Scoliquadracus longipetiolatus, Wei, Sui-Gai, Wang, Guo-Quan & Li, De-Wei, 2009

Wei, Sui-Gai, Wang, Guo-Quan & Li, De-Wei, 2009, A new genus and five new species of Diptilomiopidae (Acari: Eriophyoidea) from south China, Zootaxa 2109, pp. 59-68 : 60-61

Scoliquadracus longipetiolatus n. sp.

( Fig. 1 )

Female (n = 10). Body spindleform, ivory-white, 140 (136–167), 60 (56–63) wide, 37 (34–40) thick. Gnathosoma— 46 (43–48), curved abruptly downward. Prodorsal shield— With a small frontal lobe; 35 (33–36), 50 (49–54) wide; median, admedian and submedian lines complete. Scapular tubercles 10 (10–11), set on rear shield margin, 25 (23–26) apart, scapular setae (sc) 55 (50–61), directed forward. Coxae— Sternal line present, coxal area smooth, anterolateral setae on coxisternum І (1b) 10 (9–12), proximal setae on coxisternum І (1a) 15 (13–18), proximal setae on coxisternum І (2a) 26 (23–30). Coxigenital annuli fine, very numerous: 19. Leg— Segments normal. Leg І 35 (32–37), femur 11 (10–11), basiventral femoral setae (bv) 14 (12–17); genu 6 (5–6), antaxial genual setae (l'') 26 (23–31); tibia 10 (10–11), paraxial tibial setae (l ʹ) 7 (6–9); tarsus 6 (5–6); tarsal empodium entire, 5 (5–6), 8-rayed, tarsal solenidion knobbed, 7 (6–7). Leg І 29 (28–32), femur 8 (7–8), basiventral femoral setae (bv) 11 (9–13); genu 5 (5–6), antaxial genual setae (l'') 6 (5–8); tibia 7 (7–8); tarsus 6 (6–7), tarsal empodium entire, 5 (5–6), 8-rayed, tarsal solenidion knobbed, 6 (6–7). Opisthosoma— Dorsum with two furrows; dorsal annuli 39, with alternating low and high annuli from 1st to 29th, presenting a serrate profile in lateral view, with rounded microtubercles on low annuli only; median ridge with finger-like projections on 7th, 15th and 23rd annulus, and submedian ridges with two rows of finger-like projections on 7th, 11th, 15th, 19th, 23rd, 27th annulus, respectively; ventral annuli 78, with rounded microtubercles; setae c2 7 (6–9), on ventral annulus 19; setae d 37 (34–41), on ventral annulus 31; setae e 12 (11–16), on ventral annulus 45; setae f 14 (11–18), on 5th ventral annulus from rear; setae h1 present. Female genitalia— 14 (13–14), 25 (24–26) wide, coverflap smooth, proximal setae on coxisternum ІІ (3a) 17 (15–19).

Male (n=2). Body 110, 43 wide. Male genitalia— 21 wide, proximal setae on coxisternum ІІ (3a) 15. Type data. Holotype, female, Lizhou town, 24 km NE of Tianlin county (24°31'N, 106°24'E), Guangxi Zhuang Autonomous Region, China, 4-Aug.-2005, from Fagus longipetiolata Seem. (Fagaceae) , collected by Suigai Wei, Guoquan Wang and Dewei Li. Paratypes, 9 females and 2 males, were mounted on 11 slides, with the same data as holotype.

Relation to host. The mites are vagrant on the undersurfaces of the leaves, no visible damage seen. Etymology. The specific designation is derived from the specific name of the type host plant.

Figures

FIGURE 1. Scoliquadracus longipetiolatus n. sp. CGF — Coxal-genital area of female; D — Dorsal view of female; E — Empodium; GM — Genitalia, male; L — Lateral view of female; L 1 — Leg І; L 2 — Leg І. (Scale bar: CGF — 32; D — 49; E — 14; GM — 23; L — 52; L 1 & L 2 — 23.)