''Badumna'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of intertidal spiders that was first described by

Tamerlan Thorell Tord Tamerlan Teodor Thorell (3 May 1830 – 22 December 1901) was a Sweden, Swedish arachnologist. Thorell studied spiders with Giacomo Doria at the Museo Civico di Storia Naturale de Genoa. He corresponded with other arachnologists, such as Oc ...

in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as the "black house spider" or "black window spider".

Description

They are medium to large

cribellate Cribellum literally means "little sieve", and in biology the term generally applies to anatomical structures in the form of tiny perforated plates. In certain groups of diatoms it refers to microscopically punctured regions of the frustule, or o ...

spiders. The

carapace A carapace is a Dorsum (biology), dorsal (upper) section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids, as well as vertebrates, such as turtles and tortoises. In turtles and tor ...

is pale brown to a darker brown in color, with long or small brown hairs being found besides smaller white hairs. The

opisthosoma The opisthosoma is the posterior part of the body in some arthropods, behind the prosoma (cephalothorax). It is a distinctive feature of the subphylum Chelicerata (arachnids, horseshoe crabs and others). Although it is similar in most respects to a ...

has a dark striping or spotting.

Distribution

Most of the species are considered to be endemic in the Indo-Australian region, but some have been introduced elsewhere. '' B. longinqua'' is the only species introduced to

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

, now found in urban areas along California's Pacific coast. ''B. insignis'' has also been found in

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

, though it is thought it was introduced.

Species

it contains sixteen species: *''

Badumna arguta ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' (

Simon Simon may refer to: People * Simon (given name), including a list of people and fictional characters with the given name Simon * Simon (surname), including a list of people with the surname Simon * Eugène Simon, French naturalist and the genus ...

, 1906) – Australia (Queensland) *''

Badumna bimetallica ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' ( Hogg, 1896) – Central Australia *''

Badumna exilis ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' Thorell, 1890 – Indonesia (Java) *''

Badumna exsiccata ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' (Strand, 1913) – Australia *'' Badumna guttipes'' (Simon, 1906) – Australia (Victoria, Tasmania) *''

Badumna hirsuta ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' Thorell, 1890 ( type) – Indonesia (Java) *''

Badumna hygrophila ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' (Simon, 1902) – Australia (Queensland) *''

Badumna insignis The black house spider or common black spider (''Badumna insignis'') is a common species of cribellate Australian spider, introduced to New Zealand and Japan. A closely related species, ''Badumna longinqua'', the grey house spider, has a similar ...

'' (

L. Koch Ludwig Carl Christian Koch (8 November 1825 – 1 November 1908) was a German entomologist and arachnologist. He was born in Regensburg, Germany, and died in Nuremberg, Germany. He studied in Nuremberg, initially law, but then turned to medicin ...

, 1872) – Australia. Introduced to Japan, New Zealand *''

Badumna longinqua ''Badumna longinqua'' or the grey house spider is a species of spiders in the family Desidae. Native to eastern Australia, it has been introduced into New Zealand, Japan, the United States, Mexico, and Uruguay. Description ''Badumna longinqua'' ...

'' (L. Koch, 1867) – Eastern Australia. Introduced to USA (Coastal Florida and California), Mexico, Uruguay, Japan, New Zealand *''

Badumna maculata ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' (Rainbow, 1916) – Australia (Queensland) *''

Badumna microps ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' (Simon, 1908) – Australia (Western Australia) *''

Badumna pilosa ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' (Hogg, 1900) – Australia (Victoria) *''

Badumna scalaris ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' (L. Koch, 1872) – Australia (Queensland, central Australia) *''

Badumna senilella ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' (Strand, 1907) – Australia *''

Badumna socialis ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' (Rainbow, 1905) – Australia (New South Wales) *''

Badumna tangae ''Badumna'' is a genus of intertidal spiders that was first described by Tamerlan Thorell in 1890. They are harmless spiders that can be found around human structures and buildings. The most well-known species is '' B. insignis'', also known as ...

'' Zhu, Zhang & Yang, 2006 – China

References

External links

Badumna
at

BugGuide BugGuide (or BugGuide.net) is a website and online community of naturalists, both amateur and professional, who share observations of arthropods such as insects, spiders, and other related creatures. The website consists of informational guide p ...

{{Taxonbar, from=Q2714907 Araneomorphae genera Desidae Taxa named by Tamerlan Thorell