Ischnocolus valentinus (Dufour, 1820)
Description
Male
Body uniform blackish brown. Chelicerae apically with 2 or 3 small spines on interior side. Anterior tarsi without spines, with scopula, posterior metatarsi with spines, tarsal claws pectinated, with 4 external teeth and 7 or 8 internal denticles, leg IV the longest. Bulb oval, embolus straight.
Female
Basic colour brown with long, shaggy, dirty, yellow hairs. Opisthosoma darkish with indistinct pattern. Epigyne: seminal receptacles broad and well-rounded with bowed sides.
Additional information
Mediterranean habitat with sparse oaks and bushes. Under large, rather flattish stones. Altitude 100-200 m above sea level.
Distribution
Figures
Pedipalp
(Decae unpubl.)
Pedipalp, retrolateral view
(Zonstein 2018)
Pedipalp, ventral view
(Tamajón Gómez et al. 2020)
Pedipalp, prolateral view
(Korba et al. 2022)
Pedipalp, retrolateral view
(Korba et al. 2022)
Pedipalp, ventral view
(Korba et al. 2022)
Pedipalp, retrolateral view
(Hernández-Corral et al. 2025)
Pedipalp, ventral view
(Hernández-Corral et al. 2025)
Bulbus
(Decae unpubl.)
Bulbus
(Decae unpubl.)
Bulbus and embolus, retrolateral view
(Zonstein 2018)
Bulbus and embolus, ventral view
(Zonstein 2018)
Bulbus, dorsal view
(Korba et al. 2022)
Bulbus, prolateral view
(Korba et al. 2022)
Bulbus, prolateral-ventral view
(Korba et al. 2022)
Bulbus, retrolateral view
(Korba et al. 2022)
Bulbus, ventral view
(Korba et al. 2022)
Tip of embolus, retrolateral view
(Hernández-Corral et al. 2025)
Labium, ventral view
(Hernández-Corral et al. 2025)
Tibia I
(Decae unpubl.)
Tibia I
(Decae unpubl.)
Tibia I, prolateral view
(Korba et al. 2022)
Tibia I, retrolateral view
(Korba et al. 2022)
Tibia I, ventral view
(Korba et al. 2022)
Metatarsus and tarsus I, ventral view
(Hernández-Corral et al. 2025)
Habitus, dorsal view
(Hernández-Corral et al. 2025)
Habitus, ventral view
(Hernández-Corral et al. 2025)
Spermathecae, dorsal view
(Korba et al. 2022)
Spermathecae, dorsal view
(Lecigne et al. 2025)
Eyes, dorsal view
(Decae unpubl.)
Labium
(Lecigne et al. 2025)
Distribution List
References
Benhacene R, Adjami A, Hadjeb A, Kermiche K, Ouakid M L (2023) Bibliographic checklist of the Algerian spider fauna (Araneae). Zootaxa 5352: 301-357 
Benhalima S, Bosmans R (2024) First historical checklist of spiders (Arachnida: Araneae) from Morocco, between 1840–2024. Zootaxa 5555: 407-535
Bosmans R (2003) A checklist of the spiders of Tunisia, with description of a new species of Palliduphantes Saaristo & Tanasevitch (Araneae: Linyphiidae). Kaupia - Darmstädter Beiträge zur Naturgeschichte 12: 89-109
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254
Decae A (unpubl.)
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
Guadanucci J P L & Wendt I (2014) Revision of the spider genus Ischnocolus Ausserer, 1871 (Mygalomorphae: Theraphosidae: Ischnocolinae). Journal of Natural History 48: 387-402
Hernández-Corral J, Barrientos J A, García-Teba J P (2025) Nuevos datos sobre las arañas (Arachnida: Araneae) del Parc Natural del Carrascal de la Font Roja (Alicante, España). Revista Ibérica de Aracnología 46: 51-75
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
Korba J, Opatova V, Calatayud-Mascarell A, Enguídanos A, Bellvert A, Adrián S, Sánchez-Vialas A, Arnedo M A (2022) Systematics and phylogeography of western Mediterranean tarantulas (Araneae: Theraphosidae). Zoological Journal of the Linnean Society 196: 845-884
Lecigne S, Moutaouakil S, Lips J (2025) Contribution to the knowledge of the spider fauna of Morocco (Arachnida: Araneae) – second note. On new species and new records from caves and miscellaneous terrestrial ecosystems. Journal of the Belgian Arachnological Society 40(1, supplement): 1-184
Tamajón Gómez R, Pertegal Pérez C, Rodríguez Castilla G (2020) Primeros registros de Ischnocolus valentinus (Dufour, 1820) (Araneae: Theraphosidae) en la provincia de Córdoba (Andalucía, España). Revista Ibérica de Aracnología 36: 165-166
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2
Zonstein S L (2018) Complementary data on the genus Ischnocolus (Araneae: Theraphosidae). Israel Journal of Entomology 48: 105-118
Updates
| 27-07-2025 | Image insert | |
| 08-06-2025 | Distribution update | Detail |
| 15-05-2025 | Image insert | |
| 15-05-2025 | Distribution update | Detail |
| 09-10-2022 | Image insert | |
| 02-08-2021 | Distribution update | Detail |
| 05-07-2020 | Image insert | |
| 16-01-2019 | Image insert | |
| 26-07-2016 | Datasheet update | Detail |
| 05-08-2014 | Distribution update | Detail |