Cereusacarus maopingensis, XUE, XIAO-FENG, WANG, ZHEN, SONG, ZI-WEI & HONG, XIAO-YUE, 2009

XUE, XIAO-FENG, WANG, ZHEN, SONG, ZI-WEI & HONG, XIAO-YUE, 2009, Eriophyoid mites on Fagaceae with descriptions of seven new genera and eleven new species (Acari: Eriophyoidea), Zootaxa 2253 (1), pp. 1-95 : 52-55

Cereusacarus maopingensis sp. nov.

(Figs 14 & 15)

Description. FEMALE: (n = 4) Body fusiform, 165 (156–165), 40 (40–41) wide, 44 (43–45) thick; light yellow. Gnathosoma 15 (15–16), projecting obliquely down, pedipalp coxal seta (ep) 2 (2–3), dorsal pedipalp genual seta (d) 8 (7–8), divided, the basal part 3, the anterior part 6, cheliceral stylets 13 (13–14). Prodorsal shield 40 (40–42), 45 (45–46) wide; anterior shield lobe broad; prodorsal shield design with admedian and submedian lines, admedian lines connected at posterior of the shield and forming “vase” shape, and with irregular microtubercles at center, many short lines on prodorsal shield laterally. Scapular tubercles ahead of rear shield margin, 15 (15–16) apart, scapular setae (sc) 7 (7–8), projecting centrad. Coxal plates with granules, anterolateral setae on coxisternum І (1b) 5 (5–6), 10 (10–11) apart, proximal setae on coxisternum І (1a) 11 (9–11), 6 (5–6) apart, proximal setae on coxisternum І (2a) 30 (30–32), 19 (18–19) apart. Prosternal apodeme absent. Legs with usual series of setae. Leg І 25 (25–28), femur 8 (7–8), basiventral femoral seta (bv) 5 (5–6); genu 3 (3–4), antaxial genual seta (l'') 24 (22–25); tibia 5 (5–6), paraxial tibial seta (l') 9 (9–10), located at center from proximal tibial margin; tarsus 5 (4–5), seta ft' 16 (16–17), seta ft'' 18 (18–19), seta u' 4 (3–4); tarsal empodium (em) 4 (4–5), simple, 4-rayed, tarsal solenidion (ω) 4 (4–5), knobbed. Leg І 22 (21– 24), femur 7 (6–7), basiventral femoral seta (bv) 7 (6–7); genu 3 (2–3), antaxial genual seta (l'') 5 (4–5); tibia 3 (3–4); tarsus 4 (4–5), seta ft' 7 (6–7), seta ft'' 16 (15–17), seta u' 3 (3–4); tarsal empodium (em) 4 (4–5), simple, 4-rayed, tarsal solenidion (ω) 4 (4–5), knobbed. Opisthosoma: opisthosoma dorsally with 59 (56–59) annuli, with 3 ridges, middorsal ridge ends on the 36 th annulus before setae f, in a furrow, with elliptical microtubercles on ridges, ventrally with 62 (61–65) annuli, with round microtubercles. Setae c2 15 (9–17) on ventral annulus 9 (7–9), 42 (40–42) apart; setae d 43 (43–45) on ventral annulus 19 (19–20), 21 (21–22) apart; setae e 26 (18–27) on ventral annulus 34 (34–37), 8 (8–10) apart; setae f 15 (15–16) on 6th ventral annulus from rear, 14 (13–14) apart. Setae h1 2 (2–3), h2 24 (24–28). Female genitalia 12 (12–13), 15 (15–16) wide, coverflap with 10 longitudinal ridges, setae 3a 15 (15–16), 13 (12–13) apart.

MALE: (n = 1) Body fusiform, 155, 38 wide; light yellow. Gnathosoma 18, projecting obliquely down, pedipalp coxal seta (ep) 2, dorsal pedipalp genual seta (d) 6, divided, basal part 2, anterior part 5, cheliceral stylets 15. Prodorsal shield 38, 53 wide; anterior shield lobe broad. Scapular tubercles ahead of rear shield margin, 13 apart, scapular setae (sc) 6, projecting centrad. Coxal plates with granules, anterolateral setae on femoral seta (bv) 9; genu 3, antaxial genual seta (l'') 19; tibia 4, paraxial tibial seta (l') 7, located at center from proximal tibial margin; tarsus 5, seta ft' 14, seta ft'' 18, seta u' 3; tarsal empodium (em) 4, simple, 4-rayed, tarsal solenidion (ω) 4, knobbed. Leg І 19, femur 5, basiventral femoral seta (bv) 6; genu 2, antaxial genual seta (l'') 4; tibia 3; tarsus 4, seta ft' 4, seta ft'' 16, seta u' 3; tarsal empodium (em) 4, simple, 4-rayed, tarsal solenidion (ω) 4, knobbed. Opisthosoma: opisthosoma dorsally with 54 annuli, with 3 ridges, middorsal ridge ends on annulus 33 th, in a furrow, with elliptical microtubercles on ridges, ventrally with 58 annuli, with round microtubercles. Setae c2 15 on ventral annulus 8, 30 apart; setae d 33 on ventral annulus 17, 20 apart; setae e 17 on ventral annulus 32, 8 apart; setae f 13 on 6th ventral annulus from rear, 15 apart. Setae h1 2, h2 26. Male genitalia 15 wide, setae 3a 11, 12 apart.

Type material. Holotype, female (slide number NJAUAcariEri376-1, marked Holotype), from Cyclobalanopsis glauca (Fagaceae) , Maoping town, Yang County, Shaanxi Province, P. R. China, 33°31'08" N, 107°40'14" E, elevation 898m, 11 August 2005, coll. Zi-Wei Song and Xiao-Feng Xue. Paratypes, 3 females and 1 male (slide number NJAUAcariEri376-1) with the same data as holotype, occurred together with Paracaliphytoptus yangensis sp. nov. and Shaanxicarus glaucaer sp. nov.

Additional material examined. 4 females (slide number NJAUAcariEriW100), occurred together with Aceria triplacis Keifer, 1960 and Calesalquia tiantangzhaica sp. nov., from Quercus sp. (Fagaceae) , The Tiantangzhai National Forest Park, Anhui Province, P. R. China, 31°09'57" N, 115°45'57" E, elevation 587m, 10 September 2008, coll. Zi-Wei Song and Zhen Wang, erineum on the host plant.

Relation to host. Vagrant on leaf surface. No damage to the host was observed.

Etymology. The specific designation maopingensis is from name of location, Maoping, where the species were collected.