''Chumma'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

n tangled nest spiders first described by Rudy Jocqué in 2001. They are small, three-clawed spiders with a strong dorsal

scutum The ''scutum'' (; plural ''scuta'') was a type of shield used among Italic peoples in antiquity, most notably by the army of ancient Rome starting about the fourth century BC. The Romans adopted it when they switched from the military formati ...

. They have no fovea, and the posterior and median

spinnerets A spinneret is a silk-spinning organ of a spider or the larva of an insect. Some adult insects also have spinnerets, such as those borne on the forelegs of Embioptera. Spinnerets are usually on the underside of a spider's opisthosoma, and are ...

are reduced. The males of ''C. gastroperforata'' have two pairs of abdominal pockets that play a role in mating. This genus was initially placed in the family Chummidae, but the

World Spider Catalog The World Spider Catalog (WSC) is an online searchable database concerned with spider taxonomy. It aims to list all accepted families, genera and species, as well as provide access to the related taxonomic literature. The WSC began as a series of ...

places it in

Amaurobiidae ''Amaurobiidae'' is a family of three-clawed cribellate or ecribellate spiders found in crevices and hollows or under stones where they build retreats, and are often collected in pitfall traps. Unlidded burrows are sometimes quite obvious in crust ...

Species

it contains nine species in

South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. It is bounded to the south by of coastline that stretch along the Atlantic Ocean, South Atlantic and Indian Oceans; to the ...

and neighboring countries: *'' Chumma bicolor'' Jocqué & Alderweireldt, 2018 – South Africa *'' Chumma foliata'' Jocqué & Alderweireldt, 2018 – South Africa *'' Chumma gastroperforata'' Jocqué, 2001 – South Africa *'' Chumma inquieta'' Jocqué, 2001 ( type) – South Africa *'' Chumma interfluvialis'' Jocqué & Alderweireldt, 2018 – South Africa *'' Chumma lesotho'' Jocqué & Alderweireldt, 2018 – Lesotho *'' Chumma striata'' Jocqué & Alderweireldt, 2018 – South Africa *'' Chumma subridens'' Jocqué & Alderweireldt, 2018 – South Africa *'' Chumma tsitsikamma'' Jocqué & Alderweireldt, 2018 – South Africa

References

External links

* Jeremy Miller
Picture of a ''Chumma'' sp.
Spiders of South Africa Araneomorphae genera Amaurobiidae {{Amaurobiidae-stub