Nigma Explained

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

Species

it contains fourteen species:^[3]

• 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

External links

• Nigma at BugGuide

Notes and References

1. 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. 199–468. 4.
2. Web site: Genus Nigma. BugGuide. 2019-06-01.
3. Web site: Gen. Nigma Lehtinen, 1967. World Spider Catalog Version 20.0. 2019-06-01. 2019. Natural History Museum Bern. 10.24436/2.