Thomisidae  Sundevall, 1833 / Heriaeus  Simon, 1875   15 species

Heriaeus orientalis Simon, 1918

Description
Male

Habitus resembles H. pilosus, but larger. Opisthosoma oval, slightly longer than wide. Palp: Very short, thorn-like process at base of ventral apophysis. Leading ditch distinctly separated from tegulum. Embolus thin, lacking apical sclerite.

Prosoma length: 2.0-2.1 mm, prosoma width: 1.8-2.0 mm.

Body length male: 4.0-5.0 mm
Female

Opisthosoma almost oval, not dilatating. Epigyne: hood small, inconspicuous, strongly sclerotized. Ducts not folded but convoluted.

Prosoma length: 3.0-3.1 mm, prosoma width: 2.9-3.0 mm.

Body length female: 6.0-8.0 mm
Distribution
  Presence
  No data
Global distribution (WSC 2026): Italy, Greece, Turkey, Ukraine
Figures
Distribution List

"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.

Greece   (Bosmans & Chatzaki, 2005) ||| Italy   (Isaia et al., 2025) ||| Italy / Sicily   (Isaia et al., 2025) ||| Turkey (Asia)   (Danışman et al., 2025a) ||| Turkey (Europe)   (Demircan Aksan & Topçu, 2022c) ||| Ukraine   (Kovblyuk & Kastrygina, 2015b) |||
References

Bosmans R, Chatzaki M (2005) A catalogue of the spiders of Greece – a critical review of all spider species cited from Greece with their localities. Nieuwsbrief van de Belgische arachnologische Vereniging 20 (2, suppl.): 1-124 pdf

Bosmans R, Gavalas I (2023) The spiders (Araneae) of the tiny Greek island Iraklia (Kiklades), with the descriptions of 5 new Harpactea species (Araneae: Dysderidae), 3 species new to Europe and 8 new to Greece. Parnassiana Archives 11 (Suppl. 1): 1-91 pdf

Danışman T, Kunt K B, Özkütük R S, Coşar İ (2025a) The checklist of the spiders of Turkey. Version 2025 [last updated 01 December 2025], online at http://www.spidersofturkey.info pdf

Demircan Aksan N, Topçu A (2022c) A preliminary checklist of the spider fauna of European Türkiye. Serket 19: 39-56 pdf

Isaia M, Tolve M, Pantini P (2025) Araneae.it: 2.0: the new updated version of the digital catalog of the Italian spiders and other arachnids (Arachnida: Araneae, Opiliones, Scorpiones, Pseudoscorpiones, Palpigradi, Solifugae). Fragmenta Entomologica 57: 197-204 pdf

Kovblyuk M M, Kastrygina Z A (2015b) Updated catalogue of the spiders (Arachnida, Aranei) of the Crimea. Ukainska Entomofaunistyka 6(2): 1-81 pdf

Loerbroks A (1983) Revision der Krabbenspinnen-Gattung Heriaeus Simon (Arachnida, Araneae, Thomisidae). Verhandlungen des Naturwissenschaftlichen Vereins in Hamburg (NF) 26: 85-139 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2 pdf

Updates
04-06-2025 Distribution update Detail
06-02-2024 Image insert
14-04-2018 Image insert
08-07-2014 Image insert