Acrotritia ardua (C.L. Koch, 1841)

Niedbała, Wojciech, 2017, Ptyctimous mites (Acari, Oribatida) of Tanzania, Acarologia 57 (4), pp. 957-1072 : 990-993

Acrotritia ardua (C.L. Koch, 1841)

( Figs 22 A-E)

Rhysotritia ardua: Niedbała 2001 , Niedbała & Ermilov 2014.

Diagnosis — Measurements of specimen from TAN-008: length of prodorsum: 261; length of notogaster: length 562. Species of medium size; colour light brown, brown; integument punctuate. Prodorsum with one pair of lateral carinae; sensilli with distinctly dilated head covered with spines; other setae rigid, erect, with small spines in distal half (except minute exobothridial setae); in> ss> le> ro> ex. Notogastral setae fairly short (c 1 <c 1 - d 1) covered with small spines in distal half, setae of row c remote from anterior border, setae c 2 more, setae c 3 less remote. Ventral region; 9 pairs of minute genital setae, 2 pairs of aggenital setae, arranged longitudinally. Chaetome of legs: I: 1-3-5(2)-4(1)-17(3), II: 1-3-3(1)-4(1)-13(2), III: 2-2-2(1)-3(1)-11, IV: 2-1-2-2(1)- 10; tarsi of the legs I bidactylous, tarsi II-IV heterotridactylous.

Localities in Tanzania: Nguru Mts. Species not yet recorded from TAN.

Distribution — Semicosmopolitan species.

Figures

FIGURE 22: Acrotritia ardua (C.L. Koch, 1841) (specimen from Finland): A – prodorsum, dorsal view; B – prodorsum, lateral view; C – opisthosoma, lateral view; D – subcapitulum; E – ventral region.