Navinaxonopsis Cook, 1967

Esen, Yunus, Pešić, Vladimir & Erman, Orhan, 2011, Water mites of the family Aturidae Thor, 1900 from Turkey (Acari: Hydrachnidia), with description of two new species, Zootaxa 2746, pp. 25-42 : 30-33

Subgenus Navinaxonopsis Cook, 1967

Axonopsis (Navinaxonopsis) persica Peši ć, 2004 ( Figs. 5A–G )

Material examined. Bingöl Province, Genç, Kale stream, 38°31'41"N 40°32'40"E, 920 m asl., 19.vii.2010, (2/1/ 0).

Morphology. Male: Dorsal shield ( Fig. 5A ) L/W 500/379; ventral shield ( Fig. 5B ) 456/371; capitular bay L 113; W between most lateral pair of acetabula 168, gonopore W 26; Palp ( Fig. 5C ) total L 218, dL and %L (in parentheses): P-1 33 (15.1); P-2 51 (23.4); P-3 31 (14.2); P-4 77 (35.3); P-5 26 (11.9); L ratio P-2/P-4, 0.66; capitulum ventral L 103; chelicera total L 83. Legs: IV-L-5 and - 6 highly modified ( Figs. 5 D-E); IV-L-5 greatly expanded at distal end, this expanded portion bearing 6 fine hairs; IV-L-6 gently concave, not bowed on dorsal side; dL: IV-L-4 90; IV-L-5 98; IV-L-6 86; second, third, and fourth legs with a few swimming hairs.

Female: Similar to male except for shape of genital field and IV-L-5 and - 6; dorsal shield L/W 538/409; ventral shield ( Fig. 5F ); W between most lateral pair of acetabula 172, gonopore maximum W 81; palp ( Fig. 5G ) total L 217, dL and %L (in parentheses): P-1 35 (16.1); P-2 49 (22.6); P-3 33 (15.2); P-4 73 (33.6); P-5 27 (12.4); L ratio P-2/P-4, 0.67. Legs: dL of I-L-4-6: 57, 67, 70.

Remarks. The specimens from Turkey shows a general conformity with Axonopsis persica Pešiċ, 2004 , a species so far known only from one locality in Kermanshah Province in the Western part of Iran ( Pešiċ 2004). The additional record presented here confirm a much more extended distribution of this species and the subgenus Navinaxonopsis in the Near and Middle East area. Figure 5 A-G show some morphological details of the specimens from Bingöl Province.

Distribution. Iran. New for Turkey.

Subgenus Paraxonopsis Mota ş & Tanasachi, 1947

Axonopsis (Paraxonopsis) vietsi Mota ş & Tanasachi, 1947 ( Figs. 6A–H )

New records. Bingöl Province, Genç, Kupar stream, 38°44'31"N 40°32'35"E, 1000 m asl., 19.vii.2010, (0/1/0); ibid., 04.viii.2010, (2/1/0); Yayladere, Deġirmen Stream, 39°07'14"N 40°04'00"E, 1030 m asl., 03.viii.2010, (2/3/ 0).

Morphology. Male: Dorsal shield ( Fig. 6A ) L/W 338/224; ventral shield ( Fig. 6B ) L/W 356/250; capitular bay L 81; W between most lateral pair of acetabula 119; gonopore W 12; ejaculatory complex ( Fig. 6D ) L 75; dL and relative L (in parentheses): P-1 22 (14.4); P-2 34 (22.2); P-3 25 (16.3); P-4 50 (32.7); P-5 22 (14.4); Legs: dL of I- Leg-4-6: 40, 43, 54; dL of IV-L: 43, 54, 45, 57, 66, 77; legs without swimming setae.

Female: Dorsal shield L/W 377/265; ventral shield L/W 396/261; capitular bay L 86; W between most lateral pair of acetabula 110; gonopore W 23; dL and % L (in parentheses): P-1 22 (13.8); P-2 34 (21.4); P-3 29 (18.2); P- 4 51 (32.1); P-5 23 (14.5); Legs: dL of I-L-3-6: 36-43-52; dL of IV-L: 41-55-57-60-74-71; leg and palp chaetotaxy as in the male.

Remarks. The specimens from Turkey are in close agreement with Axonopsis vietsi Motaş & Tanasachi, 1947 , a hyporheobiontic species known from Central Europe and the Mediterranean area ( Pešiċ & Gerecke 2003).

Distribution. France, Italy, Czech Republic, Hungary, Romania, Balkan. New for Turkey.

Figures

FIGURE 5 A – G. Axonopsis (Navinaxonopsis) persica Pešić, 2004, (A – E = male, F – G = female): A = idiosoma, dorsal view; B = idiosoma, ventral view; C = palp, medial view; D = IV-L- 4 - 6, posteriorly; E = IV-L- 4 - 6, anteriorly; F = idiosoma, ventral view; G = palp, lateral view. Scale bars = 100 μm.

FIGURE 6 A – H. Axonopsis (Paraxonopsis) vietsi Motaş & Tanasachi, 1947, male: A = dorsal shield; B = ventral shield; C = I- L- 4 - 6; D = ejaculatory complex; E = genital field; F = capitulum and palp; G = palp; H = IV-L. Scale bars = 100 μm.