# 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

As of August 2023 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 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 Kranz-Baltensperger, 2011 — 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 Kranz-Baltensperger, 2011 — Borneo
* Ischnothyreus namo Kranz-Baltensperger, 2012 — 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 Kranz-Baltensperger, 2011 — Borneo
* Ischnothyreus rixi Edward & Harvey, 2014 — Queensland
* Ischnothyreus ruyuanensis Tong, 2023 — China
* Ischnothyreus serapi 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 Kranz-Baltensperger, 2012 — Malaysia
* Ischnothyreus tergeminus Liu, Xu & Henrard, 2019 — China
* Ischnothyreus tioman Kranz-Baltensperger, 2012 — 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