

2B. Dorsal shield with a prominent nipple- or dome-shaped projection anteromedially ( Figs. 38, 57).................... 9

3A(2A). Dorsal shield not conspicuously indented laterally posterior to the humeral region, with ridges and anteromedial hump weakly to well developed and meeting lateral edges of shield near midlength, and rounded posteriorly ( Figs. 1, 38, 57, 74) ................................................................................................. 4

3B. Dorsal shield conspicuously indented laterally posterior to humeral region forming a strong humeral angle, with ridges and anteromedial hump forming a prominent arching crest that meets lateral edges of shield posterior to midlength, and acuminate posteriorly ( Fig. 28)........................................................ laurentiana subgroup...8

4A(3A). Dorsal shield with three pairs of setae at posterior edge short, slender and straight ( Fig. 1); ventral shield convex posteriorly and without patches of long, thick, curved setae at posterior edge flanking genital field ( Fig. 2)................................................................................................. reticulata subgroup.....5

4B. Dorsal shield with three pairs of setae at posterior edge long, thick and curved ( Fig. 23); ventral shield concave posteriorly and with paired patches of long, thick, curved setae flanking genital field ( Fig. 25)......................................................................................... setosa subgroup....only species: K. setosa sp. nov.

5A(4A). Dorsal shield nearly round in outline ( Figs. 1, 8).......................................................... 6

5B. Dorsal shield elongate ellipsoidal in outline ( Fig. 13, 18)................................................... 7

6A(5A). Dorsal shield with ridges and anteromedial hump prominent ( Figs. 1, 109); color pattern usually strong in male ( Fig. 79)............................................................................. K. reticulata Habeeb, 1956

6B. Dorsal shield with ridges and anteromedial hump relatively weakly developed ( Fig. 8); color pattern usually faint or absent ( Fig. 81)............................................................................ K. cooki sp. nov.

7A(5B). Dorsal shield with ridges and anteromedial hump prominent and with reticulate sculpturing regular and covering most of shield ( Figs. 13, 83, 110); femur of pedipalp without prominent proximoventral projection ( Fig.16).............................................................................................. K. labyrintha Habeeb, 1957

7B. Dorsal shield with ridges and anteromedial hump relatively weakly developed and reticulate sculpturing irregular and covering only part of dorsal shield ( Figs.18, 85); femur of pedipalp with a prominent proximoventral projection ( Fig. 21)..................................................................................... K. crumpae sp. nov.

8A(3B). Dorsal shield of male with ridges and anteromedial hump forming a well- developed crest that encloses a strongly depressed region posteromedially ( Figs. 28, 91)........................................ K. laurentiana sp. nov.

8B. Dorsal shield of male with an anteromedial hump forming a sharply defined crest comprised of a series of arched parallel ridges that encloses a deeply depressed region posteromedially ( Figs.33, 93)...................... K. crista sp. nov.

9A(2B). Dorsal shield bearing a prominent nipple-shaped projection anteromedially ( Figs. 38, 97).. appalachiana subgroup.....10

9B. Dorsal shield bearing a large dome-shaped projection anteromedially ( Figs. 57, 103)........... robisoni subgroup.....13

10A(9A). Dorsal shield of male with edges sloping abruptly posterolateral to eyes to form concave indentation between eyes and prominent humeral angle ( Figs. 53 arrow, 90)............................................ K. humeralis sp. nov.

10B. Dorsal shield with edges curving gradually posterolateral to eyes to form convex or straight line between eyes and humeral angle ( Figs. 1, 28)................................................................................. 11

11A(10B). Dorsal shield with reticulate sculpturing in anteromedial region forming series of 4-8 subparallel longitudinal lines between and anterior to postocular setae that converge anteriorly at base of nipple-shaped projection ( Figs. 38, 95).................................................................................... K. appalachiana sp. nov.

11B. Dorsal shield with reticulate sculpturing in anteromedial region ending abruptly in region of postocular setae ( Figs. 43, 48))............................................................................................ 12

12A(11B). Dorsal shield with reticulate sculpturing in anteromedial region ending anteriorly at angular knob at apex of anteromedial hump immediately anterior to postocular setae ( Fig. 43).................................. K. atkinsonae sp. nov.

12B. Dorsal shield of male with reticulate sculpturing in anteromedial region ending anteriorly at transverse ridge at apex of anteromedial hump immediately posterior to postocular setae ( Figs. 48, 99)................... K. transversa sp. nov.

13A(9B). Dorsal shield with medial pair of glandularia posterior to postocular setae anterior to lateral pair of glandularia in same region ( Fig. 57 arrows)................................................. K. robisoni Radwell and Smith, 2011

13B. Dorsal shield with medial pair of glandularia posterior to postocular setae at same level as or posterior to lateral pair of glandularia in same region ( Figs. 64, 69 arrows)......................................................... 14

14A(13B). Dorsal shield with medial pair of glandularia posterior to postocular setae posterior to lateral pair of glandularia in same region ( Fig. 64 arrows).............................................................. K. floridana sp. nov.

14B. Dorsal shield with medial pair of glandularia posterior to postocular setae at same level as lateral pair of glandularia in same region ( Fig. 69 arrows)............................................................ K. texana sp. nov.