Nuctenea is a genus of orb-weaver spiders first described by Eugène Simon in 1895. Its most familiar member is the Walnut Orb-Weaver Spider, N. umbratica.
Species it contains only three species. Nuctenea cedrorum (Simon, 1929) — Algeria Nuctenea silvicultrix (C. L. Koch, 1835) — Palearctic Nuctenea umbratica (Clerck, 1757) — Europe to Azerbaijan Nuctenea umbratica nigricans (Franganillo, 1909) — Portugal Nuctenea umbratica obscura (Franganillo, 1909) — Portugal
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