''Utivarachna'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
Asia
Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...
n
araneomorph
The Araneomorphae (also called the Labidognatha or "true spiders") are an infraorder of spiders. They are distinguishable by chelicerae (fangs) that point diagonally forward and cross in a pinching action, in contrast to the Mygalomorphae (taran ...
spiders in the family
Trachelidae
Trachelidae is a family of Araneomorphae, araneomorph spiders (more recently evolved spiders with inward-pointing chelicerae) first described by Eugène Simon in 1897 as a subfamily called "Tracheleae" ("Trachelinae" in modern terminology). The ...
first described by
Kyukichi Kishida
was a Japanese zoologist, who published in arachnology, mammalogy, and herpetology.
He described several spider Genus, genera and species including :
* ''Heptathela''
** ''Heptathela kimurai'' (Kimura-gumo)
* ''Pireneitega''
References
*
...
in 1940.
It was largely ignored until
Christa L. Deeleman-Reinhold revised the sac and ground spiders in 2001, transferring some species from ''
Trachelas
''Trachelas'' is a genus of araneomorph spiders which has variously been placed in families Trachelidae or Corinnidae. Current taxonomy places it in Trachelidae.
Though the name was first used in an identification key published by Ludwig Carl Ch ...
'' and adding several new ones.
The genus was further expanded in 2014 and 2015.
Species
it contains seventeen species in southeast Asia:
*''
Utivarachna accentuata''
(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 ...
, 1896) – Sri Lanka
*''
Utivarachna arcuata''
Zhao & Peng, 2014 – China
*''
Utivarachna bucculenta''
Deeleman-Reinhold
Christa Laetitia Deeleman-Reinhold (23 November 1930 – 26 March 2025) was a Dutch arachnologist. She specialized in spiders from Southeast Asia and Southern Europe, particularly cave-dwelling and tropical spiders. She donated a collection of ...
, 2001 – Thailand
*''
Utivarachna chamaeleon''
Deeleman-Reinhold, 2001 – Borneo
*''
Utivarachna dusun''
Deeleman-Reinhold, 2001 – Borneo
*''
Utivarachna fabaria''
Zhao & Peng, 2014 – China
*''
Utivarachna fronto''
(Simon, 1906) – India
*''
Utivarachna fukasawana''
Kishida, 1940 (
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.
* ...
) – Borneo
*''
Utivarachna gongshanensis''
Zhao & Peng, 2014 – China
*''
Utivarachna gui''
(Zhu, Song & Kim, 1998) – China
*''
Utivarachna ichneumon''
Deeleman-Reinhold, 2001 – Borneo
*''
Utivarachna kinabaluensis''
Deeleman-Reinhold, 2001 – Borneo
*''
Utivarachna lata''
Jin, Yin & Zhang, 2015 – China
*''
Utivarachna phyllicola''
Deeleman-Reinhold, 2001 – Thailand, Indonesia (Sumatra, Borneo)
*''
Utivarachna rama''
Chami-Kranon & Likhitrakarn, 2007 – Thailand
*''
Utivarachna rubra''
Deeleman-Reinhold, 2001 – Borneo
*''
Utivarachna taiwanica''
(Hayashi & Yoshida, 1993) – Taiwan
References
Araneomorphae genera
Fauna of Southeast Asia
Spiders of Asia
Trachelidae
Taxa named by Kyukichi Kishida
{{Trachelidae-stub