Chrysso bimaculata

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Zhang B, Zhang F (2012) Two new spider species of the genus Chrysso O. P.-Cambridge, 1882 (Araneae, Theridiidae) in Hainan Island, China. ZooKeys 190 : 21–31, doi. Versioned wiki page: 2012-05-04, version 24244, https://species-id.net/w/index.php?title=Chrysso_bimaculata&oldid=24244 , contributors (alphabetical order): Pensoft Publishers.

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BibTeX:

@article{Zhang2012ZooKeys190,
author = {Zhang, Bao-Shi AND Zhang, Feng},
journal = {ZooKeys},
publisher = {Pensoft Publishers},
title = {Two new spider species of the genus Chrysso O. P.-Cambridge, 1882 (Araneae, Theridiidae) in Hainan Island, China},
year = {2012},
volume = {190},
issue = {},
pages = {21--31},
doi = {10.3897/zookeys.190.2924},
url = {http://www.pensoft.net/journals/zookeys/article/2924/abstract},
note = {Versioned wiki page: 2012-05-04, version 24244, https://species-id.net/w/index.php?title=Chrysso_bimaculata&oldid=24244 , contributors (alphabetical order): Pensoft Publishers.}

}

RIS/ Endnote:

TY - JOUR
T1 - Two new spider species of the genus Chrysso O. P.-Cambridge, 1882 (Araneae, Theridiidae) in Hainan Island, China
A1 - Zhang B
A1 - Zhang F
Y1 - 2012
JF - ZooKeys
JA -
VL - 190
IS -
UR - http://dx.doi.org/10.3897/zookeys.190.2924
SP - 21
EP - 31
PB - Pensoft Publishers
M1 - Versioned wiki page: 2012-05-04, version 24244, https://species-id.net/w/index.php?title=Chrysso_bimaculata&oldid=24244 , contributors (alphabetical order): Pensoft Publishers.

M3 - doi:10.3897/zookeys.190.2924

Wikipedia/ Citizendium:

<ref name="Zhang2012ZooKeys190">{{Citation
| author = Zhang B, Zhang F
| title = Two new spider species of the genus Chrysso O. P.-Cambridge, 1882 (Araneae, Theridiidae) in Hainan Island, China
| journal = ZooKeys
| year = 2012
| volume = 190
| issue =
| pages = 21--31
| pmid =
| publisher = Pensoft Publishers
| doi = 10.3897/zookeys.190.2924
| url = http://www.pensoft.net/journals/zookeys/article/2924/abstract
| pmc =
| accessdate = 2024-12-23

}} Versioned wiki page: 2012-05-04, version 24244, https://species-id.net/w/index.php?title=Chrysso_bimaculata&oldid=24244 , contributors (alphabetical order): Pensoft Publishers.</ref>

See also the citation download page at the journal.


Taxonavigation

Ordo: Araneae
Familia: Theridiidae
Genus: Chrysso

Name

Chrysso bimaculata Yoshida, 1998Wikispecies linkPensoft Profile

  • Chrysso bimaculata Yoshida, 1998: 105, f. 1–6; Yoshida 2003: 125, f. 330–335; Yoshida 2009[1]: 378, f. 203–204.

Material examined

CHINA, Hainan Island: 1 ♂, 1 ♀, Jianfengling Mountain, 31 May 2009, C. Zhang leg.; 1 ♀, Bawangling Mountain, 6 November 2008, G.X. Han leg.; 1 ♀, Bawangling Mountain, 25 May 2009, C. Zhang leg.; 5 ♀, Limu Mountain, 29 August 2007, G.X. Han leg.; 1 ♂, 3 ♀, Limu Mountain, 21 November 2008, G.X. Han leg.

Description

Male (one specimen from Jianfengling Mountain) total length 1.40: cephalothorax 0.59 long, 0.54 wide; abdomen 0.81 long, 0.59 wide, 0.54 high. Carapace longer than wide, yellowish. Cervical groove yellowish. Median furrow yellowish and almost triangle. Each eye with a red ring. AER recurved and PER procurved from dorsal view (Fig. 13). Diameters of eyes: AME 0.08, ALE 0.07, PME 0.07, PLE 0.07. Interdistances of eyes: AME–AME 0.08, AME–ALE 0.07, ALE–ALE 0.34, PME–PME 0.08, PME–PLE 0.06, PLE–PLE 0.36, ALE and PLE closed to each other. MOA long 0.18, front width 0.18, back width 0.17. Clypeus 0.16 high and furnished with few short gray setae. Chelicerae armed with sparse black setae, promargin with 2 teeth. Endites, labium and sternum yellowish. Anterior margin of endites armed with gray scopula. Sternum furnished with sparse black setae. Legs yellow, the end of tibia yellow brown. Measurements of legs: leg I 5.10 (1.44, 0.36, 1.22, 1.58, 0.50), II 3.07 (0.99, 0.32, 0.63, 0.77, 0.36), III 1.81 (0.50, 0.23, 0.45, 0.36, 0.27), IV 3.20 (1.17, 0.27, 0.63, 0.77, 0.36). Leg formula: 1423.
Abdomen oval, armed with gray setae. Dorsum yellowish, posterior part with two pairs of white patches, lateral part armed with three pairs of black patches and several black stripes (Fig. 13). Venter yellowish. Spinnerets yellowish.
Embolus of male palp small, thin and wind; conductor wind, membranous; median apophysis big, posterior part with a small tuber from prolateral view (Figs 14–15).
Female (one specimen from Jianfengling Mountain) total length 1.80: cephalothorax 0.63 long, 0.54 wide; abdomen 1.08 long, 0.95 wide, 1.04 high. Diameters of eyes: AME 0.08, ALE 0.07, PME 0.07, PLE 0.07. Interdistances of eyes: AME–AME 0.09, AME–ALE 0.03, ALE–ALE 0.35, PME–PME 0.10, PME–PLE 0.07, PLE–PLE 0.38, ALE and PLE closed to each other. MOA long 0.17, front width 0.17, back width 0.20. Clypeus 0.16 high. Measurements of legs: leg I 4.73 (1.35, 0.27, 1.17, 1.44, 0.50), II 2.81 (0.90, 0.23, 0.59, 0.77, 0.32), III 1.95 (0.63, 0.18, 0.32, 0.50, 0.32), IV 2.94 (0.95, 0.27, 0.59, 0.77, 0.36). Leg formula: 1423. Other characters as in holotype.
Female genitalia lightly sclerotized, median part with a circular atrium; spermathecae oval; the copulatory ducts very short (Figs 16–17).

Variation

The amount of white patches and black patches of dorsal abdomen variated from two pairs to three pairs. Males total body length of some species examined from 1.40–1.55, females total length from 1.68–1.82.

Distribution

China (Hainan), Japan.

Taxon Treatment

  • Zhang, B; Zhang, F; 2012: Two new spider species of the genus Chrysso O. P.-Cambridge, 1882 (Araneae, Theridiidae) in Hainan Island, China ZooKeys, 190: 21-31. doi

Other References

  1. Yoshida H (2009) Uloboridae, Theridiidae, Ctenidae. In: Ono H (Ed). The Spiders of Japan with keys to the families and genera and illustrations of the species. Tokai University Press, Kanagawa, 142–147, 356–393: 467-468.

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