Genus: Gasteracantha

 


棘蛛屬

Family: Araneidae
Genus: Gasteracantha

An extraordinary spider group. These spiny spiders scientific name is Gasteracantha.

Spiny orb-weavers is a common name for Gasteracantha genus of spiders. They are also commonly called Spiny-backed orb-weavers, due to the prominent spines on their abdomen. These spiders can reach sizes of up to 30mm in diameter (measured from spike to spike).

Although their shell is shaped like a crab shell with spikes, it is not to be confused with a crab spider.

Genus Gasteracantha include 69 species :

Gasteracantha crucigera Bradley, 1877 Malaysia, Java, Borneo, New Guinea
Gasteracantha diardi (Lucas, 1835) China, Thailand, Borneo, Sunda
Gasteracantha doriae Simon, 1877 Singapore, Sumatra, Borneo
Gasteracantha frontata Blackwall, 1864 India, Myanmar, Thailand, Flores, Borneo
Gasteracantha mengei Keyserling, 1864 Malaysia, Sumatra, Borneo
Gasteracantha sturi (Doleschall, 1857) Laos, Sumatra, Java, Borneo, Moluccas
Gasteracantha subaequispina Dahl, 1914 Borneo, New Guinea
Gasteracantha cuspidata C. L. Koch, 1837 Malaysia, Nicobar Islands, Java

 

 

Gasteracantha BLACK

Gasteracantha diardi

Female 20mm width measured from spike to spike

6-9-2009 BOMBALAI

Gasteracantha fornicata

Gasteracantha fornicata

Female 20mm width measure from spike to spike

12-7-2009 GUDANG 4

Gasteracantha fornicata

12-4-2006 MEROTAI

Gasteracantha cancriformis

Gasteracantha cancriformis ?????

Female 6mm width from spike to spike.

2-8-2009  ABACA

Gasteracantha kuhli

Singapore


Gasteracantha cancriformis ?????

3MM

29-9-2008 SABAH CHINESE HIGH SCHOOL

 

Gasteracantha fornicata

Gasteracantha fornicata

Female 17.5mm width measured from spike to spike

12-7-2009 GUDANG 4

Gasteracantha cancriformis

乳頭棘蛛(黑色型)

體長6-11mm

Gasteracantha hasseltii

Singapore

Gasteracantha hasselti

Gasteracantha hasselti

3MM

9-8-2009 BUKIT GEMOK

Gasteracantha arcuata

the most famous spiny crab orbweaver from Borneo

Gasteracantha sp Balung

Gasteracantha sp Balung

13-5-2006 BALUNG


Gasteracantha cancriformis

乳頭棘蛛(變異)

體長6-11mm


Spiders of Sabah  November 10, 2014 08:18:29 AM

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