''Rhene formosa'' is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
jumping spider in the
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
''
Rhene
''Rhene'' is a spider genus of the family Salticidae (jumping spiders).
Taxonomy
The genus was originally named ''Rhanis'' by C. L. Koch in 1846. However, this name had already been used for a beetle genus in 1834. Accordingly, Tamerlan Thorel ...
'' that lives in the mountains of Guinea. The female was first identified in 2002 while the male remains unknown. The spider is small, with a line of white hairs on a darker brown
carapace
A carapace is a Dorsum (biology), dorsal (upper) section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids, as well as vertebrates, such as turtles and tortoises. In turtles and tor ...
and a lighter beige and longer elongated
abdomen
The abdomen (colloquially called the belly, tummy, midriff, tucky or stomach) is the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. The abdomen is the front part of the abdominal segment of the torso. ...
.
Taxonomy
''Rhene formosa'' was first identified by Charles Haddad and
Wanda Wesołowska in 2011. It was allocated to the
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
''
Rhene
''Rhene'' is a spider genus of the family Salticidae (jumping spiders).
Taxonomy
The genus was originally named ''Rhanis'' by C. L. Koch in 1846. However, this name had already been used for a beetle genus in 1834. Accordingly, Tamerlan Thorel ...
'', which is named after the Greek female name, shared by
mythological figures, in the family Salticidae. The
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
name is the Latin for shapely, and recalls the body shape of the spider.
Description
Only the female has been described. It has a flat, wide, dark brown
carapace
A carapace is a Dorsum (biology), dorsal (upper) section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids, as well as vertebrates, such as turtles and tortoises. In turtles and tor ...
that is in length. The carapace is hairy, mostly covered with brown and grey hairs, but with a line of white hairs behind the first row of eyes. The
abdomen
The abdomen (colloquially called the belly, tummy, midriff, tucky or stomach) is the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. The abdomen is the front part of the abdominal segment of the torso. ...
is elongated and light beige, measuring in length.
[ The species is similar to the related '' Rhene pinguis'', but differs in the design of its copulatory opening.] The epigyne
The epigyne or epigynum is the external genital structure of female spiders. As the epigyne varies greatly in form in different species, even in closely related ones, it often provides the most distinctive characteristic for recognizing species. ...
is large and the copulatory openings are hidden.[
]
Distribution
The species has been found in the Guinea Highlands
The Guinea Highlands is a densely forested mountainous plateau extending from central Guinea through northern Sierra Leone and Liberia to western Ivory Coast. The highlands include a number of mountains, ranges and plateaus, including the Fouta ...
in Guinea.[
]
References
{{Taxonbar, from=Q2147757
Fauna of Guinea
Salticidae
Spiders described in 2002
Spiders of Africa
Taxa named by Wanda Wesołowska