Ischnothyreus

Ischnothyreus is a genus of oonopid spiders generally between 1.25 (smallest male) and 2.25 mm (largest female) long. They have six eyes; in at least the species I. peltifer and I. omus, the males have a curious knob or hook at the base of the fang.

Species
it contains 126 species:


 * Ischnothyreus aculeatus (Simon, 1893) — Philippines
 * Ischnothyreus an Tong & Li, 2016 — Singapore
 * Ischnothyreus arcus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus ascifer Richard, 2016 — Sumatra
 * Ischnothyreus auritus Tong & Li, 2013 — China
 * Ischnothyreus baltenspergerae Richard, 2016 — Java
 * Ischnothyreus balu Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus barratus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus barus Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus bauri Richard, 2016 — Java
 * Ischnothyreus bifidus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus binorbis Edward & Harvey, 2014 — Queensland
 * Ischnothyreus bipartitus Simon, 1893 — Sri Lanka
 * Ischnothyreus boonjee Edward & Harvey, 2014 — Queensland
 * Ischnothyreus browni Chickering, 1968 — Costa Rica
 * Ischnothyreus brunneus Tong & Li, 2016 — Singapore
 * Ischnothyreus bualveus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus bupariorbis Edward & Harvey, 2014 — Queensland
 * Ischnothyreus campanaceus Tong & Li, 2013 — China
 * Ischnothyreus caoqii Tong, Bian & Li, 2023 — China
 * Ischnothyreus chippy Ranasinghe & Benjamin, 2018 — Sri Lanka
 * Ischnothyreus collingwoodi Edward & Harvey, 2014 — Queensland
 * Ischnothyreus comicus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus concavus Richard, 2016 — Sumatra
 * Ischnothyreus corniculatum Edward & Harvey, 2014 — Queensland
 * Ischnothyreus cornuatus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus corollacous Tong & Li, 2013 — Laos
 * Ischnothyreus crenulatus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus cristiformis Tong & Li, 2021 — China
 * Ischnothyreus culleni Edward & Harvey, 2014 — Queensland
 * Ischnothyreus dactylinus Tong & Li, 2016 — Singapore
 * Ischnothyreus danum Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus darwini Edward & Harvey, 2014 — Northern Territory
 * Ischnothyreus deccanensis Tikader & Malhotra, 1974 — India
 * Ischnothyreus deelemanae Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus digitus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus eacham Edward & Harvey, 2014 — Queensland
 * Ischnothyreus elvis Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus eungella Edward & Harvey, 2014 — Queensland
 * Ischnothyreus falcatus Tong & Li, 2013 — China
 * Ischnothyreus falcifer Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus flabellifer Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus flagellichelis Xu, 1989 — China
 * Ischnothyreus flippi Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus florence Edward & Harvey, 2014 — Northern Territory
 * Ischnothyreus florifer Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus fobor Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus gigeri Richard, 2016 — Java
 * Ischnothyreus habeggeri Richard, 2016 — Sumatra
 * Ischnothyreus hamatus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus hanae Tong & Li, 2013 — China
 * Ischnothyreus haymozi Richard, 2016 — Sumatra
 * Ischnothyreus hooki Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus hoplophorus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus hponkanrazi Tong & Li, 2020 — Myanmar
 * Ischnothyreus jianglangi Tong & Li, 2020 — Myanmar
 * Ischnothyreus jivani Benoit, 1979 — Seychelles
 * Ischnothyreus jojo Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus julianneae Edward & Harvey, 2014 — Queensland
 * Ischnothyreus kalimantan <Small>Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus kentigensis Tong & Li, 2014 — Taiwan
 * Ischnothyreus ker Edward & Harvey, 2014 — Queensland
 * Ischnothyreus khamis Saaristo & van Harten, 2006 — Yemen
 * Ischnothyreus lanutoo Marples, 1955 — Samoa
 * Ischnothyreus ligulatus Richard, 2016 — Java
 * Ischnothyreus linzhiensis Hu, 2001 — China
 * Ischnothyreus lucidus Richard, 2016 — Sumatra
 * Ischnothyreus lymphaseus Simon, 1893 — Sri Lanka
 * Ischnothyreus mangun Tong & Li, 2021 — China
 * Ischnothyreus marggii Richard, 2016 — Sumatra
 * Ischnothyreus matang <Small>Kranz-Baltensperger, 2011</Small> — Borneo
 * Ischnothyreus meidamon Edward & Harvey, 2014 — Queensland
 * Ischnothyreus mengyang Tong & Li, 2021 — China
 * Ischnothyreus metok Tong, Bian & Li, 2023 — China
 * Ischnothyreus meukyawwa Tong & Li, 2020 — Myanmar
 * Ischnothyreus microphthalmus Richard, 2016 — Sumatra
 * Ischnothyreus montiethi Edward & Harvey, 2014 — Queensland
 * Ischnothyreus mulumi <Small>Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus namo <Small>Kranz-Baltensperger, 2012</Small> — Malaysia
 * Ischnothyreus narutomii (Nakatsudi, 1942) — China, Taiwan, Japan
 * Ischnothyreus nentwigorum Richard, 2016 — Java
 * Ischnothyreus nourlangie Edward & Harvey, 2014 — Northern Territory
 * Ischnothyreus obscurus Richard, 2016 — Sumatra
 * Ischnothyreus ogatai Suzuki, Hidaka & Tatsuta, 2023 — Ryukyu Islands
 * Ischnothyreus ovinus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus pacificus Roewer, 1963 — Micronesia
 * Ischnothyreus peltifer (Simon, 1892) — Tropical Asia. Introduced to North, Central, South America, Britain, Switzerland, Gabon, Seychelles, Madagascar, Hawaii
 * Ischnothyreus piricius Edward & Harvey, 2014 — Queensland
 * Ischnothyreus poculum Tong & Li, 2016 — Singapore
 * Ischnothyreus pome Tong, Bian & Li, 2023 — China
 * Ischnothyreus pterodactyl Edward & Harvey, 2014 — Queensland
 * Ischnothyreus puruntatamerii Edward & Harvey, 2014 — Northern Territory
 * Ischnothyreus putao Tong & Li, 2020 — Myanmar
 * Ischnothyreus qianlongae Tong & Li, 2008 — China
 * Ischnothyreus qidaoban Tong & Li, 2021 — China
 * Ischnothyreus qiuxing Tong & Li, 2020 — Myanmar, China
 * Ischnothyreus raveni Edward & Harvey, 2014 — Queensland
 * Ischnothyreus rex <Small>Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus rixi Edward & Harvey, 2014 — Queensland
 * Ischnothyreus ruyuanensis Tong, 2023 — China
 * Ischnothyreus serapi <Small>Kranz-Baltensperger, 2011 — Borneo
 * Ischnothyreus serpentinum Saaristo, 2001 — Seychelles, Madagascar, Java
 * Ischnothyreus shillongensis Tikader, 1968 — India, Bhutan
 * Ischnothyreus sigridae Richard, 2016 — Java
 * Ischnothyreus sijiae Tong & Li, 2021 — China
 * Ischnothyreus spineus Tong & Li, 2012 — China
 * Ischnothyreus stauntoni Edward & Harvey, 2014 — Queensland
 * Ischnothyreus subaculeatus Roewer, 1938 — Moluccas
 * Ischnothyreus tadetu Tong & Li, 2013 — Laos
 * Ischnothyreus tadfane Tong & Li, 2013 — Laos
 * Ischnothyreus taunggyi Tong & Li, 2020 — Myanmar
 * Ischnothyreus tectorius Tong & Li, 2016 — Singapore
 * Ischnothyreus tekek <Small>Kranz-Baltensperger, 2012</Small> — Malaysia
 * Ischnothyreus tergeminus Liu, Xu & Henrard, 2019 — China
 * Ischnothyreus tioman <Small>Kranz-Baltensperger, 2012</Small> — Malaysia
 * Ischnothyreus tragicus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus tumidus Edward & Harvey, 2014 — Queensland
 * Ischnothyreus ujungkulon Richard, 2016 — Java
 * Ischnothyreus velox Jackson, 1908 — Tropical Asia. Introduced to North, Central, South America, Brazil, Britain, Netherlands, Germany, Egypt, Seychelles, Madagascar, Hawaii
 * Ischnothyreus xiaolongha Tong & Li, 2021 — China
 * Ischnothyreus xui Tong & Li, 2013 — China
 * Ischnothyreus yuanyeae Tong & Li, 2013 — China
 * Ischnothyreus yueluensis Yin & Wang, 1984 — China
 * Ischnothyreus yunlong Tong & Li, 2021 — China
 * Ischnothyreus zhigangi Tong & Li, 2020 — Myanmar
 * Ischnothyreus zhoujiayan Tong & Li, 2018 — China