Acrotritia Jacot, 1923

Niedbała, W., 2017, Ptyctimous mites (Acari, Oribatida) of Madagascar and neighbouring islands, Acarologia 57 (1), pp. 3-205: 44

publication ID 10.1051/acarologia/20164149


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Acrotritia Jacot, 1923


Acrotritia Jacot, 1923  

Cuticular surface of body generally finely punctate or porose. Prodorsum without median crista, but with one or two pairs of lateral carinae; bothridial scales situated above the bothridia; posterior median apodeme present; setae in, le and ro in median (paraxial) position. Notogaster with 14 pairs of setae, setae c 1 and c 2 remote from anterior border more than setae c 3, setae ps 1 situated anterior the ps 2-3 setae; one pair of openings of lateral opisthonotal glands openings (gla); five pairs of lyrifissures ia, im, ip, ih, ips and two pairs of vestigial setae f present; terminal sinus at the posterior end. Ventral region; setae h of mentum longer than distance between them; palps 3-segmented, with normal formula: 2-2-8(1); anogenital cleft absent; one interlocking triangle present; three pairs of anal setae, an 1 and an 2 rigid, smooth, an 3 minute; three pairs of rigid adanal setae covered with small spines in distal half, longer than anal setae an 1 and an 2; lyrifissures iad located between ad 3 and an 3 setae. Legs; trochanters I and II bearing one setae and III and IV with two setae; genua IV without solenidia; setae d on tibiae IV relatively long and not coupled with solenidion; solenidia of tarsi II without coupled setae; tarsi mono-, bi- or heterotridactylous.

Distribution — Semicosmopolitan.