Silhouettella loricatula (Roewer, 1942)
Description
Male
Palp: patella and tibia subequal, bulb pear-shaped, embolus as long as lobe, straight, curved at the top. Prosoma 0.7-0.9 mm long. Characters as in female, but tibia I and II with 4 pairs of ventrolateral spines. Body colour carmine-red. Prosoma dorsally shiny, laterally granulated. Sternum granulated with smooth areas near coxae. Legs lighter than body colour. Opisthosoma dorsally shining and smooth, completely covered by large scutum, with few hairs. Ventral scutum smaller than dorsal scutum, with small marked off part anterior of spinnerets.
Body length male: 1.5-2 mmFemale
Epigynal region not sclerotised. Prosoma 0.7-0.9 mm long. Eyes: ocular area as wide as the front of prosoma, median eyes smaller than laterals. Legs: tibia I with 3 pairs of ventrolateral spines, metatarsus I with 2 pairs of ventral spines.
Body length female: 1.5-2 mmAdditional information
In garrigue, under stones and in litter, biology mostly unknown.
Since a few decades, this species shows some spreading tendencies within Europe. Nevertheless, it shall not be listed as alien or invasive because it is native for Europe.
Frequency: Very rare
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp
(Wiehle 1953)
Pedipalp
(Pesarini unpubl.)
Pedipalp, prolateral view
(García & Suárez 2019)
Habitus, dorsal view
(Fusco et al. 2024)
Habitus, ventral view
(Fusco et al. 2024)
Epigyne
(Lecigne 2018b)
Vulva
(Wiehle 1953)
Eyes, dorsal view
(Wiehle 1953)
Leg
(Wiehle 1953)
Opisthosoma, lateral view
(Heimer & Nentwig 1991)
Habitus, dorsal view
(Wiehle 1953)
Habitus, lateral view
(Wiehle 1953)
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
Benhacene R, Adjami A, Hadjeb A, Kermiche K, Ouakid M L (2023) Bibliographic checklist of the Algerian spider fauna (Araneae). Zootaxa 5352: 301-357 
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)
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
Bosmans R, Van Keer J, Russell-Smith A, Kronestedt T, Alderweireldt M, Bosselaers J, De Koninck H (2013) Spiders of Crete (Araneae). A catalogue of all currently known species from the Greek island of Crete. Nieuwsbrief van de Belgische Arachnologische Vereniging 28 (Suppl. 1): 1-147
Bosmans R. (unpubl.) Provisional list of spiders of North Africa. Database excerpt Aug. 2019
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254
Danışman T, Kunt K B, Özkütük R S, Coşar İ (2024a) The checklist of the spiders of Turkey. Version 2024 [last updated 01 January 2024], online at http://www.spidersofturkey.info
Fusco T, Fattorini S, Fortini L, Ruzzier E, Di Giulio A (2024) Ground spiders (Chelicerata, Araneae) of an urban green space: intensive sampling in a protected area of Rome (Italy) reveals a high diversity and new records to the Italian territory. Biodiversity Data Journal 12(e122896): 1-181
García J, Suárez D (2019) A spider survey in a protected area of La Palma (Canary Islands, Spain) reveals five new records for the island. Arachnologische Mitteilungen 57: 69-76
Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin
Le Peru B (2011) The spiders of Europe, a synthesis of data: Volume 1 Atypidae to Theridiidae. Mémoires de la Société Linnéenne de Lyon 2: 1-522
Lecigne S (2018b) Récits de chasses aranéologiques récentes dans plusieurs départements de France. Redécouverte de Philodromus buchari Kubcová, 2004 (Araneae: Philodromidae) et confirmation de la présence de Theridion harmsi Wunderlich, 2011 (Araneae: Theridiidae). Nieuwsbrief van de Belgische Arachnologische Vereniging 33: 59-99
Naumova M (2020) Descriptions of two new spider species, with new data on the Albanian arachnofauna (Arachnida: Araneae, Opiliones, Pseudoscorpiones and Scorpiones). Acta Zoologica Bulgarica 72: 3-12
Otto S (2022) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 02.2022. Internet: caucasus-spiders.info.
Pantini P, Isaia M (2019) Araneae.it: the online catalog of Italian spiders, with addenda on other arachnid orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). Fragmenta Entomologica 51: 127-152
Pesarini C (unpubl.)
Pfliegler W A, Schönhofer A, Niedbała W, Vella P, Sciberras A, Vella A (2017) New records of mites (Acari) and harvestmen (Opiliones) from Malta with a preliminary checklist of Maltese Arachnida. Soil Organisms 89: 85-110
Wiehle H (1953) Spinnentiere oder Arachnoidea (Araneae), IX. Orthognatha-Cribellata-Haplogynae, Entelegynae (Pholcidae, Zodariidae, Oxyopidae, Mimetidae, Nesticidae). Die Tierwelt Deutschlands 42: 1-150
WSC (2025) World Spider Catalog. Version 26. Natural History Museum Bern, online at http://wsc.nmbe.ch (28.2.2025) doi: 10.24436/2