Caracladus avicula (L. Koch, 1869)
Description
Epigyne with trapezoid median plate, anteriorly wider than posteriorly. Prosoma yellow-blackish to red-brown, with dark pattern, that can also be missing. Male prosoma with bird head-like eye stalk. Legs yellow-brownish. Opisthosoma blackish.
Body length male: 2.2 mmBody length female: 1.8-2.2 mm
Additional information
in moss and litter of subalpine coniferous forests
Character states from linyphiid key
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp
(Thaler 1969)
Pedipalp, retrolateral view
(Frick & Muff 2009)
Pedipalp, prolateral view
(Frick & Muff 2009)
Embolic division, prolateral view
(Frick & Muff 2009)
Palpal tibia, dorsal view
(Frick & Muff 2009)
Tibial apophysis
(Thaler 1969)
Prosoma, lateral view
(Thaler 1969)
Prosoma, dorsal view
(Frick & Muff 2009)
Prosoma, frontal view
(Frick & Muff 2009)
Prosoma, lateral view
(Frick & Muff 2009)
Epigyne/vulva
(Thaler 1972a)
Epigyne, ventral view
(Frick & Muff 2009)
Vulva, ventral view
(Frick & Muff 2009)
Vulva, dorsal view
(Frick & Muff 2009)
Tibia I
(Frick & Muff 2009)
Distribution List
"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.
References
Blick T, Finch O-D, Harms K H, Kiechle J, Kielhorn K-H , Kreuels M, Malten A, Martin D, Muster C, Nährig D, Platen R, Rödel I, Scheidler M, Staudt A, Stumpf H, Tolke D (2016) Rote Liste und Gesamtartenliste der Spinnen (Arachnida: Araneae) Deutschlands. 3. Fassung, Stand April 2008, einzelne Änderungen und Nachträge bis August 2015. Naturschutz und Biologische Vielfalt 70/4: 383-510 
Frick H, Muff P (2009) Revision of the genus Caracladus with the description of Caracladus zamoniensis spec. nov. (Araneae, Linyphiidae, Erigoninae). Zootaxa 1982: 1-37
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
Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468
Maurer R, Hänggi A (1990) Katalog der schweizerischen Spinnen. Documenta Faunistica Helvetiae 12
Thaler K (1969) Über einige wenig bekannte Zwergspinnen aus Tirol (Arachn., Araneae, Erigonidae). Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 57: 195-219
Thaler K (1972a) Über einige wenig bekannte Zwergspinnen aus den Alpen, II (Arachn., Araneae, Erigonidae). Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 59: 29-50
Thaler K (1999b) Beiträge zur Spinnenfauna von Nordtirol - 6. Linyphiidae 2: Erigoninae (sensu Wiehle) (Arachnida: Araneida). Veröffentlichungen des Tiroler Landesmuseums Ferdinandeum 79: 215-264
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
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2