Resources:
Dictynidae  O. Pickard-Cambridge, 1871 / Dictyna  Sundevall, 1833   13 species

Dictyna alaskae  Chamberlin & Ivie, 1947

Description
Male

Prosoma and chelicerae dark reddish brown. Sternum brown. Legs and palps light brown. Opisthosoma brownish gray, shiny, markings obscure or faint. Pars cephalica moderately elevated, convex from posterior eyes to median depression. Palp: Tibia with a prominent conical dorsal spur, tipped with the usual two stout points. Cymbium short. Tailpiece of conductor extended posteriorly as a long twisted spine. Prosoma length: 1.0 mm, prosoma width: 0.8 mm.

Body length male: 2.1-2.13 mm
Female

Prosoma brown, with sides of head and radial streaks darker, and with top of head lighter and clothed with white hairs. Chelicerae dark reddish brown. Sternum light brown. Legs and palps yellowish brown, unmarked. Opisthosoma light gray, with a large blackish mark over the heart and some dark transverse marks posterior, sides darker. Characteristic epigyne. Prosoma length: 0.8 mm, prosoma width: 0.7 mm.

Body length female: 2.2-2.55 mm
Distribution
  Presence
  No data
Global distribution (WSC 2020): North America, Northern Europe, Russia (Europe to Far East)
Figures
Distribution List
Finland   (Koponen et al., 2016) ||| Russia, Northern   (Mikhailov, 2013) ||| Sweden   (Almquist, 2006; Kronestedt, 2001) |||
References

Almquist S (2006) Swedish Araneae, part 2 – families Dictynidae to Salticidae. Insect Systematics & Evolution, Supplement 63: 285-601 pdf

Danilov S N (2000) New data on the spiders of the family Dictynidae (Araneae) from Siberia. Ekológia (Bratislava) 19, Suppl. 3: 37-44 pdf

Koponen S, Fritzén N R, Pajunen T (2016) Checklist of spiders in Finland (Araneae). 6th version, December 2016, online at http://biolcoll.utu.fi/arach/checklist_of_spiders_in_Finland.htm pdf

Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001] pdf

Mikhailov K G (2013) The spiders (Arachnida: Aranei) of Russia and adjacent countries: a non-annotated checklist. Arthropoda Selecta, Supplement 3: 1-262 pdf

Pajunen T (2013) Dictyna alaskae Chamberlin et Ivie, 1947 – kannusvarpuhämähäkki Suomessa (Araneae, Dictynidae). Sahlbergia 19: 38-40 pdf

World Spider Catalog (2020) World Spider Catalog. Version 21.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.03.2020) doi: 10.24436/2 pdf

Updates
08-07-2020 Distribution update Detail
13-06-2016 Datasheet update Detail
24-09-2015 Distribution update Detail
25-09-2014 Image insert