Functions:   Add to compare list  Show compare list  Edit content
Resources:
Tetragnathidae  Menge, 1866 / Tetragnatha  Latreille, 1804   19 species

Tetragnatha isidis (Simon, 1880)

WSC LSID urn:lsid:nmbe.ch:spidersp:014209

Key to genera | Key to species

Description
Male

Opisthosoma strongly tail-shaped elongated beyond the spinnerets.

Female

Opisthosoma strongly tail-shaped elongated beyond the spinnerets. Epigyne: flat genital lobe distinctly longer than wide.

Body length female: 14.1 mm
Additional information

See also comment by IJland & van Helsdingen (2011).

Distribution
  Presence
  No data
Distribution comment: Records from Ukraine, European Russia and the Caucasus are evaluated as T. reimoseri, according to Efimik & Tiunov (2025). Croatia and Serbia should be confirmed.
Global distribution (WSC 2026): Southern Europe, Libya, Egypt, Sudan, Uganda, South Africa, Iran, India
Figures
species

female Genital lobe
(Wunderlich 2011a)

species

female Epigyne
(Morano 2020)

species

female Vulva, dorsal view
(Morano 2020)

species

female Chelicera, interior view
(Morano 2020)

species

female Opisthosoma, lateral view
(Wunderlich 2011a)

species

female Habitus, lateral view
(Morano 2020)

species

Eyes, frontal view
(Morano 2020)

Distribution List
Azerbaijan  Removed (Otto, 2022; Efimik & Tiunov, 2025) ||| Croatia   (Milosevic, 2002) ||| Egypt   (El-Hennawy, 2017a) ||| France   (Le Peru, 2007) ||| Libya   (Elkrew et al., 2024) ||| Moldova  Removed (Vasiliev & Mikhailov, 2023) ||| Romania  Removed (Weiss & Petrișor, 1999) ||| Russia, Central  Removed (Efimik & Tiunov, 2025) ||| Russia, Southern  Removed (Otto, 2022; Ponomarev, 2022; Efimik & Tiunov, 2025) ||| Serbia   (Deltshev et al., 2003b) ||| Spain   (Branco et al., 2019) ||| Spain / Balearic Islands   (Branco et al., 2019) ||| Ukraine  Removed (Polchaninova & Prokopenko, 2019; Efimik & Tiunov, 2025) |||
References

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 pdf

Deltshev C D, Ćurčić B P M, Blagoev GA (2003b) The spiders of Serbia. Inst. Zoology, Fac. Biology, Belgrade & Inst. Zoology, Bulg. Acad. Sci., Sofia. 832 pp.

Efimik V E, Tiunov A V (2025) Tetragnatha reimoseri (Roșca, 1939) (Aranei: Tetragnathidae) in the Ural and some territories of North Eurasia. Caucasian Entomological Bulletin 21: 101-106 pdf

El-Hennawy H K (2017a) A list of Egyptian spiders (revised in 2017). Serket 15: 167-183 pdf

Elkrew H, Hamza A, Ghana S, Shaibi T, Swehli A I, Elmareme H, Ahmad A (2024) Checklist of the spiders (Araneae) of Libya. Pakistan Journal of Life and Social Sciences 22: 19346-19369 pdf

IJland S, Helsdingen P J van (2011) Tetragnatha reimoseri (Rosca, 1938) recorded from Italy for the first time (Araneae, Tetragnathidae). Nieuwsbrief SPINED 30: 22-24 pdf

Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468 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

Morano E (2020) La familia Tetragnathidae Menge, 1866 (Araneae) en el área ibero-balear. Revista Ibérica de Aracnología 37: 101-136 pdf

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

Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App pdf

Ponomarev A V (2022) Spiders (Arachnida: Araneae) of the southeast of the Russian Plain: catalogue, the fauna specific features. SSC RAS Publishers, Rostov-on-Don, 640 pp. pdf

Vasiliev A I, Mikhailov K G (2023) Annotated checklist of spiders (Araneae) of the Republic of Moldova. Invertebrate Zoology 20: 307-342 pdf

Weiss I, Petrișor A (1999) List of the spiders (Arachnida: Araneae) from Romania. Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa” 41: 79-107 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.5.2026) doi: 10.24436/2 pdf

Wunderlich J (2011a) Extant and fossil spiders (Araneae). Heutige und fossile Spinnen. Beiträge zur Araneologie 6: 1-640 pdf

Updates
12-09-2025 Distribution update Detail
08-06-2025 Distribution update Detail
26-03-2024 Distribution update Detail
13-10-2023 Distribution insert Detail
27-01-2023 Distribution update Detail
06-01-2021 Image insert
21-10-2015 Distribution update Detail
15-01-2015 Image insert
01-12-2013 Distribution update Detail