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Theridiidae Theridion

Theridion zonulatum Thorell, 1890

Smiley Zebra Comb-Footed Spider

With an abdomen banded like a zebra, the female appears similar to Theridion sp. A but it may be instantly recognised by the "smiley" face at the posterior end of the abdomen, coupled with some yellow spots nearer the spinnerets. The background colouration of the abdomen is dominated by yellow rather than white. The male is orangish red, and is almost indistinguishable from that of Theridion sp. A, except that it is bigger, and the spinnerets are surrounded by a pair of almost kidney-shaped black spots that are proportionally larger than the black spots in the same area of Theridion sp. A.

Length♀ 3–4 mm; ♂ 4 mm
DistributionSingapore, Malaysia (Peninsular Malaysia, Sarawak, Sabah), Indonesia (West Sumatra), Brunei, Thailand, China, India.
HabitatFoliage in the understorey of rainforests.
BiologyThe eggs sacs are white and spherical.

Taxonomy

Taxonomic references*

  1. Theridion zonulatum (Original description ♀)

    Thorell, 1890a Studi sui ragni Malesi e Papuani: 273

  2. Theridion zebrinusum (Original description ♀)

    Zhu, 1998 Fauna Sinica: Arachnida: Araneae: Theridiidae: 165, f. 103A-C

  3. Theridion zebrinusum (♀)

    Song, Zhu & Chen, 1999 The spiders of China: 148, f. 83A-B

  4. Theridion echinatum (Original description ♂)

    Gao & Li, 2014 Comb-footed spiders (Araneae: Theridiidae) in the tropical rainforest of Xishuangbanna, Southwest China: 100, f. 84A-B, 85A-B, 86A-D doi:10.11865/zs20140101

  5. Theridion zonulatum (♀, Synonym of Theridion zebrinusum)

    Ehrler et al., 2014 Theridion zonulatum Thorell 1890, a senior synonym of Theridion zebrinusum Zhu 1998: 80, f. 1-6 doi:10.2476/asjaa.63.79

  6. Theridion zonulatum (mf, Synonym of Theridion echinatum)

    Sankaran et al., 2015c Theridion echinatum Gao & Li, 2014, a junior synonym of Theridion zonulatum Thorell, 1890 (Araneae, Theridiidae) with comments on its web architecture: 138, f. 2A-F, 3A-E doi:10.11646/zootaxa.4007.1.12

* Retrieved from the World Spider Catalog.

Distribution Map for Theridion zonulatum Thorell, 1890

Singapore, Malaysia (Peninsular Malaysia, Sarawak, Sabah), Indonesia (West Sumatra), Brunei, Thailand, China, India.

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