Psilochorus
Encyclopedia
Psilochorus is a genus
of spider
s in the family Pholcidae.
, especially from Mexico and the USA, but other species occur in South America
. P. simoni is found only in Europe
. P. nigromaculatus was described from New Guinea
, but is certainly misplaced.
psilos "naked". The second part could be derived from a Greek word for "dance", or "separate".
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of spider
Spider
Spiders are air-breathing arthropods that have eight legs, and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other groups of organisms...
s in the family Pholcidae.
Description
The abdomen of Psilochorus species is humped and oval. The eight eyes are located in two rows.Distribution
Most described species are found in the New WorldNew World
The New World is one of the names used for the Western Hemisphere, specifically America and sometimes Oceania . The term originated in the late 15th century, when America had been recently discovered by European explorers, expanding the geographical horizon of the people of the European middle...
, especially from Mexico and the USA, but other species occur in South America
South America
South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...
. P. simoni is found only in Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
. P. nigromaculatus was described from New Guinea
New Guinea
New Guinea is the world's second largest island, after Greenland, covering a land area of 786,000 km2. Located in the southwest Pacific Ocean, it lies geographically to the east of the Malay Archipelago, with which it is sometimes included as part of a greater Indo-Australian Archipelago...
, but is certainly misplaced.
Name
The first part of the genus name is from Ancient GreekAncient Greek
Ancient Greek is the stage of the Greek language in the periods spanning the times c. 9th–6th centuries BC, , c. 5th–4th centuries BC , and the c. 3rd century BC – 6th century AD of ancient Greece and the ancient world; being predated in the 2nd millennium BC by Mycenaean Greek...
psilos "naked". The second part could be derived from a Greek word for "dance", or "separate".
Species
- Psilochorus acanthus Chamberlin & Ivie, 1942 — USA
- Psilochorus agnosticus Chamberlin, 1924 — Mexico
- Psilochorus apicalis Banks, 1921 — USA
- Psilochorus bantus Chamberlin & Ivie, 1942 — USA
- Psilochorus bruneocyaneus Mello-Leitão, 1941 — BrazilBrazilBrazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...
- Psilochorus californiae Chamberlin, 1919 — USA
- Psilochorus cambridgei Gertsch & Davis, 1937 — Mexico
- Psilochorus coahuilanus Gertsch & Davis, 1937 — Mexico
- Psilochorus concinnus Gertsch, 1973 — Mexico
- Psilochorus conjunctus Gertsch & Davis, 1942 — Mexico
- Psilochorus cordatus (Bilimek, 1867) — Mexico
- Psilochorus cornutus (Keyserling, 1887) — USA
- Psilochorus delicatus Gertsch, 1971 — Mexico
- Psilochorus diablo Gertsch, 1971 — Mexico
- Psilochorus dogmaticus Chamberlin, 1924 — Mexico
- Psilochorus durangoanus Gertsch & Davis, 1937 — Mexico
- Psilochorus fishi Gertsch, 1971 — Mexico
- Psilochorus gertschi Schenkel, 1950 — USA
- Psilochorus hesperus Gertsch & Ivie, 1936 — USA
- Psilochorus imitatus Gertsch & Mulaik, 1940 — USA
- Psilochorus itaguyrussu Huber, Rheims & Brescovit, 2005 — Brazil
- Psilochorus marcuzzii Caporiacco, 1955 — VenezuelaVenezuelaVenezuela , officially called the Bolivarian Republic of Venezuela , is a tropical country on the northern coast of South America. It borders Colombia to the west, Guyana to the east, and Brazil to the south...
- Psilochorus minimus Schmidt, 1956 — EcuadorEcuadorEcuador , officially the Republic of Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America, along with Chile, that do not have a border...
- Psilochorus minutus Banks, 1898 — Mexico
- Psilochorus murphyi Gertsch, 1973 — Mexico
- Psilochorus nigromaculatus Kulczynski, 1911 — New Guinea (misplaced)
- Psilochorus pallidulus Gertsch, 1935 — USA, Mexico
- Psilochorus papago Gertsch & Davis, 1942 — USA, Mexico
- Psilochorus pullulusPsilochorus pullulusPsilochorus pullulus is a species of spider in the Pholcidae family.-Description:The female is long, with extended legs. The flattened carapace is nearly circular and pale yellowish brown.-Behavior:...
(Hentz, 1850) — New World - Psilochorus redemptus Gertsch & Mulaik, 1940 — USA, Mexico
- Psilochorus rockefelleri Gertsch, 1935 — USA
- Psilochorus russelli Gertsch, 1971 — Mexico
- Psilochorus sectus Mello-Leitão, 1939 — Brazil
- Psilochorus simoni (Berland, 1911) — Europe
- Psilochorus simplicior Chamberlin & Ivie, 1942 — USA
- Psilochorus sinaloa Gertsch & Davis, 1942 — Mexico
- Psilochorus taperae Mello-Leitão, 1929 — Brazil
- Psilochorus tellezi Gertsch, 1971 — Mexico
- Psilochorus topanga Chamberlin & Ivie, 1942 — USA
- Psilochorus utahensis Chamberlin, 1919 — USA
- Psilochorus ybytyriguara Huber, Rheims & Brescovit, 2005 — Brazil
External links
- Universität Bonn: Pholcidae (diagnostic photographs of P. simoni)
- BugGuide.net: Photograph of mating P. pullulus