Steganacarus (Rhacaplacarus) spiniferus ( Mahunka, 1993 )

Niedbała, Wojciech, 2017, Ptyctimous mites (Acari, Oribatida) of Tanzania, Acarologia 57 (4), pp. 957-1072 : 1020

Steganacarus (Rhacaplacarus) spiniferus ( Mahunka, 1993)

( Fig. 42 A-G)

Rhacaplacarus spiniferus Mahunka, 1993 .

Steganacarus (Rhacaplacarus) spiniferus: Niedbała 2001 .

Diagnosis — Measurements after Mahunka (1993): length of prodorsum 184-256; notogaster: length 303-483, height 200-344. Medium-sized species; surface of body covered with alveoli. Prodorsum with lateral carinae and posterior furrows present; sensilli long, sickle-shaped, serrate in distal half; dorsal setae spiniform, interlamellar setae the thickest, lamellar setae the smallest, ss> in> ro> le; exobothridial setae vestigial. Notogaster with very short, spiniform, rough setae; setae c 3 slightly remote from anterior margin, setae c 1 more remote and setae c 2 far from margin; 4 pairs of lyrifissures ia, im, ip, ips present. Ventral region; formula of genital setae: 6(4+2): 3; setae of anoadanal plates sword-shaped, setae ad 3 the smallest. Leg setation complete; setae d on femora I inserted near distal end of article.

Locality in Tanzania: Morogoro Region: Mahunka 1993, Niedbała 2001.

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

Figures

FIGURE 42: Steganacarus (Rhacaplacarus) spiniferus (Mahunka, 1993) (after Mahunka 1993): A – prodorsum, dorsal view; B – sensillus; C – lateral view of body; D – seta c1; E – genitoaggenital and anoadanal plates; F – seta ad2; G – femur of leg I.