Rhyncaphytoptus guanegounis
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Ordo: Prostigmata
Familia: Diptilomiopidae
Genus: Rhyncaphytoptus
Name
Rhyncaphytoptus guanegounis Song, Zi-Wei, 2007 – Wikispecies link – Pensoft Profile
- Rhyncaphytoptus guanegounis Song, Zi-Wei, 2007, Zootaxa 1520: 63-65.
Description
Description. FEMALE: (n = 8) Body fusiform, 275 (275–280), 75 (65–75) wide, 70 (70–75) thick; light yellow. Gnathosoma 60 (60–61), projecting downwards, pedipalp coxal setae (ep) 3 (3–4), dorsal pedipalp genual setae (d) 12 (10–12). Chelicerae 58 (55–58), oral stylets 60 (60–61). Prodorsal shield39 (39–41), 60 (55– 60) wide; with long and broad frontal lobe; prodorsal shield triangular, smooth. Scapular tubercles ahead of rear margin, 29 (25–29) apart, scapular setae (sc) 23 (23–25) projecting forward. Coxal area smooth; anterolateral setae on coxisternum I (1 b) 15 (10–15), proximal setae on coxisternum I (1 a) 25 (20–25), proximal setae on coxisternum II (2 a) 40 (40–42). Prosternal apodeme present. Legs I48 (46–48), femur 13 (12–13), basiventral femoral setae (bv) 17 (15–17); genu 5 (5–6), antaxial genual setae (l’’) 32 (31–32); tibia 11 (11– 12), paraxial tibial setae (l’) 12 (11–12), setae located 1 / 3 from dorsal base; tarsus 8 (8–9), tarsal setae (u’) 5 (4–5), tarsal empodium simple, 6 -rayed, tarsal solenidion tapered. Legs II44 (44–45), femur 11 (11–12), basiventral femoral setae (bv) 15 (14–15); genu 5 (5–6), antaxial genual setae (l’’) 13 (12–13); tibia 10 (9–10); tarsus 8 (8–9), tarsal setae (u’) 5 (4–5), tarsal empodium simple, 6 -rayed, tarsal solenidion tapered. Opisthosoma: dorsal opisthosoma with 42 (39–43) annuli, smooth, ventrally with 70 (68–72) annuli, lateral annuli smooth but with triangular microtubercles in the center. Setae c 2 30 (25–30) on ventral annulus 12 (10–12); setae d60 (55–60) on ventral annulus 27 (24–27); setae e40 (35–40) on ventral annulus 41 (41–45); setae f25 (25–30) on 6 th ventral annulus from rear. Setae h 1 5 (5–6). Female genitalia16 (15–20), 32 (30–32) wide, coverflap smooth, proximal setae on coxisternum III (3 a) 30 (25–30). MALE: (n = 3) Body fusiform, 255 (255–260), 60 (60–64) wide, 65 (63–65) thick; light yellow. Gnathosoma 55 (55–58), projecting downwards, pedipalp coxal setae (ep) 2 (2–3), dorsal pedipalp genual setae (d) 10 (10–11). Chelicerae 51 (48–51), oral stylets 55 (55–58). Prodorsal shield33 (33–35), 52 (50–55) wide; with long and broad frontal lobe; prodorsal shield triangular. Scapular tubercles ahead of rear margin, 25 (24– 25) apart, scapular setae (sc) 20 (20–22) projecting forward. Coxal area smooth; anterolateral setae on coxisternum I (1 b) 10 (10–12), proximal setae on coxisternum I (1 a) 20 (20–22), proximal setae on coxisternum II (2 a) 35 (35–38). Prosternal apodeme present. Legs I44 (40–44), femur 12 (11–12), basiventral femoral setae (bv) 15 (13–15); genu 5 (5–6), antaxial genual setae (l’’) 30 (30–32); tibia 10 (10–11), paraxial tibial setae (l’) 10 (10–12), setae located 1 / 3 from dorsal base; tarsus 7 (7–8), tarsal setae (u’) 4 (4–5), tarsal empodium simple, 6 -rayed, tarsal solenidion tapered. Legs II40 (38–41), femur 10 (10–11), basiventral femoral setae (bv) 13 (12–15); genu 5 (5–6), antaxial genual setae (l’’) 12 (12–13); tibia 10 (9–10); tarsus 7 (6–7), tarsal setae (u’) 4 (4–5), tarsal empodium simple, 6 -rayed, tarsal solenidion tapered. Opisthosoma: dorsal opisthosoma with 35 (35–37) annuli, with round microtubercles, ventrally with 65 (65–70) annuli, with triangular microtubercles. Setae c 2 20 (20–25) on ventral annulus 10 (10–12); setae d55 (50–55) on ventral annulus 25 (23–25); setae e43 (35–40) on ventral annulus 38 (35–38); setae f20 (20–25) on 6 th ventral annulus from rear. Setae h 1 4 (4–5). Male genitalia3 (3–4), 22 (20–22) wide, proximal setae on coxisternum III (3 a) 18 (18–20).
Types. Holotype, female, China: Gansu Province, Dangchang County, Guane Gou, 33 ° 57 ’ 39 N, 104 ° 19 ’ 45 E. September 12, 2005, from Lonicera sp. (Caprifoliaceae), coll. Zi-Wei Song and Xiao-Feng Xue. Paratypes, 7 females and 3 males, with the same data as holotype. Relation to host. Vagrant on the leaf undersurface, causing no apparent damage.
Etymology
Etymology. The specific designation guanegounis is from the locality where the host plant and the new species were collected.
Discussion
Remarks. This species is similar to Rhyncaphytoptus lushanensis Kuang & Zhao, 1987, but can be differentiated by the following: prodorsal shield with long and broad frontal lobe (prodorsal shield without frontal lobe in R. lushanensis), accessory setae (h 1) present (accessory setae (h 1) absent in R. lushanensis), ventral annuli with triangular microtubercles in the center (ventral annuli with round microtubercles in R. lushanensis).
Taxon Treatment
- Song, Zi-Wei; Xue, Xiao-Feng; Hong, Xiao-Yue; 2007: Four new species and a new name in the genus Rhyncaphytoptus Keifer (Acari: Eriophyoidea: Diptilomiopidae) from China, Zootaxa 1520: 63-65. doi
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