Atractides latipalpis, Motas & Tanasachi, 1946

Gerecke, Reinhard, 2003, Water mites of the genus Atractides Koch, 1837 (Acari: Parasitengona: Hygrobatidae) in the western Palaearctic region: a revision, Zoological Journal of the Linnean Society 138, pp. 141-378 : 246-247

ATRACTIDES LATIPALPIS MOTAŞ & TANASACHI, 1946

( FIG. 48A–D )

Megapus latipalpis Motaş & Tanasachi, 1946

Syn. A. dragonensis (K. Viets, 1949) = A. affinis ( Szalay, 1946 nec Lundblad, 1927b): K. O. Viets (1987); A. dentiferus K. Viets, 1949 = A. rectipes ( Walter, 1947 nec Sokolow, 1934): Schwoerbel, 1959c.

Type series: Missing. Locus typicus: Romania, Vallée du Dragan, affluent du Cri şul-R ǎpide .

Material examined: LUX int4c, Ösling, Hoscheid, Schlënnerbaach at St. Michael, interstitial dig 7.8.1998 Gerecke & Schrankel, 3/1/0; type series of A. dentiferus .

Description:

General features dorsal integument: smooth or with extremely fine striation; muscle attachments: 4 pairs of sclerotized dorsal plates, D-1 separate from Dgl-3, D-2 fused with Dgl-4

I-L: I-L-5/6 slightly modified; S-1 and -2 slender and similar in shape, closely together; I-L-6 stout, weakly curved, not narrowed in the centre excretory pore: sclerotized; Vgl-1: fused with Vgl-2 palp: P-2 ventral margin straight, P-4 enlarged, ventral margin 3: 2: 1, with dentiform protrusion near insertion of proximoventral hair, with dense dorsal hair cover, enlarged, sword seta strong, on the level of proximoventral hair

Males

Specimen from Luxembourg, in parentheses original description genital field: anterior margin straight, posterior margin convex or medially protruding; genital setae: 40

palp: P-4 extremely enlarged idiosoma L/W 450/300 (485/294); glandularia 30

coxal field L 220 (240); Cx-3 W 252; Cx-1 + 2 mL 99, IL 156, W 187

I-L-5 dL 109, vL 91, dL/vL 1.20 (1.16), HA-HC 23, 29, 30, dL/HB 3.76 (3.18) S-1 L 58, L/ W 11.6, S-2 L 63, L/ W 8.3, interspace 4, L S-1/2 0.92

I-L-6 L 88, HA-HC 19, 17, 19, dL/HB 5.18 (4.23); L I-L-5/6 1.24 (1.07) genital field L/W 87/103 (97/125), Ac-1–3 L 23, 30, 28

gnathosoma vL 50 (125 [!]); chelicera L 157, L/H 5.41, bS/claw 2.02

Figures

Figure 48. Atractides latipalpis. A, B, syntype ♂ from type series of A. dentiferus (= syn. to A. latipalpis); C, ♂ from Luxembourg; D, syntype ♀ from type series of A. dentiferus. A, ♂ I-L-5 and -6; B, ♂ idiosoma, ventral view; C, ♂ palp, medial view; D, ♀ genital field. Scale bars = 100 µm.