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Barychelidae Idioctis

Idioctis littoralis Abraham, 1924

Intertidal Brush-footed Trapdoor Spider

This mygalomorph may be recognised by its association with the mangrove habitat, short spinnerets. a compact and robust body covered with a smooth and velvety layer of water-repellent hairs, and the presence of scopulae and tarsal tufts on legs I and II.

Length♀ 9 mm; ♂ unknown
DistributionSingapore, Malaysia (Peninsular Malaysia).
HabitatIntertidal zone in mangroves.
BiologyIt lives in a tube retreat, often on the wall of mud lobster mounds, sometimes in mud between mangrove roots. The entrance of each retreat is made watertight with a wafer-like door (about 6 mm in diameter), made of fine debris bound together within by silk. The spider is able to hold tightly to the inside of its door or tube when disturbed.

Taxonomy

Type Deposits*

  1. Syntype

    British Museum of Natural History (BMNH)/Natural History Museum (NHMUK), London, UK; 3♀ 5 Juvenile (Abraham, 1924)

Taxonomic references*

  1. Idioctis littoralis (Original description ♀)

    Abraham, 1924 Some mygalomorph spiders from the Malay Peninsula: 1098, pl. 2, f. 8-9 doi:10.1111/j.1096-3642.1924.tb03332.x

  2. Idioctis littoralis (♀)

    Raven, 1988 A revision of the mygalomorph spider genus Idioctis (Araneae, Barychelidae): 8, f. 26-30

  3. Idioctis littoralis

    Raven, 1994 Mygalomorph spiders of the Barychelidae in Australia and the western Pacific: 313, f

* Retrieved from the World Spider Catalog.

Distribution Map for Idioctis littoralis Abraham, 1924

Singapore, Malaysia (Peninsular Malaysia).

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