Macrothelidae  Simon, 1892 / Macrothele  Ausserer, 1871   3 species

Macrothele calpeiana  (Walckenaer, 1805)

Description

Bulbus of male palp simple. Embolus long, filiform. Vulva with a pair of long coiled spermathecae. Prosoma dark red-brown in preserved specimens (black in living specimens), with dark striae; fovea a circular pit. Sternum oval, with 6 oval sigilla. Opisthosoma dark grey in preserved specimens (in living specimens purple/violet), dorsally with 3 pairs of impressed dots. Coxa I with highly modified paddle-shaped spines. Distal part of chelicerae covered with long black hairs. 4 Spinnerets, posterior laterals long, three-segmented

Body length male: 20.3-26.8 mm
Body length female: 28.2-34.7 mm
Additional information

In oakwoods, but also common in secondary habitats and anthropogenous habitats such as dumps.

Since a few decades, this species shows some spreading tendencies within Europe. Additionally, it is spread within Europe with potted old olive trees but cannot establish sustainable populations. Nevertheless, it shall not be listed as alien or invasive because it is native for Europe.

Distribution
  Presence
  Not established
  No data
Global distribution (WSC 2019): Spain, Italy, North Africa
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
References

Hänggi A, Stäubli A (2012) Nachträge zum „Katalog der schweizerischen Spinnen“: 4. Neunachweise von 2002 bis 2011. Arachnologische Mitteilungen 44: 59-76

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org

Helsdingen P J van (2015b) Binnenwandelende exoten. Nieuwsbrief SPINED 35: 33-34

Pantini P, Isaia M (2018) Checklist of the Italian spiders (version June 2018). online at http://www.museoscienzebergamo.it/web/index.php?option=com_content&view=category&layout=blog&id=96&Itemid=94 pdf

Snazell R, Allison R (1989) The genus Macrothele Ausserer (Araneae, Hexathelidae) in Europe. Bull Br arachnol Soc 8: 65-72

Van Keer K (2010) An update on the verified reports of imported spiders (Araneae) from Belgium. Nieuwsbr Belg Arachnol Ver 25: 210-214

World Spider Catalog (2019) World Spider Catalog, version 20.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.01.2019) doi: 10.24436/2

Updates
22-06-2016 Distribution update Old value
22-12-2015 Distribution update Old value
01-10-2015 Distribution update Old value