Sinella pseudobrowni, Zhang, Feng, 2013
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publication ID |
https://doi.org/ 10.11646/zootaxa.3736.5.7 |
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publication LSID |
lsid:zoobank.org:pub:794ABCB3-FC0A-4C51-B0CC-7B627E64C90E |
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DOI |
https://doi.org/10.5281/zenodo.5669986 |
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persistent identifier |
https://treatment.plazi.org/id/617E87F9-FFFB-C466-FF2D-11DBFD3460B0 |
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treatment provided by |
Plazi |
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scientific name |
Sinella pseudobrowni |
| status |
sp. nov. |
Sinella pseudobrowni sp. nov.
Figs 3 View FIGURES 1 – 5 , 34−46 View FIGURES 34 – 40. S View FIGURES 41 – 45
Types. Holotype: female on slide, China: Anhui: Qimen: Likou Town: Lixi village, 29°59.241’N, 117°29.224’E, 12.viii.2011, F. Zhang, D.- Y. Yu and Y.-H. Ren leg. (sample number C9671, C9672). Paratypes: 1 male and 4 females on slide and 4 in alcohol, same data as holotype.
Description. Body length up to 1.30 mm. Body white and often with orange pigment ( Fig. 3 View FIGURES 1 – 5 ).
Antenna 1.7 times as long as cephalic diagonal. Antennal segments ratio as I: II: III: IV = 1: 1.67–2.00: 1.42–1.89: 2.92–3.56. Long smooth straight chaetae 4 ventral on Ant.II. Two internal S of Ant.III organ strongly expanded ( Fig. 34 View FIGURES 34 – 40. S ).
Omma 2+2, longitudinal and close to each other. Papilla E with 4 guard chaetae; lateral process of labial palp thick as normal chaetae. Labial chaetae smooth, R/M=0.60–0.75; chaetae X, X2 and X4 ciliate and smaller than others. Cephalic groove with 7(6) chaetae; anterior three smooth and others ciliate ( Fig. 35 View FIGURES 34 – 40. S ). Dorsal cephalic chaetotaxy with 3 median (M) mac. Clypeal chaetae 8, 3 of them ciliate ( Fig. 36 View FIGURES 34 – 40. S ).
Trochanteral organ with 11–15 smooth spiny chaetae; 8–12 in arms and 3 between them ( Fig. 37 View FIGURES 34 – 40. S ). Partial inner differentiated tibiotarsal chaetae apparently “smooth” with ciliations closely appressed to axis. Most distal whorl with 10 ciliate chaetae. Unguiculus outer edge smooth. Tenent hairs pointed, subequal to unguiculus in length ( Fig. 38 View FIGURES 34 – 40. S ). Abd.IV 2.7–3.1 times as Abd.III in length along dorsal midline. Ventral tube anteriorly with 7+7 ciliate chaetae, two of them much larger ( Fig. 39 View FIGURES 34 – 40. S ); posteriorly with 9 smooth chaetae, distal four in a row ( Fig. 41 View FIGURES 41 – 45 ); each lateral flap with 8 smooth chaetae ( Fig. 42 View FIGURES 41 – 45 ). Manubrium laterally and dental lobe respectively with 1 and 1 straight smooth chaetae. Manubrial plaque with 2 pseudopores and 3(2) ciliate chaetae. Distal smooth part of dens 2.0 times of mucro in length. Mucro bidentate with two teeth subequal; basal spine short with tip reaching the subapical tooth ( Fig. 40 View FIGURES 34 – 40. S ).
Th.II with 3 medio-medial (m1, m2, m 2i), 3 medio-lateral (m4, m 4i, m4p) and about 18 posterior mac; mac p2ep2 rarely present. Th.III with 25 mac; p5 as mic ( Fig. 43 View FIGURES 41 – 45 ). Abd.I with 6 (a3, m2–4, m 2i, m4p) mac; ms anteroexternal to s-chaeta. Abd.II with 3 (m3, m3e, m3ep) central and 1 (m5) lateral mac. Abd.III with 1 (m3) central, 3 (am6, pm6, p6) lateral mac, 1 ms and 2 s-chaetae ( Fig. 46). Abd.IV with 3 central (M, A6, B5), 5 lateral mac (F1, E2–4, E2p) and at least 14 s-chaetae; most s-chaetae much longer than those on anterior terga ( Fig. 44 View FIGURES 41 – 45 ). Abd.V with 3 s-chaetae; set p1p+ with only p4p present ( Fig. 45 View FIGURES 41 – 45 ).
Ecology. In shrubs and leaves.
Etymology. Named after the similarities to S. browni .
Remarks. This new species is closest to S. browi Chen & Christiansen, 1993 in 2+2 omma, claw structure, manubrial plaque, mucro, presence of smooth chaetae on manubrium, and chaetotaxy of dorsal head and Th.II– Abd.III. It differs from the latter in presence of apparently “smooth” inner tibiotarsal chaetae, 3+3 central mac on Abd.IV and ciliate X and X2 posterior to labium. It also resembles S. plebeia Chen & Christiansen, 1993 in presence of “smooth” inner tibiotarsal chaetae, claw structure, ciliate X, X2 and X4 posterior to labium, chaetotaxy of dorsal head, Th.II and Abd.I–III, and anterior face of ventral tube, but differs from it in 2 omma not separate from each other, smooth labial chaeta R, p5 as mic on Th.III, 3+3 central and 5+5 lateral mac on Abd.IV, and 9 smooth chaetae on posterior face of ventral tube.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.