Figure 4 in Water mites of the genus Atractides Koch, 1837 (Acari: Parasitengona: Hygrobatidae) in the western Palaearctic region: a revision

Figure 4. Types of integument morphology in Atractides, SEM photographs. A, finely striated (A. macrolaminatus ♂, Berchtesgaden), scale bar = 4 µm; B, lineated (with slit organ and glandulare) (A. panniculatus ♀, Berchtesgaden), scale bar = 40 µm; C, ditto, detail (with glandulare), scale bar = 10 µm; D, papillate (A. walteri ♀, Berchtesgaden), transition area between striated (at right, upper margin) and papillate (at left lower margin), scale bar = 40 µm; E, ditto, detail, scale bar = 2 µm; F, porosity of sclerified surface of Cx-4 (A. nodipalpis ♂, Goldersbach, SW Germany).