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Thomisidae  Sundevall, 1833 / Heriaeus  Simon, 1875   15 species

Heriaeus orientalis Simon, 1918

WSC LSID urn:lsid:nmbe.ch:spidersp:030445

Key to genera | Key to species

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
species

male Pedipalp, retrolateral view
(Loerbroks 1983)

species

male Pedipalp, ventral view
(Loerbroks 1983)

species

male Pedipalp, ventral view
(Bosmans & Gavalas 2023)

species

female Epigyne
(Loerbroks 1983)

species

female Epigyne
(Bosmans & Gavalas 2023)

species

female Vulva
(Loerbroks 1983)

Distribution List
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