''Siwa'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
orb-weaver spiders first described by M. Grasshoff in 1970.
it contains only two species.
References
Araneidae
Araneomorphae genera
{{Araneidae-stub