Published December 31, 2016 | Version v1
Taxonomic treatment Open

Meioneta mingshengzhui Barrion

Description

Meioneta mingshengzhui Barrion, Barrion- Dupo & Heong, new species [Figure 11 A-D]

FEMALE. Holotype female, total length 1.50mm. Cephalothorax 0.60mm long, width 0.43mm, height 0.26mm.Abdomen length 0.97mm, width 0.60mm, height 0.60mm.Parataype female, total length 1.10mm to 1.60mm.

Carapace. Gray brown, 1.39 x longer than wide. Cephalic approximately 0.6 x width of thoracic area. AME area black. Pedipalps dark brown. Fovea distinctly Y-shaped. Chelicerae yellow, twice longer than wide, and each bears four promarginal teeth. Sternum brown except darker margins, almost as long as wide.

Eyes. PER slightly longer than AER (0.26mm: 0.23mm). Eye diameter (mm): AME (0.07)> PME (0.063)> ALE (0.06)> PLE (0.05). Clypeus height relatively broad, 1.43 x diameter AME.

Legs. Uniformly yellow, femora I and II slightly sigmoid viewed ventrally and gradually swollen subbasally. Tibia II as long as metatarsus II and IV. Leg formula 1423.

Abdomen. Globose, gray with a dull white cross to transverse H-shape band dorsally and extended obliquely posterolaterally. Venter dull whitish gray except brown epigynum.

Epigynum swollen out underneath abdomen by approximately 1.28 x AME diameter. Median septum flask-like, ratio of a/b = 0.76, anterior width 2 x PME diameter.

MALE. Unknown.

Material Examined. Holotype female (coll. no. S0 43), CHINA, Hainan Island, Panja Town, Songtao Reservoir, 0 3 April 2011, AT Barrion, JLA Catindig, SC Villareal; Paratypes: 2 females (coll. nos. 48 & 51), same data as holotype.

Diagnostic Features. Meioneta mingshengzhui Barrion, Barrion-Dupo & Heong, new species is similar to M. nigra Oi, 1960 but easily separated from the latter in the (1) dull white cross to transverse Hshape abdominal band,(2) tibia II as long as metatarsus II and IV, and (3) the widely truncate central division of the epigynum.

Etymology. Patronym, after Dr. Zhu Mingsheng in recognition of his systematic works on the Theridiidae of China.

Notes

Published as part of Alberto T. Barrion, Aimee Lynn A. Barrion-Dupo, Josie Lynn A. Catindig, Sylvia C. Villareal, Ducheng Cai, Qianhua Yuan & Kong Luen Heong, 2016, NEW SPECIES OF SPIDERS (ARANEAE) FROM HAINAN ISLAND, CHINA, pp. 1-103 in UPLB Museum Publications in Natural History 3 on pages 11-12, DOI: 10.5281/zenodo.269136

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Linked records

Additional details

Related works

Cites
Figure: 10.5281/zenodo.269146 (DOI)
Is part of
Journal article: 10.5281/zenodo.269136 (DOI)
Journal article: http://publication.plazi.org/id/FFB7FFB42940FFE2FFD6E610FFCD4D5D (URL)

Biodiversity

Scientific name authorship
Barrion
Kingdom
Animalia
Phylum
Arthropoda
Order
Araneae
Family
Linyphiidae
Genus
Meioneta
Species
mingshengzhui
Taxon rank
species