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Linyphiidae  Blackwall, 1859 / Centromerus  Dahl, 1886   68 species

Centromerus ponsi  Lissner, 2016

Description
Male

Pale species. Tibial spines 2221, no dorsal spine on Metatarsus I and II, T Mt I 0.30, T Mt IV absent. Serrated paracymbium, high number of teeth on paracymbium (ca. 24, versus 13-15 longer ones in C. acutidentatus and C. obenbergeri). Eyes fairly small and reduced compared to epigean Centromerus species. Size of eyes variable.

Body length male: 1.79 mm
Female

Pale species. Tibial spines 2221, no dorsal spine on Metatarsus I and II, T Mt I 0.34, T Mt IV absent. Epigyne and vulva 1.6 times wider than long. Vulva resembles those of C. acutidentatus and C. obenbergeri, but with different proportions and curvature of ducts, in particular the lateral ones. Eyes fairly small and reduced compared to epigean Centromerus species. Size of eyes variable.

Body length female: 1.37-2.03 mm
Additional information

Lives in caves. Previous records of C. sylvaticus from the Balearic Isles belong to this species.

Frequency: Rarely found

Distribution
  Presence
  No data
Global distribution (WSC 2021): Spain (Balearic Is.)
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Spain / Balearic Islands   (Branco et al., 2019) |||
References

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 pdf

Lissner J (2016a) Notes on the Majorcan Centromerus Dahl (Araneae, Linyphiidae) with the description of a new cave species (Balearic Islands, Spain). Revista Ibérica de Aracnología 28: 21-24 pdf

WSC (2021) World Spider Catalog. Version 22.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (29.05.2021) doi: 10.24436/2 pdf

Updates
09-12-2016 Datasheet update Detail
09-12-2016 Distribution update Detail
09-12-2016 Image insert