Thomisidae  Sundevall, 1833 / Heriaeus  Simon, 1875   12 species

Heriaeus horridus  Tystshenko, 1965

Description
Male

Ventral apophysis wide and with tip bent medially. Retrolateral apophysis axe-shaped, blunt, in middle with heel-like semi-apophysis. Groove of tegulum flat, not directly at the edge of tegulum. Inner edge of pars pendula slightly sclerotized. Tip of embolus large, bent back dorsad.

Prosoma length: 1.5 mm, prosoma width: 1.5 mm.

Female

Epigyne with oval groove, not a protruding hood. Deep wrinkle behind groove, receptacles standing laterally to it.

Prosoma length: 2.7-2.9 mm, prosoma width: 2.6-2.7 mm.

Distribution
  Presence
  No data
Global distribution (WSC 2021): Ukraine, Russia (Europe to West Siberia), Central Asia
Figures
Distribution List
Russia, Eastern   (no references) ||| Russia, Southern   (Otto, 2020) ||| Ukraine   (Nadolny, 2020) |||
References

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

Marusik Y M, Logunov D V (1990) The crab spiders of Middle Asia, USSR (Aranei, Thomisidae). 1. Descriptions and notes on distribution of some species. Korean Arachnology 6: 31-62 pdf

Marusik Y M, Logunov D V (1995a) The crab spiders of Middle Asia (Aranei, Thomisidae), 2. Beiträge zur Araneologie 4: 133-175 pdf

Nadolny A A (2020) [New data on the species composition of spiders (Arachnida: Aranei) in Tarkhankut Peninsula, Crimea]. Proceedings of T. I. Vyazemsky Karadag scientific station - Natural reserve of the RAS 3(15): 29-60 pdf

Otto S (2020) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 03.2020. Internet: caucasus-spiders.info.

Polchaninova N, Gnelitsa V, Terekhova V, Iosypchuk A (2021) New and rare spider species (Arachnida, Araneae) from Ukraine. Zoodiversity 55: 95-112 pdf

Tyschchenko V P (1965) A new genus and new species of spiders (Aranei) from Kazakhstan. Entomologicheskoe Obozrenie 44: 696-704 pdf

WSC (2021) World Spider Catalog. Version 21.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (03.01.2021) doi: 10.24436/2 pdf

Updates
02-05-2021 Image insert
01-05-2021 Image insert
10-01-2021 Distribution insert Detail
14-04-2018 Image insert
06-08-2013 Image insert