Kuangella eurycorymbus, Wang & Wei & Yang, 2013

Wang, Guo-Quan, Wei, Sui-Gai & Yang, Ding, 2013, Three new species of Nothopodinae (Acari, Eriophyidae) from China, Zoosystema 35 (1), pp. 25-33 : 26-28

Kuangella eurycorymbus n. sp.

( Fig. 1 )

TYPE MATERIAL. — Holotype: Bubeng, Mengla County (21°30’N, 101°28’E), Yunnan Province, China, 28.XI.2007, from Eurycorymbus cavaleriei (Levl.) Rehd.& Hand.(Sapindaceae) , Guo-Quan Wang, slide-mounted, ♀ ( DPPGXU). Paratypes: mounted on 7 slides, with the same data as holotype, 5 ♀♀ ( DPPGXU), 2 ♀♀ (MNHN-Ac1179, Ac1180).

RELATION TO HOST. — The mites are vagrant on the undersurface of the leaves, no visible damage seen.

ETYMOLOGY. — The specific designation is derived from the generic name of the type host plant.

DIAGNOSIS. — Body fusiform, white, prodorsal shield with median and admedian lines complete, submedian lines connected basally forming U-shape; coxal plate with granules; tarsal empodium 5-rayed, tarsal solenidion knobbed; dorsal annuli smooth,ventral annuli with elongated microtubercles; setae h1 absent; female coverflap with granules.

DESCRIPTION

Female (n = 8). Male not seen.

Body ( Fig. 1A )

Fusiform, white, 133 (128-137), 60 (58-64) wide.

Gnathosoma

22 (22-23), obliquely downward; dorsal pedipalp genual setae (d) 3 (3-4), pedipalp coxal setae (ep) 2 (2-3); cheliceral stylets 21 (20-21).

Prodorsal shield ( Fig. 1A )

46 (44-47), 60 (58-62) wide, frontal lobe small; median and admedian lines complete, submedian lines connected basally forming U-shape. Scapular tubercles placed near lateral margin, 52 (50-54) apart, scapular setae (sc) directed laterally, 10 (9-10).

Coxae ( Fig. 1B )

Internal sternal apodeme present, coxisternal plates sculptured with granules; anterolateral setae on coxisternum I (1b) 4 (3-4),14 (13-14) apart; proximal setae on coxisternum I (1a) 10 (8-11), 13 (12-14)

apart; proximal setae on coxisternum II (2a) 27 (25-30), 27 (26-28) apart. Coxal-genital annuli faint.

Legs ( Fig. 1E, F )

Tibiae fused with tarsi. Legs I 24 (23-26), trochanter 2 (2), femur 12 (12-13), basiventral femoral setae (bv) absent; genu 3 (2-3), antaxial genual setae (l’’) 30 (25-32); tarsus 7 (7-8), paraxial fastigial tarsal setae (ft’) 20 (18-22), antaxial fastigial tarsal setae (ft’’) 20 (18-24), paraxial unguinal tarsal setae (u’) 5 (5); tarsal empodium ( Fig. 1C ) entire, 6 (6-7), 5-rayed, tarsal solenidion laterally, 5 (5-6), knobbed.Legs II 27 (25- 28), trochanter 2 (2), femur 10 (10-11), basiventral femoral setae (bv) 12 (11-14); genu 3 (2-3), antaxial genual setae (l’’) 10 (8-11); tarsus 6 (6-7), paraxial fastigial tarsal setae (ft’) 21 (18-23), antaxial fastigial tarsal setae (ft’’) 5 (5-6), paraxial unguinal tarsal setae (u’) 5 (5); tarsal empodium entire, 5 (5-6), 5-rayed, tarsal solenidion 8 (7-8), knobbed.

Opisthosoma ( Fig. 1A, D )

Dorsum with broad furrow, dorsal annuli 26 (26- 27), smooth; ventral annuli 49, with elongated microtubercles; setae c2 20 (18-23), on ventral annulus 8th; setae d 43 (38-50), 31 (30-32) apart, on ventral annulus 18th; setae e 18 (15-23), 14 (14-15) apart, on ventral annulus 30th; setae f 15 (13-18), 17 (16-17) apart, on 6th ventral annulus from rear; setae h1 absent, setae h2 72 (65-83).

Female genitalia ( Fig. 1B )

16 (15-16), 25 (25-26) wide, coverflap sculptured with granules, proximal setae on coxisternum III (3a) 3 (3-4), 20 (19-20) apart.

REMARKS

The new species is close to K. theae Wei, Wang & Li, 2009 , but can be separated from the latter by the median and submedian lines present, prodorsal shield not sculptured with granules, empodium 5-rayed and infesting Eurycorymbus cavaleriei (Sapindaceae) ; in K. theae , the median and submedian lines absent, prodorsal shield sculptured with granules, empodium 6-rayed and infesting Sageretia thea (Osbeck) Johnst (Rhamnaceae) ( Wei et al. 2009). The new species is differentiated from another species, Kuangella rhis Wei & Qin, 2002 , as follows: the submedian lines connected basally forming U-shape, coxisternal plates and female coverflap sculptured with granules and tarsal solenidion placed laterally, knobbed; in K. rhis , submedian lines faint and companied with many granules, coxisternal plates and female coverflap smooth and tarsal solenidion placed normal, unknobbed ( Wei & Qin 2002).

Figures

FIG. 1. — Kuangella eurycorymbus n. sp.: A, dorsal aspect of female; B, coxigenital area of female; C, empodium (enlarged); D, lateral view of annuli (enlarged); E, leg І; F, leg ІІ. Scale bars: A, B, D, 44 μm; C, 12 μm; E, F, 27 μm.