Acacesia
Encyclopedia
Acacesia is a genus
of orb weaver spider
s with a mostly neotropical distribution. Only A. hamata can also be found in the USA.
shape, outlined in black and surrounded by a triangular folium. On each side of the dagger there are parallel rows of orange-brown dots. Body length of females ranges from 4.3 to 8 mm, of males from 3.6 to 6.5 mm.
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 orb weaver 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 with a mostly neotropical distribution. Only A. hamata can also be found in the USA.
Description
The back of spiders in this genus is marked with a daggerDagger
A dagger is a fighting knife with a sharp point designed or capable of being used as a thrusting or stabbing weapon. The design dates to human prehistory, and daggers have been used throughout human experience to the modern day in close combat confrontations...
shape, outlined in black and surrounded by a triangular folium. On each side of the dagger there are parallel rows of orange-brown dots. Body length of females ranges from 4.3 to 8 mm, of males from 3.6 to 6.5 mm.
Behavior
As the other species are only known from museum specimens, only the natural history A. hamata is known in any detail.Species
- Acacesia benigna Glueck, 1994 — PeruPeruPeru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....
, BoliviaBoliviaBolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...
, 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... - Acacesia cornigera PetrunkevitchAlexander PetrunkevitchAlexander Ivanovitch Petrunkevitch was an eminent arachnologist of his time. From 1910 to 1939 he described over 130 spider species.-Biography:...
, 1925 — MexicoMexicoThe United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...
to Brazil, French GuianaFrench GuianaFrench Guiana is an overseas region of France, consisting of a single overseas department located on the northern Atlantic coast of South America. It has borders with two nations, Brazil to the east and south, and Suriname to the west...
, GuyanaGuyanaGuyana , officially the Co-operative Republic of Guyana, previously the colony of British Guiana, is a sovereign state on the northern coast of South America that is culturally part of the Anglophone Caribbean. Guyana was a former colony of the Dutch and of the British... - Acacesia graciosa Lise & Braul, 1996 — Brazil
- Acacesia hamata (Hentz, 1847) — USA to ArgentinaArgentinaArgentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...
- Acacesia villalobosi Glueck, 1994 — Brazil
- Acacesia yacuiensis Glueck, 1994 — Brazil, Argentina
External links
- BugGuide: Photographs of A. hamata