Paraisoannulus machiles, Xue, Xiao-Feng, Cheng, Li-Sheng & Hong, Xiao-Yue, 2011

Xue, Xiao-Feng, Cheng, Li-Sheng & Hong, Xiao-Yue, 2011, Eriophyoid mites from Hainan Province, China III: Descriptions of three new genera and three new species of Colomerini (Acari: Eriophyoidea), Zootaxa 2798 (1), pp. 37-47 : 38

Paraisoannulus machiles sp. nov.

( Figs 1 & 2 )

Description. FEMALE: (n = 5) Body fusiform, 233 (201–233), 60 (60–62) wide, 48 (48–49) thick; light yellow. Gnathosoma 28 (27–28), projecting obliquely down, pedipalp coxal seta (ep) 2 (2–3), dorsal pedipalp genual seta (d) 7 (6–7), subapical pedipalp tarsal seta (v) 3 (2–3) simple (not branched), cheliceral stylets 25 (24–25). Prodorsal shield 34 (34–36), 55 (52–56) wide, median and admedian lines absent, prodorsal shield with a large longitudinal “furrow” ahead of rear margin, prodorsal shield with some little pits at anterior and lateral except on the furrow; anterior shield lobe broad. Scapular tubercles near rear shield margin, 44 (44–45) apart, scapular setae (sc) 7 (6–8), projecting posteriorly. Coxal plates smooth, anterolateral setae on coxisternum І (1b) 6 (6–7), 12 (12–13) apart, proximal setae on coxisternum І (1a) 10 (10–13), 7 (7–8) apart, proximal setae on coxisternum І (2a) 31 (30–35), 20 (20–22) apart. Prosternal apodeme 6 (6–7). Legs with genu II seta absent. Leg І 34 (34–36), femur 9 (8–9), basiventral femoral seta (bv) 11 (11–13); genu 4 (4–5), antaxial genual seta (l'') 26 (25–26); tibia 7 (7–8), paraxial tibial seta (l') 6 (5–6), located at 2/3 from dorsal base; tarsus 8 (7–8), seta ft' 18 (18–20), seta ft'' 16 (16–18), seta u' 3 (3–4), tarsal empodium (em) 6 (5–6), simple, 4-rayed, tarsal solenidion (ω) 6 (5–6), rod-like. Leg І 32 (31–33), femur 6 (6–7), basiventral femoral seta (bv) 7 (7–8); genu 4 (3–4), antaxial genual seta (l'') absent; tibia 6 (5–6); tarsus 7 (6–7), seta ft' 5 (5–6), seta ft'' 13 (12–13), seta u' 3 (3–4), tarsal empodium (em) 5 (5–6), simple, 4-rayed, tarsal solenidion (ω) 5 (5–6), rod-like. Opisthosoma: opisthosoma dorsally with 20 (20–21) broad annuli, with filamentous microtubercles on rear annular margins, ventrally with 22 (22–23) broad annuli, with filamentous microtubercles on rear annular margins. Setae c2 10 (10–13) on ventral annulus 2 (2–3), 40 (40–41) apart; setae d 12 (12–13) on ventral annulus 5 (5–6), 32 (30–32) apart; setae e 6 (5–6) on ventral annulus 9 (9–10), 16 (16–17) apart, setae f 36 (36–38) on 6th ventral annulus from rear, 21 (21–22) apart. Setae h1 absent, h2 26 (25–32). Female genitalia 14 (13–15), 23 (22–23) wide, coverflap smooth, setae 3a 5 (5–6), 13 (13–14) apart.

MALE: Unknown.

Type material. Holotype, female (slide number NJAUAcariEriQ52 , marked Holotype), from Machilus gamblei King ex Hook. f. ( Lauraceae ), Bawangling Nature Reserve , Changjiang County, Hainan Province, P.R. China, 19°07ʹ03ʹʹN, 109°09ʹ02ʹʹE, elevation 650m, 29 September 2008, coll. Xiao-Feng Xue, Zi-Wei Song & Zhen Wang. Paratypes, 4 females (slide number NJAUAcariEriQ52 ), with the same data as holotype.

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

Etymology. The specific designation machiles is from the generic name of the host plant, Machilus .

Figures

FIGURE 1. Paraisoannulus machiles gen. nov. & sp. nov. D, dorsal view of female; CG, coxae and female genitalia; em, empodium.

FIGURE 2. Paraisoannulus machiles gen. nov. & sp. nov. L, lateral view of female; LO, lateral microtubercles; L 1, leg І; L 2, leg І.