''Bertrana'' 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 n ...
of
Central
Central is an adjective usually referring to being in the center of some place or (mathematical) object.
Central may also refer to:
Directions and generalised locations
* Central Africa, a region in the centre of Africa continent, also known a ...
and
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the souther ...
n
orb-weaver spiders first described by
Eugen von Keyserling Eugen von Keyserling (22 March 1833 in Pockroy, Lithuania – 4 April 1889 in Dzierżoniów, Silesia
Silesia (, also , ) is a historical region of Central Europe that lies mostly within Poland, with small parts in the Czech Republic and G ...
in 1884.
It includes some of the smallest known araneid orb-weavers.
''Bertrana striolata'' females are 4.5 mm long or less.
The eight eyes are in two rows. The abdomen is white on top and on the sides, with multiple hieroglyphic-like lines and bars of many different shapes and length. In females, these are red, in males, black.
Species
it contains twelve species:
*''
Bertrana abbreviata''
(Keyserling, 1879) – Colombia
*''
Bertrana arena''
Levi, 1989 – Costa Rica
*''
Bertrana benuta''
Levi, 1994 – Colombia
*''
Bertrana elinguis''
(Keyserling, 1883) – Ecuador, Peru, Brazil, French Guiana
*''
Bertrana laselva''
Levi, 1989 – Costa Rica
*''
Bertrana nancho''
Levi, 1989 – Peru
*''
Bertrana planada''
Levi, 1989 – Colombia, Ecuador
*''
Bertrana poa''
Levi, 1994 – Ecuador
*''
Bertrana rufostriata''
Simon, 1893 – Venezuela, Brazil
*''
Bertrana striolata''
Keyserling, 1884 – Costa Rica to Argentina
*''
Bertrana urahua''
Levi, 1994 – Ecuador
*''
Bertrana vella''
Levi, 1989 – Panama, Colombia
References
Araneidae
Araneomorphae genera
Spiders of Central America
Spiders of South America
Taxa named by Eugen von Keyserling
{{Araneidae-stub