Steganacarus (Steganacarus) wallworki ( Mahunka, 1984 )

Niedbała, Wojciech, 2017, Ptyctimous mites (Acari, Oribatida) of Tanzania, Acarologia 57 (4), pp. 957-1072 : 1024

Steganacarus (Steganacarus) wallworki ( Mahunka, 1984)

( Fig. 46 A-E)

Hoplophthiracarus wallworki Mahunka, 1984 .

Steganacarus (Steganacarus) wallworki: Niedbała 2001 .

Diagnosis — Measurements of holotype: prodorsum: length 288, width 196, height 126; notogaster: length 513, width 355, height 368. Species of medium size; colour brown; surface of body smooth, only anterior part of prodorsum and genital plate as well posterior part of notogaster covered with concavities. Prodorsum with long median and lateral fields; lateral carinae absent; posterior furrows distinct; sensilli long, smooth, narrow, tapering; interlamellar setae long, thick, erect, covered with small spines; lamellar and rostral setae spiniform, procumbent, rough, ss> in> ro> le> ex. Notogaster with setae, strong, thick, but not long (c 1 /c 1 - d 1 =0,79) densely covered with small spines; setae c 1 and c 2 near the anterior margin than setae c 3, setae c 2 longer than c 1 and c 3, setae ps 4 the shortest; vestigial setae f 1 posteriorly of h 1 setae; only 2 pairs of lyrifissures ia and im present. Ventral region; setae h of mentum longer than distance between them; formula of genital setae: 7(4+3): 2; formula of anoadanal setae is 4:1, setae ad 1 the longest, setae ad 3 the smallest. Leg setation complete; setae d on femora I situated on the distal end .

Locality in Tanzania: Dodoma Region: Mahunka 1984, Niedbała 2001.

Distribution — Afrotropical species known only from Tanzania, probably endemic.

Figures

FIGURE 46: Steganacarus (Steganacarus) wallworki (Mahunka, 1984) (holotype): A – prodorsum, dorsal view; B – prodorsum, lateral view; C – opisthosoma, lateral view; D – left genitoaggenital plate; E – left anoadanal plate.