| Eresus robustus | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Eresidae |
| Genus: | Eresus |
| Species: | E. robustus |
| Binomial name | |
| Eresus robustus Franganillo, 1918 | |
Eresus robustus is a spider species found in Spain. [1]
Atracidae is a family of mygalomorph spiders, commonly known as Australian funnel-web spiders or atracids. It has been included as a subfamily of the Hexathelidae, but is now recognized as a separate family. All members of the family are native to Australia. Atracidae consists of three genera: Atrax, Hadronyche, and Illawarra, comprising 35 species. Some members of the family produce venom that is dangerous to humans, and bites by spiders of six of the species have caused severe injuries to victims. The bite of the Sydney funnel-web spider and northern tree-dwelling funnel-web spider are potentially deadly, but no fatalities have occurred since the introduction of modern first-aid techniques and antivenom.
Funnel-web spider refers to many different species of spider, particularly those that spin a web in the shape of a funnel:
The Araneomorphae are an infraorder of spiders. They are distinguished by having chelicerae (fangs) that point diagonally forward and cross in a pinching action, in contrast to the Mygalomorphae, where they point straight down. Most of the spiders that people encounter in daily life belong to the Araneomorphae.
Velvet spiders are a small group of spiders almost entirely limited to the Old World, with exception of a few species known from Brazil. The characteristics of this family of spiders are that they are entelegyne, eight-eyed araneomorph spiders that build unkempt webs. They are cribellate. Some species are nearly eusocial, lacking only a specialized caste system and a queen. They cooperate in brood rearing, unlike most other spiders except for some African agelenid spiders in the genus Agelena and a few others.
The Sydney funnel-web spider is a species of venomous mygalomorph spider native to eastern Australia, usually found within a 100 km (62 mi) radius of Sydney. It is a member of a group of spiders known as Australian funnel-web spiders. Its bite is capable of causing serious illness or death in humans if left untreated.
Eresus cinnaberinus and Eresus niger are names formerly used for a group of spiders in the genus Eresus now divided into three species, E. kollari, E. sandaliatus and E. moravicus. The three species differ in size, colour pattern, shape of prosoma and copulatory organs, and habitat, with no morphologically intermediate forms. As eastern and western E. kollari are genetically different, with the eastern form likely a hybrid between "pure" E. kollari and E. moravicus, it is possible that later revisions will partition it into additional species.
Eresus sandaliatus is a species of spider found primarily in northern and central Europe. Like other species of the genus Eresus, it is commonly called ladybird spider because of the coloration of the male.
Eresus, also called ladybird spiders, is a genus of velvet spiders that was first described by Charles Athanase Walckenaer in 1805. Members of the genus formerly called Eresus cinnaberinus or Eresus niger are now placed in one of three species: Eresus kollari, Eresus sandaliatus and Eresus moravicus.
Atrax is a genus of venomous Australian funnel web spiders that was first described by O. Pickard-Cambridge in 1877 from the type species Atrax robustus. As of May 2019 it contains only three species: A. robustus, A. sutherlandi, and A. yorkmainorum. Originally placed with the curtain web spiders, it was moved to the Hexathelidae in 1980, then to the Australian funnel-web spiders in 2018.
Eresus walckenaerius is a species of ladybird spider from the eastern Mediterranean.
Eresus ruficapillus is a spider species found in Sicily and Croatia.
Eresus kollari, the ladybird spider, is a spider species in the family Eresidae.
A. robustus may refer to:
Loureedia is a genus of velvet spiders that was first described by J. A. Miller in 2012. As of July 2020, it contained only four species: L. annulipes, L. colleni, L. lucasi and L. phoenixi. This genus of velvet spiders that live underground are named after Lou Reed, guitarist and singer for the Velvet Underground. In 2020, researchers discovered the fourth species, L. phoenixi, in Iran.
Eresus lavrosiae is a spider species found in Georgia.
Eresus moravicus is a spider species in the family Eresidae found in Austria, Hungary, Czechia, Slovakia and Albania.
Eresus rotundiceps is a spider species found in Ukraine and Turkmenistan.
Eresus sedilloti is a spider species found in Portugal and Spain.
Eresus solitarius is a spider species in the family Eresidae. It is found in the Mediterranean Basin.
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