Silometopus bilacunatus (L. Koch, 1881)
Description
Male
Prosom light brown, with dark saddle patch, striae and thin black margin. Sternum brown, suffused with black, shiny. Chelicerae and legs light brown. Promargin of chelicera with 5 teeth. Opisthosoma dark greyish.
Body length male: 1.2-1.3 mmFemale
Colouration as in males.
Body length female: 1.5-1.6 mmDistribution
Phenology
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Figures
Pedipalp, retrolateral view
(Holm 1977)
Pedipalp, dorsal view
(Kielhorn 2025b)
Palpal tibia, dorsal view
(Holm 1977)
Palpal tibia, dorsal view
(L. Koch 1881)
Prosoma, lateral view
(Holm 1977)
Prosoma, dorsal view
(Holm 1977)
Epigyne, ventral view
(Holm 1977)
Epigyne, posterior view
(Holm 1977)
Vulva, ventral view
(Holm 1977)
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
Holm Å (1977) Two new species of the erigonine genera Savignia and Silometopus (Araneae: Linyphiidae) from Swedish Lapland. Entomologica Scandinavica 8: 161-166 
Kielhorn K-H (2025b) Silometopus acutus ist ein jüngeres Synonym von Silometopus bilacunatus (Araneae: Linyphiidae). Arachnologische Mitteilungen 70: 50-53
Koch L (1881) Beschreibungen neuer von Herrn Dr. Zimmermann bei Niesky in der Oberlausitz endeckter Arachniden. Abhandlungen der Naturforschenden Gesellschaft Görlitz 17: 41-71
Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001]
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
Tanasevitch A V (2008a) New records of linyphiid spiders from Russia, with taxonomic and nomenclatural notes (Aranei: Linyphiidae). Arthropoda Selecta 16: 115-135
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2