''Marchena'' is a
genus of
jumping spiders only found in the United States. Its only described species, ''M. minuta'',
dwells on the barks of
conifer
Conifers are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single ...
s along the west coast, especially
California,
Washington and
Nevada.
[Maddison, Wayne. 1995. Marchena. Marchena minuta. Version 1 January 1995 (under construction). http://tolweb.org/Marchena_minuta/2986/1995.01.01 in The Tree of Life Web Project, http://tolweb.org/]
It forms a
monophyletic
In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gro ...
group with the genera ''
Afraflacilla'', ''
Pseudicius'' and ''
Festucula
''Festucula'' is a genus of jumping spiders that was first described by Eugène Louis Simon in 1901.
Species
it contains ten species, found only in Africa and Israel:
*'' Festucula australis'' Lawrence, 1927 – Congo, Angola, Namibia
*'' Festu ...
''.
[Zabka & Grey 2002]
Description
This species can easily be distinguished from others in its range by the tubercles on the first femur of its first legs.
[ ''M. minuta'' has a body length of about 4 mm.
]
Name
The genus name is probably derived from the Spanish city of Marchena, Seville. As witnessed by other generic names, the describers had a habit of naming taxa after places unrelated to the species' distribution. The species name is Latin for "small, minute".
Notes
References
* (2002): Salticidae (Arachnida: Araneae) from Oriental, Australian and Pacific Regions, XVI. New Species of ''Grayenulla
''Grayenulla'' is a genus of Australia, Australian Salticidae, jumping spiders that was first described by Marek Michał Żabka in 1992.
The generic name honours Michael R. Gray.
Species
it contains seven species, found only in Queensland, New ...
'' and ''Afraflacilla''. ''Records of the Australian Museum'' 54: 269-274
PDF
* (2009)
version 9.5. ''American Museum of Natural History''.
External links
* Awesome Spiders
* Salticidae.org
{{Taxonbar, from=Q962353
Salticidae
Spiders of the United States
Monotypic Salticidae genera