Octonoba bicornuta, Seo, 2018
publication ID |
https://doi.org/ 10.12651/JSR.2018.7.4.251 |
persistent identifier |
https://treatment.plazi.org/id/E65A87EE-FFF5-FFED-FCA0-FDBFFBFFE14E |
treatment provided by |
Felipe |
scientific name |
Octonoba bicornuta |
status |
sp. nov. |
Octonoba bicornuta View in CoL n. sp.
ĝḇâṴHḑ (ṉÿ) ( Fig. 4 View Fig G-K)
Material examined. Holotype: $, grassland (36°49 ʹ 38 ʺ N, 128°58 ʹ 09 ʺ E, alt. 321 m), Jaesan-myeon, Bonghwa-gun , Gyeongsangbuk-do, 22 June 2010, J. C. Lim GoogleMaps . Paratype: 1$, same data as holotype.
Etymology. The specific name is a Latin adjective “ bicornutus ” (two-horned), referring to a pair of anterior projections of epigynum.
Diagnosis. The new species is similar to O. kentingensis Yoshida, 2012 and O. lanyuensis Yoshida, 2012 in the anterior projection of epigynum, but different from the latter two species by the size of epigynal projection, the shapes of copulatory ducts and spermatheca ( Fig. 4 View Fig I-K).
Description. Female (holotype). Total length 6.10. Habitus as in Figure 4 View Fig G-H. Carapace reddish brown except brownish medial posterior, 1.80 long, 1.55 wide. Clypeus height 1.6 times of diameter of AME. AER 0.85, PER 0.87. AME 0.14, ALE 0.09, PME 0.12, PLE 0.13, AME-AME 0.07, AME-ALE 0.22, PME-PME 0.22, PME-PLE 0.16, AME-PME 0.20, and ALE-PLE 0.21. Median ocular quadrangle, posterior side>height>anterior side (35:33:25). Chelicera with four promarginal teeth and 40 microscopic teeth at distal part of fang furrow. Sternum 1.24 long, 0.85 wide. Labium 0.26 long, 0.33 wide. Leg measurements: I 10.00 (3.00, 0.90, 2.50, 2.55, 1.05), II 6.05 (1.90, 0.65, 1.20, 1.55, 0.75), III 4.50 (1.45, 0.55, 0.75, 1.10, 0.65), IV 6.95 (2.15, 0.75, 1.55, 1.50, 1.00). Leg I/c 5.56. Fem. I/c 1.67. Tib. I/c 1.39. Met. I/c 1.42. Pat. I + tib. I/c 1.89. Met. I/tar. I 2.43. Met. IV/tar. IV 1.50. Calamistrum on two-thirds of Metatarsus IV. Abdomen oval and distended anteriorly, and 4.25 long, 2.95 wide. Epigynum: atrium wide with a pair of anterior projections around copulatory openings; internal genitalia with a pair of spermathecae and short copulatory ducts. ( Fig. 4 View Fig I-K).
Habitat. Grassland.
World Distribution. Korea (Gyeongsangbuk-do).
Deposition. NIBR.
Identifier. Bo Keun Seo.
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.
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