''Poltys columnaris'', known as the tree stump spider, is a species of

spider Spiders ( order Araneae) are air-breathing arthropods that have eight legs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species ...

of the genus ''

Poltys :''Poltys'' is also a genus of spiders In Greek mythology, Poltys (Ancient Greek: Πόλτυς) is a mythical king and eponym of the Thracian city of Poltyobria (or ''Poltymbria''; also called Aenus), featured in Apollodorus's account of the story ...

''. It is found in

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...

Sumatra Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...

, and

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

Description

The spider has unusual column-shaped abdomen with shiny spots called maculae at base. It is mainly a nocturnal hunter, remaining motionless during the day. The male is very much smaller in size at 1.5-2.1 mm; the female is larger at 7.8-15.1 mm.

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photos
Spiders of Asia Araneidae Spiders described in 1890 {{Araneidae-stub

Description

See also

References

External links