Cybaeidae  Banks, 1892 / Mastigusa  Menge, 1854   4 species

Mastigusa macrophthalma (Kulczyński, 1897)

Description
Male

Conductor with slender terminal part, very long and uniformly bent.
Prosoma light yellow-brown. Sternum yellow-brown. Legs yellow-brown. Opisthosoma light yellowish, sometimes with vague brownish or blackish pattern.

Body length male: 3.0-3.5 mm
Female

Epigyne posteriorly with bright median field, entrance ducts very thin and densely convoluted. 

Body length female: 3.0-3.5 mm
Distribution
  Presence
  No data
Global distribution (WSC 2026): Slovenia, Croatia, Bosnia and Herzegovina, Bulgaria
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Austria  Removed (Castellucci et al., 2024) ||| Belgium  Removed (Bosmans & Van Keer, 2017; Wunderlich, 1986) ||| Bosnia and Herzegovina   (Komnenov, 2010; Castellucci et al., 2024) ||| Bulgaria   (Blagoev et al., 2018; Indzhov et al., 2025) ||| Croatia   (Milosevic, 2002; Castellucci et al., 2024) ||| France  Removed (Wunderlich, 1986) ||| Georgia  Removed (Otto, 2022; Seropian et al., 2023b; Castellucci et al., 2024) ||| Hungary  Removed (Samu & Szinetár, 1999; Castellucci et al., 2024) ||| Netherlands  Removed (Wunderlich, 1986) ||| Norway  Removed (Wunderlich, 1986; Aakra & Hauge, 2003) ||| Poland  Removed (Wunderlich, 1986; Rozwałka & Stanska, 2008) ||| Romania  Removed (Castellucci et al., 2024) ||| Serbia  Removed (Castellucci et al., 2024) ||| Slovakia  Removed (Castellucci et al., 2024) ||| Slovenia   (Kostanjšek & Kuntner, 2015; Castellucci et al., 2024) ||| United Kingdom  Removed (Wunderlich, 1986; Lavery, 2019) |||
References

Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 pdf

Blagoev G, Deltshev C, Lazarov S, Naumova M (2018) The spiders (Araneae) of Bulgaria. Version: August 2018. National Museum of Natural History, Bulgarian Academy of Sciences. Online at http://www.nmnhs.com/spiders-bulgaria/ (accessed on 10.9.2018) pdf

Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69 pdf

Castellucci F, Luchetti A, Scharff N (2024) Enigmatic and extravagant genitalia in the spider genus Mastigusa (Araneae, Cybaeidae) – a taxonomical revision. Invertebrate Systematics 38(IS23047): 1-27 pdf

Indzhov S, Haynadzhieva V, Střeštík V, Dimitrov Dr, Dimitrov Di (2025) We have two of them: a review of the genus Mastigusa (Araneae: Cybaeidae) in Bulgaria. Zootaxa 5711: 579-588 pdf

Komnenov M (2010) Checklist of spiders (Araneae) of Bosnia and Herzegovina. Uzizaž i Biospeld 5(2009): 52-69 pdf

Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91 pdf

Lavery A (2019) A revised checklist of the spiders of Great Britain and Ireland. Arachnology 18: 196-212 pdf

Loksa I (1969) Pokok I-Araneae I. Fauna Hungariae 97: 1-133 pdf

Milosevic B (2002) Aranea – Popis vrsta – Checklist. Hrvatsko entomološko društvo – Inventar entomofaune Hrvatske [Aranea – List of species – Checklist. Croatian Entomological Society – Inventory of Croatian entomofauna]. pdf

Otto S (2022) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 02.2022. Internet: caucasus-spiders.info.

Rozwałka R, Stanska M (2008) Check-list of spiders (Araneae) of Poland. 1. December 2008. online at http://www.arachnologia.edu.pl/en/species/8-spiders-of-poland.html pdf

Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184 pdf

Seropian A, Bulbulashvili N, Otto S, Krammer H-J, Kachlishvili N, Datunashvili A (2023b) Picking pearls from the Silk Road: insights into the spider (Arachnida, Araneae) diversity in Georgia from the Caucasus barcode of life project. Part II. Caucasiana 2: 231-297 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

Wunderlich J (1986) Spinnenfauna gestern und heute: Fossile Spinnen in Bernstein und ihre heute lebenden Verwandten. Quelle & Meyer, Wiesbaden. 283 pp. pdf

Updates
23-10-2025 Image insert
21-10-2025 Distribution update Detail
11-04-2024 Image insert
29-03-2024 Distribution update Detail
13-12-2023 Distribution update Detail
11-06-2023 Distribution update Detail
29-07-2020 Distribution update Detail
08-06-2020 Distribution update Detail
01-05-2020 Distribution update Detail
24-09-2018 Image insert
26-02-2014 Distribution update Detail