''Ischnocolus'' 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 ...

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 m ...

that was first described by

Anton Ausserer Anton Ausserer (5 July 184320 July 1889)Maurer, Ferdinand: ''Nachruf an Dr. Anton Ausserer.'' Programm des kk. acad. Gymnasiums in Grätz. Graz 1890 was an Austrian naturalist specialising in spiders.Bonnet, Pierre: Bibliographia aranearum, Les ...

in 1871. This

tarantula 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 ...

genus includes some of the smallest in the family.

Diagnosis

Males of this genus can be distinguished by the

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 descr ...

morphology, which owns a slightly bent apical end. Females can be distinguished by the morphology of the

spermatheca The spermatheca (pronounced plural: spermathecae ), also called receptaculum seminis (plural: receptacula seminis), is an organ of the female reproductive tract in insects, e.g. ants, bees, some molluscs, oligochaeta worms and certain other ...

, which is made up of two twisted receptacles.

Species

it contains eight species, found in Europe, Asia, Africa, and

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

: *'' Ischnocolus elongatus'' ( Simon, 1873) –

Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to ...

Algeria ) , image_map = Algeria (centered orthographic projection).svg , map_caption = , image_map2 = , capital = Algiers , coordinates = , largest_city = capital , relig ...

*'' Ischnocolus hancocki'' Smith, 1990 – Morocco *'' Ischnocolus ignoratus'' Guadanucci & Wendt, 2014 –

Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...

Syria Syria ( ar, سُورِيَا or سُورِيَة, translit=Sūriyā), officially the Syrian Arab Republic ( ar, الجمهورية العربية السورية, al-Jumhūrīyah al-ʻArabīyah as-Sūrīyah), is a Western Asian country loc ...

*''

Ischnocolus jickelii ''Ischnocolus jickelii'' is a small, old-world tarantula. It is found in Aden, Djibouti, Ethiopia, the United Arab Emirates and Somalia. It was first described by Ludwig Carl Christian Koch, Ludwig Koch in 1875. In 1890, French Arachnology, arachn ...

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 ...

, 1875 –

Ethiopia Ethiopia, , om, Itiyoophiyaa, so, Itoobiya, ti, ኢትዮጵያ, Ítiyop'iya, aa, Itiyoppiya officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the ...

Eritrea Eritrea ( ; ti, ኤርትራ, Ertra, ; ar, إرتريا, ʾIritriyā), officially the State of Eritrea, is a country in the Horn of Africa region of Eastern Africa, with its capital and largest city at Asmara. It is bordered by Ethiopia ...

Djibouti Djibouti, ar, جيبوتي ', french: link=no, Djibouti, so, Jabuuti officially the Republic of Djibouti, is a country in the Horn of Africa, bordered by Somalia to the south, Ethiopia to the southwest, Eritrea in the north, and the Red ...

Somalia Somalia, , Osmanya script: 𐒈𐒝𐒑𐒛𐒐𐒘𐒕𐒖; ar, الصومال, aṣ-Ṣūmāl officially the Federal Republic of SomaliaThe ''Federal Republic of Somalia'' is the country's name per Article 1 of thProvisional Constituti ...

Yemen Yemen (; ar, ٱلْيَمَن, al-Yaman), officially the Republic of Yemen,, ) is a country in Western Asia. It is situated on the southern end of the Arabian Peninsula, and borders Saudi Arabia to the Saudi Arabia–Yemen border, north and ...

, Saudi Arabia,

Oman Oman ( ; ar, عُمَان ' ), officially the Sultanate of Oman ( ar, سلْطنةُ عُمان ), is an Arabian country located in southwestern Asia. It is situated on the southeastern coast of the Arabian Peninsula, and spans the mouth of t ...

United Arab Emirates The United Arab Emirates (UAE; ar, اَلْإِمَارَات الْعَرَبِيَة الْمُتَحِدَة ), or simply the Emirates ( ar, الِْإمَارَات ), is a country in Western Asia (The Middle East). It is located at th ...

*'' Ischnocolus mogadorensis'' Simon, 1909 - Morocco, Western

Sahara , photo = Sahara real color.jpg , photo_caption = The Sahara taken by Apollo 17 astronauts, 1972 , map = , map_image = , location = , country = , country1 = , ...

*''

Ischnocolus rubropilosus ''Ischnocolus'' is a genus of Theraphosidae, tarantulas that was first described by Anton Ausserer in 1871. This tarantula genus includes some of the smallest in the family. Diagnosis Males of this genus can be distinguished by the palpal bulb ...

'' Keyserling, 1891 –

*'' Ischnocolus tomentosus'' Thorell, 1899 –

Cameroon Cameroon (; french: Cameroun, ff, Kamerun), officially the Republic of Cameroon (french: République du Cameroun, links=no), is a country in west-central Africa. It is bordered by Nigeria to the west and north; Chad to the northeast; the C ...

Congo Congo or The Congo may refer to either of two countries that border the Congo River in central Africa: * Democratic Republic of the Congo, the larger country to the southeast, capital Kinshasa, formerly known as Zaire, sometimes referred to a ...

*''

Ischnocolus valentinus ''Ischnocolus valentinus'' is a small, old-world tarantula. It is found in Spain, Italy, Morocco, Algeria, Tunisia and Libya. It is the only species of true tarantula to occur in continental Europe. It is the type species of the genus '' Ischnoco ...

'' (Dufour, 1820) (

type Type may refer to: Science and technology Computing * Typing, producing text via a keyboard, typewriter, etc. * Data type, collection of values used for computations. * File type * TYPE (DOS command), a command to display contents of a file. * Ty ...

) –

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...

(

Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...

), Morocco, Algeria, Tunesia,

Libya Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to Egypt–Libya bo ...

*'' Ischnocolus vanandelae'' Montemor, West & Zamani, 2020 – Oman,

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

In synonymy

*''I. adenensis'' (Simon, 1890) = ''Ischnocolus jickelii'' L. Koch, 1875 *''I. africanus'' (Ausserer, 1875) = ''Ischnocolus elongatus'' (Simon, 1873) *''I. algericus'' Thorell, 1875 = ''Ischnocolus valentinus'' (Dufour, 1820) *''I. andalusiacus'' (Simon, 1873) = ''Ischnocolus valentinus'' (Dufour, 1820) *''I. cavicola'' (Simon, 1889) = ''Ischnocolus valentinus'' (Dufour, 1820) *''I. fuscostriatus'' Simon, 1885 = ''Ischnocolus valentinus'' (Dufour, 1820) *''I. holosericeus'' L. Koch, 1871 = ''Ischnocolus valentinus'' (Dufour, 1820) *''I. maroccanus'' (Simon, 1873) = ''Ischnocolus valentinus'' (Dufour, 1820) *''I. mogadorensis'' Simon, 1909 = ''Ischnocolus valentinus'' (Dufour, 1820) *''I. numidus'' Simon, 1909 = ''Ischnocolus valentinus'' (Dufour, 1820) *''I. triangulifer'' Ausserer, 1871 = ''Ischnocolus valentinus'' (Dufour, 1820) *''I. tripolitanus'' Caporiacco, 1937 = ''Ischnocolus valentinus'' (Dufour, 1820)

Nomina dubia In binomial nomenclature, a ''nomen dubium'' (Latin for "doubtful name", plural ''nomina dubia'') is a scientific name that is of unknown or doubtful application. Zoology In case of a ''nomen dubium'' it may be impossible to determine whether a s ...

Transferred to other genera

References