Nigma

Nigma is a genus of cribellate araneomorph spiders in the family Dictynidae, and was first described by Pekka T. Lehtinen in 1967.[2] They have a wide distribution, including Eurasia, North America, and Northern Africa.[1] N. walckenaeri is one of the biggest members of the Dictynidae, growing up to 5 millimetres (0.20 in) long. They are translucent green and sometimes have red or black markings on the abdomen.[3]

This article is about the spider. For the Batman supervillain, see Riddler. For the Cypriot cargo ship, see SS Nigma.

Nigma
N. walckenaeri
N. flavescens
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Dictynidae
Genus: Nigma
Lehtinen, 1967[1]
Type species
N. flavescens
(Walckenaer, 1830)
Species

14, see text

Species

As of May 2019 it contains fourteen species:[1]

  • Nigma conducens (O. Pickard-Cambridge, 1876) – North Africa
  • Nigma flavescens (Walckenaer, 1830) (type) – Europe, Caucasus, Iran
  • Nigma gertschi (Berland & Millot, 1940) – Senegal
  • Nigma gratiosa (Simon, 1881) – Portugal, Spain, North Africa
  • Nigma hortensis (Simon, 1870) – Portugal, Spain, France, Algeria
  • Nigma laeta (Spassky, 1952) – Azerbaijan, Iran, Tajikistan
  • Nigma linsdalei (Chamberlin & Gertsch, 1958) – USA
  • Nigma longipes (Berland, 1914) – East Africa
  • Nigma nangquianensis (Hu, 2001) – China
  • Nigma puella (Simon, 1870) – Europe, Azores, Madeira, Canary Is.
  • Nigma shiprai (Tikader, 1966) – India
  • Nigma tuberosa Wunderlich, 1987 – Canary Is.
  • Nigma vulnerata (Simon, 1914) – Mediterranean
  • Nigma walckenaeri (Roewer, 1951) – Europe, Turkey, Caucasus

References
  1. "Gen. Nigma Lehtinen, 1967". World Spider Catalog Version 20.0. Natural History Museum Bern. 2019. doi:10.24436/2. Retrieved 2019-06-01.
  2. Lehtinen, P. T. (1967). "Classification of the cribellate spiders and some allied families, with notes on the evolution of the suborder Araneomorpha". Annales Zoologici Fennici. 4: 199–468.
  3. "Genus Nigma". BugGuide. Retrieved 2019-06-01.


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