Atractides

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 : 311

ATRACTIDES PSAMMOPHILUS SCHWOERBEL, 1965

nov. nom. pro A. longipes Schwoerbel, 1961 , nec Halbert, 1944; syn. to A. oblongus ( Walter, 1944) see there.

ATRACTIDES LONGIPORUS PETROVA, 1968

( FIG. 77A–D )

Type series: No access. Holotype ♀, Institut Zoologique et Musée à Sofia, tube S.T. 8. Locus typicus: les eaux de la rivière Véléka , Katchula , dans la région du Burgas, le 4.IX.1964

Description:

General features

Male unknown dorsal integument: striated; muscle attachments: partly sclerotized: Dgl-2 shifted medially and fused with the prefr and postoc (? – see discussion); D- 2 as a separate platelet caudolaterally from Dgl-3, D-3 fused with Dgl-4, D- 4 anteromedially from Dgl-5, separate; V-1–3 not sclerotized coxal field: slender, mediocaudal edge of Cx-1 + 2 narrow, concave, apodemes of Cx-2 directed caudally

I-L: little modified, ventral seta of I-L-5 inserted in the proximal half of the segment, setae S-1 and -2 homoiomorphic, slender, rather long and with rounded tips, I-L-6 weakly curved excretory pore: sclerotized; Vgl-1:?

Females

Original description, in parentheses measurements from Petrova’s drawings: genital field: pregen tiny, gonopore very long, genital plates positioned in an obtuse angle, restricted to the level of the postgen palp: ventral margin of P-2 straight, forming a pronounced distal angle, P-3

straight, P-4 slightly convex, 1: 1: 1, sword seta near proximoventral hair idiosoma L/W 510/366; glandularia – coxal field L 200; Cx-3 W –; (Cx-1 + 2 mL 100), IL –, W – I-L-5 dL –, vL –, (dL/vL 1.24), HA-HC –, (dL/HB 3.27) S-1/2 – (interspace <5) I-L-6 L –, HA-HC –, (dL/HB 4.18; L I-L-5/6 1.29) genital field L/W 174/–, (Ac-1–3 L <15) gnathosomal vL –; chelicera –

Figures

Figure 77. A–D, Atractides longiporus ♀ (from Petrova, 1976). A, dorsal; B, ventral view; C, I-L-5 and -6; D, palp, medial view; E-K Atractides asticae; E–H ♀ (from Petrova, 1968). E, dorsal; F, ventral view; G, palp, medial view; H, I-L-5 and -6; I, K, ♂ (from Petrova, 1974). I, I-L-5 and -6; K ventral view. No measurement scale bars available.