| Isometroides vescus | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Scorpiones |
| Family: | Buthidae |
| Genus: | Isometroides |
| Species: | I. vescus |
| Binomial name | |
| Isometroides vescus (Karsch, 1880) | |
| Synonyms | |
| |
Isometroides vescus, also known as the spider-hunting scorpion or spiral burrow scorpion, is a species of scorpion in the Buthidae family. It is native to Australia, and was first described by German arachnologist Ferdinand Karsch in 1880.
The species grows to about 50 mm in length. It is mainly golden-brown in colour, with a dark brown tail tip. [1]
Found across much of inland Australia, except for the far north, the species occurs in sclerophyll forests and woodlands, as well as saltbush plains. [1]
The scorpions are specialised free-ranging nocturnal predators of trapdoor spiders, and are often found in the vacant burrows of their prey. [1]
Scorpions are predatory arachnids of the order Scorpiones. They have eight legs, and are easily recognized by a pair of grasping pincers and a narrow, segmented tail, often carried in a characteristic forward curve over the back and always ending with a stinger. The evolutionary history of scorpions goes back 435 million years. They mainly live in deserts but have adapted to a wide range of environmental conditions, and can be found on all continents except Antarctica. There are over 2,500 described species, with 22 extant (living) families recognized to date. Their taxonomy is being revised to account for 21st-century genomic studies.
Amblypygi is an order of arachnid chelicerate arthropods also known as whip spiders or tailless whip scorpions. The name "amblypygid" means "blunt tail", a reference to a lack of the flagellum that is otherwise seen in whip scorpions. Amblypygids possess no silk glands or venomous fangs. They rarely bite if threatened, but can grab fingers with their pedipalps, resulting in thorn-like puncture injuries.
Huntsman spiders, members of the family Sparassidae, are known by this name because of their speed and mode of hunting. They are also called giant crab spiders because of their size and appearance. Larger species sometimes are referred to as wood spiders, because of their preference for woody places. In southern Africa the genus Palystes are known as rain spiders or lizard-eating spiders. Commonly, they are confused with baboon spiders from the Mygalomorphae infraorder, which are not closely related.
Sicariidae is a family of six-eyed venomous spiders known for their potentially necrotic bites. The family consists of three genera and about 160 species. Well known spiders in this family include the brown recluse spider and the six-eyed sand spider.
The family Cyrtaucheniidae, known as wafer-lid trapdoor spiders, are a widespread family of Mygalomorphae spiders.
Corinnidae is a family of araneomorph spiders, sometimes called corinnid sac spiders. The family, like other "clubionoid" families, has a confusing taxonomic history. Once it was a part of the large catch-all taxon Clubionidae, now very much smaller. The original members of the family are apparently similar only in that they have eight eyes arranged in two rows, conical anterior spinnerets that touch and are generally wandering predators that build silken retreats, or sacs, usually on plant terminals, between leaves, under bark or under rocks.
Opistophthalmus is a genus of scorpions known commonly as burrowing scorpions, tricolored scorpions, serkets, or hissing scorpions. They are found predominantly in southern Africa. They are known for making deep and elaborate burrows.
Idiopidae, also known as armored trapdoor spiders, is a family of mygalomorph spiders first described by Eugène Simon in 1889. They have a large body similar to tarantulas.
Nemesiidae, also known as funnel-web trapdoor spiders, is a family of mygalomorph spiders first described by Eugène Simon in 1889, and raised to family status in 1985. Before becoming its own family, it was considered part of "Dipluridae".
Barychelidae, also known as brushed trapdoor spiders, is a spider family with about 300 species in 42 genera. Most spiders in this family build trapdoor burrows. For example, the 20 millimetres (0.79 in) long Sipalolasma builds its burrow in rotted wood, with a hinged trapdoor at each end. The 10 millimetres (0.39 in) long Idioctis builds its burrow approximately 5 centimetres (2.0 in) deep, just below the high tide level, sealing the opening with a thin trapdoor.
Trochanteriidae is a family of spiders first described by Ferdinand Karsch in 1879 containing about 52 species in6 genera. Most are endemic to Australia though Doliomalus and Trochanteria are from South America and Plator is from Asia. Platyoides species exist in southern and eastern Africa, Madagascar, and the Canary Islands with one species, P. walteri, introduced to Australia.
Tarantulas comprise a group of large and often hairy spiders of the family Theraphosidae. As of August 2022, 1,040 species have been identified, with 156 genera. The term "tarantula" is usually used to describe members of the family Theraphosidae, although many other members of the same infraorder (Mygalomorphae) are commonly referred to as "tarantulas" or "false tarantulas". Some of the more common species have become popular in the exotic pet trade. Many New World species kept as pets have setae known as urticating hairs that can cause irritation to the skin, and in extreme cases, cause damage to the eyes.
Pelinobius or the king baboon is a monotypic genus of east African tarantulas containing the single species, Pelinobius muticus. It was first described by Ferdinand Anton Franz Karsch in 1885, and is found in Tanzania and Kenya.
The Sydney brown trapdoor spider is a spider in the family Idiopidae, found primarily around Sydney, Australia. It is usually shy and retiring and is often confused with the Sydney funnel-web spider, which is one of the most venomous spiders in the world.
The taxonomy of scorpions deals with the classification of this predatory arthropod into 13 extant families and about 1,400 described species and subspecies. In addition, 111 described taxa of extinct scorpions are known.
Arbanitis robertsi is a species of tube spider in the family Idiopidae found in and near rainforests in New South Wales and Queensland, Australia. A mid to large sized spider which builds a tube of web that extends from the burrow. The tube is attached to rocks, tree ferns or the base of trees. Thousands of these tubes were recorded by Sid Jackson in November 1922 at the south eastern end of Wallis Lake. "Up to three feet long, and half an inch wide". Situated on damp ground, close to freshwater streams.
Isometroides is a genus of scorpions in the Buthidae family with two species. It is endemic to, and found widely across, inland mainland Australia, and was first described by German arachnologist Eugen von Keyserling in 1885.
Isometroides angusticaudus, also known as the slender spider-hunting scorpion, is a species of scorpion in the Buthidae family. It is native to Australia, and was first described by German arachnologist Eugen von Keyserling in 1885.
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