''Chilobrachys'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of Asian

tarantulas Tarantulas comprise a group of large and often hairy spiders of the family Theraphosidae. , 1,040 species have been identified, with 156 genera. The term "tarantula" is usually used to describe members of the family Theraphosidae, although ...

that was first described by Ferdinand Anton Franz Karsch in 1892. They are found in

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...

Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...

, China,

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...

and Sri Lanka. They are usually medium or large-sized, and they can stridulate by using small spines present on the

chelicerae The chelicerae () are the mouthparts of the subphylum Chelicerata, an arthropod group that includes arachnids, horseshoe crabs, and sea spiders. Commonly referred to as " jaws", chelicerae may be shaped as either articulated fangs, or similarl ...

Diagnosis

They have special stridulating organs in their

, which are made of short spines. Males have a

palpal bulb The two palpal bulbs – also known as palpal organs and genital bulbs – are the copulatory organs of a male spider. They are borne on the last segment of the pedipalps (the front "limbs" of a spider), giving the spider an appearance often desc ...

which ends in a long and slender blade like spine, females have one pair of spermathecha. The anterior eyes form almost a straight line. Their legs have a narrower scapulae at the tip of the metatarsus.

Species

it contains thirty-one species, found in

Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an are ...

: *'' Chilobrachys andersoni'' ( Pocock, 1895) –

*'' Chilobrachys annandalei''

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 ...

, 1901 –

*'' Chilobrachys assamensis'' Hirst, 1909 –

*'' Chilobrachys bicolor'' (Pocock, 1895) –

*'' Chilobrachys brevipes'' ( Thorell, 1897) –

*'' Chilobrachys dominus'' Lin & Li, 2022 - China *'' Chilobrachys dyscolus'' (Simon, 1886) –

*'' Chilobrachys femoralis'' Pocock, 1900 –

*'' Chilobrachys fimbriatus'' Pocock, 1899 –

*'' Chilobrachys flavopilosus'' (Simon, 1884) –

*'' Chilobrachys fumosus'' (Pocock, 1895) –

*'' Chilobrachys guangxiensis'' (Yin & Tan, 2000) – China *'' Chilobrachys hardwickei'' (Pocock, 1895) –

*'' Chilobrachys himalayensis'' ( Tikader, 1977) –

*'' Chilobrachys huahini'' Schmidt & Huber, 1996 –

*'' Chilobrachys hubei'' Song & Zhao, 1988 – China *'' Chilobrachys jinchengi'' Lin & Li, 2022 - China *'' Chilobrachys jonitriantisvansickleae'' Nanayakkara, Sumanapala & Kirk, 2019 – Sri Lanka *'' Chilobrachys khasiensis'' (Tikader, 1977) –

*'' Chilobrachys liboensis'' Zhu & Zhang, 2008 – China *'' Chilobrachys lubricus'' Yu, S. Y. Zhang, F. Zhang, Li & Yang, 2021 - China *'' Chilobrachys nitelinus'' Karsch, 1892 ( type) – Sri Lanka *'' Chilobrachys oculatus'' (Thorell, 1895) –

*'' Chilobrachys paviei'' (Simon, 1886) –

*'' Chilobrachys pococki'' (Thorell, 1897) –

*'' Chilobrachys sericeus'' (Thorell, 1895) –

*'' Chilobrachys soricinus'' (Thorell, 1887) –

*'' Chilobrachys stridulans'' (Wood Mason, 1877) –

*'' Chilobrachys subarmatus'' (Thorell, 1891) –

( Nicobar Isands) *'' Chilobrachys thorelli'' Pocock, 1900 –

*'' Chilobrachys tschankhoensis'' Schenkel, 1963 – China ( Nomen dubnium) In synonymy: *''Chilobrachys'' ''decoratus'' (Tikader, 1977) = '' Chilobrachys fimbriatus'' Pocock, 1899 *''Chilobrachys'' ''jingzhao'' Zhu, Song & Li, 2001 = '' Chilobrachys guangxiensis'' Yin & Tan, 2000 One species has been changed to ''

Selenocosmia ''Selenocosmia'' is a genus of tarantulas that was first described by Anton Ausserer in 1871. The genus is found in China, New Guinea, Indonesia, Australia, Indonesia, Myanmar, Malaysia, Laos, Vietnam, Philippines, India and Pakistan. They are ...

'': * ''Chilobrachys samarae'' Giltay, 1935 → '' Selenocosmia samarae''

References

{{Taxonbar, from=Q2963625 Theraphosidae genera Spiders of Asia Taxa named by Ferdinand Karsch Theraphosidae

Diagnosis

Species

See also

References