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Theridiidae Theridion

Theridion t-notatum Thorell, 1895

T-motif Comb-footed Spider

The female is similar to but smaller than Nihonhimea mundula and has on the posterior abdomen a white motif shaped like the letter T. In some individuals the T may appear inverted.

The male is significantly smaller and has a distinctly protruding ocular area above a flat and high clypeus. Legs I are disproportionately long and robust. Straddling the abdomen is a π shaped motif in white (also on the female), but (unlike the female) there is no T marking. The giant palps are easily seen from above. In lateral view its large and backward pointing embolic parts look like scimitars.

Length♀ 3 mm; ♂ 1–2 mm
Type LocalityTharrawaddy, Myanmar
DistributionSingapore, Malaysia (Pahang), Myanmar.
HabitatFoliage in the understorey of primary and secondary forests as well as wooded areas.
BiologyThe female builds a three-dimensional web and hides in a twisted leaf shelter suspended within or near the upper one-third of the structure. The web is somewhat similar to that constructed by N. mundula, but it has a flat and meshed base.

Distribution Map for Theridion t-notatum Thorell, 1895

Singapore, Malaysia (Pahang), Myanmar.

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