Nephila komaci
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Nephila komaci is a species of golden orb-web spider. It is the largest web-spinning spider known.[1] A few specimens have been found in South Africa and Madagascar.
Discovery
This species was first identified in a Pretoria museum collection in 2000. The species is named in honor of Andrej Komac, a late friend of one of the arachnologists who reported its discovery in 2009.[1] It was not discovered in the wild until 2007, when it was located in Tembe Elephant Park in South Africa.[2]
It was one of the first new Nephila spiders to be discovered in more than a century; most were discovered in the 19th century.[3]
Description
N. komaci females are the largest Nephila yet discovered. Displaying sexual size dimorphism commonly observed in various species of spiders, the size of a male reaches a leg span of only about 2.5 centimetres, with a body length of about 9 mm,[2] roughly one fifth of that of a female.[1] The tip-to-tip leg span of a female is about 12 cm (body length c. 4 cm),[2] with a web that is equally impressive in size, measuring more than a metre in diameter.
Reproduction
Males wait for a female to molt, and immediately afterwards inseminate her, breaking off their genitalia within the female, which thereby acts as a plug to prevent other males from mating with her. The now sterile male then spends the rest of his life (life span: about one year)[2] driving away other males. Nevertheless, females with several dismembered male organs within them have been found.[2]
Distribution
All known localities lie within two endangered biodiversity hotspots: Maputaland-Pondoland-Albany and Madagascar.[1] Its only definitive current habitat is a sand forest in Tembe Elephant Park, which is in itself endangered.
References
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External links
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