Icona alba is a species of comb-footed spider in the family Theridiidae. It is found in New Zealand.https://wsc.nmbe.ch/specieslist/3496 NMBEForster, R. R. (1955). Spiders from the subantarctic islands of New Zealand. Records of the Dominion Museum, Wellington 2: 167-203
Taxonomy This species was described by in 1955 by Ray Forster from male and female specimens. It was most recently revised in 1964.Forster, R. R. (1964). The Araneae and Opiliones of the subantarctic islands of New Zealand. Pacific Insects Monographs 7: 58-115 The holotype is stored in Te Papa Museum under registration number AS.000002.
Description The male is recorded at 5.01mm in length whereas the female is 4.26mm. The body is generally coloured creamy white. The abdomen has black patches.
Distribution This species is only known from the Auckland Islands and Campbell Islands in New Zealand.
Conservation status Under the New Zealand Threat Classification System, this species is listed as "Naturally Uncommon" with the qualifier of "Range Restricted".
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