Dictynidae: Nigma Lehtinen, 1967
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 Opisthosoma green in living specimens; male chelicerae as fig.; male pedipalpus with dorsal hump on cymbium; lateral tibial apophysis pointed; median bar of epigyne very narrow, > three times as long as wide

Nigma walckenaeri (Roewer, 1951)
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male Pedipalp
(Wiehle 1953)

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male Pedipalp, ventral view
(Wiehle 1953)

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male Pedipalp
(Roberts 1995)
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male Pedipalp, ventral view
(Wunderlich 2011c)

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male Cymbium, dorsal view
(Wunderlich 2011c)

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male Chelicerae, dorsal view
(Locket & Millidge 1951)
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male Patella and tibia, dorsal view
(Locket & Millidge 1951)

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male Patella and tibia, lateral view
(Locket & Millidge 1951)

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female Epigyne
(Roberts 1995)
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female Epigyne
(Wiehle 1953)

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female Epigyne
(Locket & Millidge 1951)

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female Vulva
(Wiehle 1953)
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female Habitus
(Loksa 1969)

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Ocular area and chelicerae
(Wiehle 1953)
- Opisthosoma whitish grey; male chelicerae and pedipalp different; median bar of epigyne wider, max. two times as long as wide

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 Bulge on male chelicerae forming a hump; tibial apophysis on male pedipalp small and rounded; epigyne and vulva as figs.

Nigma flavescens (Walckenaer, 1830)
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male Pedipalp, retrolateral view
(Wunderlich 2011c)

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male Pedipalp
(Wiehle 1953)

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male Pedipalp
(Roberts 1995)
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male Pedipalp, ventral view
(Wunderlich 2011c)

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male Cymbium, dorsal view
(Wunderlich 2011c)

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male Ocular area and chelicerae, antero-dorsal view
(Wunderlich 2011c)
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male Chelicerae, dorsal view
(Locket & Millidge 1951)

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male Patella and tibia, dorsal view
(Locket & Millidge 1951)

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male Patella and tibia, lateral view
(Locket & Millidge 1951)
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female Epigyne
(Roberts 1995)

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female Epigyne
(Wiehle 1953)

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female Epigyne
(Locket & Millidge 1951)
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female Vulva
(Wiehle 1953)

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Ocular area and chelicerae
(Wiehle 1953)
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 Bulge on male chelicerae broadly rounded; pedipalp and epigyne as figs.

Nigma puella (Simon, 1870)
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male Pedipalp
(Roberts 1995)

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male Pedipalp, retrolateral view
(Wunderlich 2011c)

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male Pedipalp, ventral view
(Wunderlich 2011c)
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male Cymbium, dorsal view
(Wunderlich 2011c)

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male Ocular area and chelicerae, antero-dorsal view
(Wunderlich 2011c)

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male Chelicerae, frontal view
(Locket & Millidge 1951)
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male Chelicerae, dorsal view
(Locket & Millidge 1951)

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male Patella and tibia, dorsal view
(Locket & Millidge 1951)

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male Patella and tibia, lateral view
(Locket & Millidge 1951)
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female Epigyne
(Roberts 1995)

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female Epigyne
(Locket & Millidge 1951)

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Ocular area and chelicerae
(Heimer & Nentwig 1991)

Further taxa

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1. Nigma conducens (O. Pickard-Cambridge, 1876)
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male Pedipalp, retrolateral view
(Abdel-Ghani et al. 2023)

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male Pedipalp, ventral view
(Abdel-Ghani et al. 2023)

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female Pedipalp, ventral view
(Lehtinen 1967)
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female Epigyne
(Lehtinen 1967)

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female Vulva, ventral view
(Abdel-Ghani et al. 2023)

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2. Nigma hortensis (Simon, 1870)
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male Pedipalp, retrolateral view
(Barrientos & Ferrández 1982)

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male Conductor, ventral view
(Wunderlich 2011c)

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male Palpal tibia
(Simon 1914)
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female Epigyne
(Lissner 2017a)

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female Vulva
(Lissner 2017a)

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female Opisthosoma, dorsal view
(Barrientos & Ferrández 1982)
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Prosoma, dorsal view
(Simon 1914)

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3. Nigma laeta (Spassky, 1952)
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male Pedipalp
(Andreeva 1976)

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female Epigyne
(Spassky 1952)