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]

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

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

References

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  1. ^ a b c "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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