Rhyncaphytoptus funali, 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 : 15

Rhyncaphytoptus funali sp. nov.

( Figs 9 & 10 )

Description. FEMALE: (n = 6) Body fusiform, 209 (200–232), 62 (61–63) wide, 55 (54–55) thick; light yellow. Gnathosoma 52 (50–55), projecting down, pedipalp coxal seta (ep) absent, dorsal pedipalp genual seta (d) 7 (6–7), cheliceral stylets 48 (47–49). Prodorsal shield subtriangular, 30 (30–31), 39 (38–40) wide; anterior shield lobe broad; median line absent, admedian lines concave at center, a “U” shape line present at the base. Scapular tubercles ahead of rear margin, 27 (26–27) apart, scapular setae (sc) 18 (18–19) projecting forward. Coxal plates smooth; anterolateral setae on coxisternum І (1b) 11(10–12), 9 (8–9) apart, proximal setae on coxisternum І (1a) 30 (28–33), 9 (8–9) apart, proximal setae on coxisternum І (2a) 49 (45–51), 26 (25–26) apart. Prosternal apodeme 6 (5–6). Legs with usual series of setae. Leg І 40 (38–42), femur 14 (14–15), basiventral femoral seta (bv) 12 (12–13); genu 6 (5–6), antaxial genual seta (l'') 19 (18–20); tibia 10 (9–10), paraxial tibial seta (l') 7 (6–7), located 1/3 from proximal tibial margin; tarsus 6 (6–7); tarsal empodium simple, 5-rayed, tarsal solenidion tapered. Leg І 22 (20–25), femur 12 (11–12), basiventral femoral seta (bv) 11 (10–11); genu 5 (4–5), antaxial genual seta (l'') 8 (7–8); tibia 7 (7–8); tarsus 6 (6–7); tarsal empodium simple, 5-rayed, tarsal solenidion tapered. Opisthosoma: opisthosoma dorsally with 24 (24–27) annuli, with spiny microtubercles projecting posteriad from the rear annular margin, evenly rounded, ventrally with 71 (69–75) annuli, with spiny microtubercles on rear annular margin. Setae c2 13 (12–14) on ventral annulus 15 (15–16), 60 (58–61) apart; setae d 54 (50–58) on ventral annulus 28 (28–32), 46 (45–46) apart; setae e 21 (20–23) on ventral annulus 44 (41–45), 26 (25–26) apart, setae f 21 (21–22) on 6th ventral annulus from rear, 23 (22–23) apart. Setae h1 5 (5–6). Female genitalia 14 (13–15), 24 (23–25) wide, coverflap with granules on the basal area, setae 3a 12 (12–13), 18 (17–18) apart.

MALE: Unknown.

Type material. Holotype, female, from Salix sp. ( Salicaceae ), Foping County, Shaanxi Province, P.R. China, 5 September 2004, coll. Xiao-Feng Xue and Zi-Wei Song. Paratypes, 5 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 funali is from the Latin word “funalis”, means taper, to describe the body shape of the new species.

Differential diagnosis. This species is similar to R. acilius Keifer, 1939 b, but can be differentiated from the latter by dorsal annuli with spiny microtubercles projecting posteriad from the rear annular margin (dorsal microtubercles on rear annular margin in R. acilius ), 5-rayed tarsal empodium of each leg (tarsal empodium 9- rayed in R. acilius ), seta ep absent (seta ep long in R. acilius ).

Figures

FIGURE 9. Rhyncaphytoptus funali sp. nov. D, dorsal view of female; CG, female coxae and genitalia; em, empodium.

FIGURE 10. Rhyncaphytoptus funali sp. nov. L, lateral view of female; LO, enlarged view of annuli in lateral view; L 1, leg І; L 2, leg І.