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Pholcidae Nipisa

Nipisa anai (Huber, 2017)

Beaded Egg Sac Matchstick Spider

With a colour varying from whitish to yellowish green, this species can be identified with certainty only through microscopic examination of its sexual organs. Nevertheless, the egg sac offers a clue to distinguish it from N. phyllicola. the other Nipisa species found in Singapore. In this species, the egg sac is like a string of beads, comprising 9-12 eggs arranged in a single row.

Huber

Length♀ 5–6 mm; ♂ 5–6 mm
DistributionSingapore, Malaysia (Pahang), Indonesia (West Sumatra).
HabitatUnder leaves in secondary forest. Sometimes under banana leaves along forest edges.
BiologyThe web is made of a dense sheet, close to the leaf surface, visible only when the leaf is seen from the side against the light.

Taxonomy

Type Deposits*

  1. Holotype

    Zoologisches Forschungsmuseum Alexander Koenig (ZFMK), Bonn, Germany (data base search of type material, 18.01.2019); ♂ (Ar16016)

Taxonomic references*

  1. Calapnita anai (Original description ♂♀)

    Huber, 2017 Revision and cladistic analysis of the Southeast Asian leaf-dwelling spider genus Calapnita Simon (Araneae, Pholcidae): 29, f. 11-12, 107-119 doi:10.11646/zootaxa.4219.1.1

  2. Nipisa anai (Transferred from Calapnita)

    Huber, Eberle & Dimitrov, 2018 The phylogeny of pholcid spiders: a critical evaluation of relationships suggested by molecular data (Araneae, Pholcidae): 84 doi:10.3897/zookeys.789.22781

* Retrieved from the World Spider Catalog.

Distribution Map for Nipisa anai (Huber, 2017)

Singapore, Malaysia (Pahang), Indonesia (West Sumatra).

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