Cuihuacarus longituberis, Xue, Xiao-Feng, Song, Zi-Wei & Hong, Xiao-Yue, 2009

Xue, Xiao-Feng, Song, Zi-Wei & Hong, Xiao-Yue, 2009, One new genus and five new species of Rhyncaphytoptinae from China (Acari: Eriophyoidea: Diptilomiopidae), Zootaxa 1992, pp. 1-19 : 4-7

Cuihuacarus longituberis sp. nov.

( Figs 3 & 4 )

Description. FEMALE: (n = 12) Body fusiform, 275 (268–285), 66 (65–67) wide, 65 (65–66) thick; light yellow. Gnathosoma 58 (55–60), projecting downwards, pedipalp coxal seta (ep) absent, dorsal pedipalp genual seta (d) 11 (10–11), cheliceral stylets 55 (55–56). Prodorsal shield semicircular, 28 (27–30), 50 (48–51) wide; anterior shield lobe absent; median line absent, admedian lines concave at center and connected at base by a transverse line, a “U” shape line present at base. Scapular tubercles near rear margin, very long, 29 (28–31), 19 (19–20) apart, scapular setae (sc) robust, 38 (37–39) projecting forward. Coxal plates smooth; anterolateral setae on coxisternum І (1b) 15 (15–16), 8 (7–8) apart, proximal setae on coxisternum І (1a) 31 (28–35), 8 (7–8) apart, proximal setae on coxisternum І (2a) 42 (38–46), 21 (20–22) apart. Prosternal apodeme 10 (9–10). Legs with usual series of setae. Leg І 43 (41–45), femur 13 (12–13), basiventral femoral seta (bv) 17 (16–19); genu 7 (6–7), antaxial genual seta (l'') 27 (26–28); tibia 12 (12–13), paraxial tibial seta (l') 8 (7–8), located 1/3 from proximal tibial margin; tarsus 7 (7–8); tarsal empodium simple, 7-rayed, tarsal solenidion tapered. Leg І 38 (36–40), femur 11 (10–11), basiventral femoral seta (bv) 13 (11–15); genu 6 (5–6), antaxial genual seta (l'') 8 (8–9); tibia 10 (10–11); tarsus 7 (7–8); tarsal empodium simple, 7-rayed, tarsal solenidion tapered. Opisthosoma: opisthosoma dorsally with 33 (32–33) annuli, smooth, evenly rouned, ventrally with 35 (34–37) annuli, smooth. Setae c2 11 (10–11) on ventral annulus 3 (3–4), 61 (60–62) apart; setae d 38 (35–41) on ventral annulus 10 (10–11), 38 (36–39) apart; setae e 12 (11–13) on ventral annulus 18 (17–19), 19 (18–19) apart, setae f 46 (39–48) on 6th ventral annulus from rear, 27 (25–28) apart. Setae h1 5 (5–6). Female genitalia 15 (15–16), 27 (26–27) wide, coverflap smooth, setae 3a 11 (10–11), 15 (14–16) apart.

MALE: Unknown.

Type material. Holotype, female, from Cotoneaster sp. ( Rosaceae ), Cuihua Mountain, Xi’an City, Shaanxi Province, China, 15 August 2005, coll. Xiao-Feng Xue and Zi-Wei Song. Paratypes, 11 females with the same data as holotype.

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

Etymology. The specific designation longituberis is derived from the long scapular tubercles of the species.

Figures

FIGURE 3. Cuihuacarus longituberis gen. nov. & sp. nov. D, dorsal view of female; CG, female coxae and genitalia; L 1, leg І; L 2, leg І.

FIGURE 4. Cuihuacarus longituberis gen. nov. & sp. nov. L, lateral view of female; em, empodium; LO, enlarged view of annuli in lateral view.