Acrotritia sinensis Jacot, 1923

Liu, Dong & Chen, Jun, 2015, Acrotritia species (Acari: Oribatida: Euphthiracaridae) from China with description of a new species, Zootaxa 3937 (1), pp. 127-146 : 143-145

Acrotritia sinensis Jacot, 1923

( Figs. 8 A–H)

Measurements. Prodorsum: length 200–215, width 140–153, height 82–90, setae: ss 70, ro 51, in 95, le 65, ex 8, mutual distance: in–in 80, le–le 30, ro–ro 27; notogaster: length 370–402, width 240–275, height 254–270; setae: c 1 45, c 2 45, c 3 48, c p 47, d 1 40, d 2 35, e 1 50, e 2 45, h 1 50, h 2 47, h 3 47, ps 1 45, ps 2 47, ps 3 42, mutual distance: c 1– d 1 95, d 1– e 1 120, e 1– h 1 75, h 1– ps 1 67; genito-aggenital plate 142×60, ano-adanal plate 177×45.

Colour yellowish; prodorsum with one pair of distinct and long lateral carinae; sensilla with narrow pedicel and fusiform head, covered with small spines; prodorsal and notogastral setae robust, rigid and sparsely barbed in distal half, except exobothridial setae; vestigial setae f 1 positioned anterior to setae h 1; genito-aggenital plates with 8 or 9 pairs of genital setae, including 1 pair of setae inserted on progenital area; 2 pairs of aggenital setae located longitudinally; all tarsi of legs monodactylous.

Material examined. China: Fujian Province: 4 adults (in alcohol, W-89-1), Wuyi Mt., Wuyigong, from leaves under bamboo, shrub and fern, 23 Apr. 1989, leg. Hui-Fu Wang; 2 adults (in alcohol, W-89-4), Wuyi Mt., Dawangfeng, from leaves (thick and wet), 24 Apr. 1989, leg. Hui-Fu Wang; 2 adults (in alcohol, W-89-5), from leaves under Pinus massoniana , other data same as W-89-4; 2 adults (in alcohol, W-89-6), from leaves under bamboo forest, other data same as W-89-4; 1 adult (in alcohol, W-89-9), Wuyi Mt., Wuyigong, from leaves, 23 Apr. 1989, leg. Hui-Fu Wang; 4 adults (in alcohol, W-89-13), from leaves under shrub, other data same as W-89-4; 3 adults (in alcohol, W-89-14), from leaves under pine tree and fern, other data same as W-89-4; 1 adult (in alcohol, W-89-16), Wuyi Mt., Sangang, from leaves near road, 27 Apr. 1989, leg. Hui-Fu Wang; 1 adult (in alcohol, W-89- 25), Wuyi Mt., Sangang, from leaves, 28 Apr. 1989, leg. Hui-Fu Wang. China: Hebei Province: Raoyang County, Wugongxiang, 1 adult (in alcohol, W-87-1), from litter in tree hole, 21 Nov. 1987, leg. Yun-Qi Cui; 1 adult (in alcohol, CJ-05-57), Baoding, Hebei University, from litter under shrub, 15 Aug. 2005, leg. Jun Chen; 1 adult (in alcohol, Yao-16), Shijiazhuang, from litter, 28 Jul. 1983, leg. Wen-Bing Yao; 1 adult (in alcohol, Yao-17), same data as Yao-16; 1 adult (in alcohol, W-89-150), Tanghai 2th Farm, from litter, 28 Jul. 1989, leg. Yun-Qi Cui; 1 adult (in alcohol, CJ-02-16), Yangyuan County, Hutouliang, from litter under willow, 12 May 2002, leg. Jun Chen; 1 adult (in alcohol, CJ-02-18), Yangyuan County, Nihewan, from litter under Populus alba, 11 May 2002, leg. Jun Chen.

Remarks. All specimens have nine pairs of genital setae, except some specimens from Fujian Province with only eight pairs.

Figures

FIGURE 8. Acrotritia sinensis Jacot, 1923: A, lateral view of body (legs removed); B, prodorsum, dorsal view; C, sensillum, dorsal view; D, ventral plate; E – H, trochanter, femur, genu and tibia: E, leg I; F, leg II; G, leg III; H, leg IV. Scale bars: A – B, E – H = 100 µm; C – D = 50 µm.