Agorius
Encyclopedia
Agorius is a genus
of the spider
family Salticidae (jumping spider
s).
Undescribed species have been found in Malaysia and Sabah
. No new species were described for about one hundred years, with two new species found in the early 2000s.
The genera Agorius and Synagelides
(and perhaps Pseudosynagelides
) are sometimes separated as a genus group, called subfamily Agoriinae Simon, 1901. Several more species have been found but not yet described.
another good ant mimic
, but can be distinguished from it by having no large, forward-pointing chelicerae, and is not found on vegetation above the ground, but only in rain forest leaf litter.
A. borneensis, A. formicinus and A. semirufus are only known from male specimens, A. cinctus and A. gracilipes only from a female.
(Araneae: Salticidae). Bull. Br. arachnol. Soc. 12: 139-143.
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 the 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...
family Salticidae (jumping spider
Jumping spider
The jumping spider family contains more than 500 described genera and about 5,000 described species, making it the largest family of spiders with about 13% of all species. Jumping spiders have some of the best vision among invertebrates and use it in courtship, hunting and navigation...
s).
Undescribed species have been found in Malaysia and Sabah
Sabah
Sabah is one of 13 member states of Malaysia. It is located on the northern portion of the island of Borneo. It is the second largest state in the country after Sarawak, which it borders on its southwest. It also shares a border with the province of East Kalimantan of Indonesia in the south...
. No new species were described for about one hundred years, with two new species found in the early 2000s.
The genera Agorius and Synagelides
Synagelides
Synagelides is a genus of Asian spiders of the Salticidae family .The genera Agorius and Synagelides are separated as a genus group, sometimes called subfamily Agoriinae Simon, 1901....
(and perhaps Pseudosynagelides
Pseudosynagelides
Pseudosynagelides is a spider genus of the Salticidae family .The genera Agorius and Synagelides are separated as a genus group, sometimes called subfamily Agoriinae Simon, 1901.-Name:...
) are sometimes separated as a genus group, called subfamily Agoriinae Simon, 1901. Several more species have been found but not yet described.
Description
Both sexes are about six to eight mm long. Agorius is similar to MyrmarachneMyrmarachne
Myrmarachne is a genus of jumping spiders which imitate an ant by waving their front legs in the air to simulate antennae. Some species also look strikingly like ants....
another good ant mimic
Ant mimicry
Ant mimicry is mimicry of ants by other organisms. Ants are abundant all over the world, and insect predators that rely on vision to identify their prey such as birds and wasps normally avoid them, either because they are unpalatable, or aggressive. Thus some other arthropods mimic ants to escape...
, but can be distinguished from it by having no large, forward-pointing chelicerae, and is not found on vegetation above the ground, but only in rain forest leaf litter.
A. borneensis, A. formicinus and A. semirufus are only known from male specimens, A. cinctus and A. gracilipes only from a female.
Species
- Agorius baloghiAgorius baloghiAgorius baloghi is an ant-like jumping spider.-Name:The species is named in honor of Hungarian oribatid mite specialist János Balogh, who collected the specimens....
Szűts, 2003 — New GuineaNew GuineaNew 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...
, New BritainNew BritainNew Britain, or Niu Briten, is the largest island in the Bismarck Archipelago of Papua New Guinea. It is separated from the island of New Guinea by the Dampier and Vitiaz Straits and from New Ireland by St. George's Channel... - Agorius borneensisAgorius borneensisAgorius borneensis is an ant-like jumping spider.-Name:The species is named after Borneo, the locality where it is endemic.-References: : New species of Malaysian Agorius and Sobasina . Bull. Br. arachnol. Soc. 12: 139-143. : , version 8.0. American Museum of Natural History....
Edmunds & Prószynski, 2001 — BorneoBorneoBorneo is the third largest island in the world and is located north of Java Island, Indonesia, at the geographic centre of Maritime Southeast Asia.... - Agorius cinctus Simon, 1901 — JavaJavaJava is an island of Indonesia. With a population of 135 million , it is the world's most populous island, and one of the most densely populated regions in the world. It is home to 60% of Indonesia's population. The Indonesian capital city, Jakarta, is in west Java...
, LombokLombokLombok is an island in West Nusa Tenggara province, Indonesia. It forms part of the chain of the Lesser Sunda Islands, with the Lombok Strait separating it from Bali to the west and the Alas Strait between it and Sumbawa to the east... - Agorius constrictusAgorius constrictusAgorius constrictus is a species of ant mimicking jumping spider from Singapore.-Description:Both sexes are about 6 mm long. The orange-brown cephalothorax is about twice as long as wide, with its posterior edge forming a transverse depression behind the rear eyes...
Simon, 1901 — SingaporeSingaporeSingapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the... - Agorius formicinus Simon, 1903 — SumatraSumatraSumatra is an island in western Indonesia, westernmost of the Sunda Islands. It is the largest island entirely in Indonesia , and the sixth largest island in the world at 473,481 km2 with a population of 50,365,538...
- Agorius gracilipes Thorell, 1877 — SulawesiSulawesiSulawesi is one of the four larger Sunda Islands of Indonesia and is situated between Borneo and the Maluku Islands. In Indonesia, only Sumatra, Borneo, and Papua are larger in territory, and only Java and Sumatra have larger Indonesian populations.- Etymology :The Portuguese were the first to...
- Agorius semirufus Simon, 1901 — PhilippinesPhilippinesThe Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...
Further reading
(2001): New species of Malaysian Agorius and SobasinaSobasina
Sobasina is a spider genus of the Salticidae family .-Appearance:Sobasina species look somewhat like ants, except S...
(Araneae: Salticidae). Bull. Br. arachnol. Soc. 12: 139-143.
External links
- Salticidae.org: Diagnostic drawings and photographs