scholarly journals The crab spider genus Uraarachne Keyserling (Araneae: Thomisidae) in Argentina: a proposal of its senior synonymy over Plancinus Simon, and description of four new species.

2020 ◽  
Vol 22 ◽  
pp. 91-130
Author(s):  
Cristian Grismado ◽  
Helga Cecilia Achitte-Schmutzler
Keyword(s):  
New Species ◽  
Crab Spider

The crab spider genus Tarrocanus Simon, 1895 with notes on the generaAlcimochthes Simon, 1895 and Domatha Simon, 1895 (Araneae:Thomisidae)

Zootaxa ◽  
2019 ◽  
Vol 4613 (3) ◽  
pp. 587
Author(s):  
ILESHA S. ILEPERUMA ARACHCHI ◽  
SURESH P. BENJAMIN
Keyword(s):  
New Species ◽  
Field Work ◽  
Nomen Dubium ◽  
Close Relatives ◽  
Crab Spider ◽  
First Time ◽  
A New Species

The crab spider genus Tarrocanus Simon, 1895 currently includes two species: T. capra Simon, 1895 and T. viridis Dyal, 1935. Recent field work revealed the presence of a new species, providing an opportunity to review the genus. The new species is described as T. jaffnaensis sp. nov. Furthermore, the male of T. capra is described for the first time, and taxonomic notes on Alcimochthes Simon, 1885 and Domatha Simon, 1895 are given, both presumably being close relatives of Tarrocanus. Tarrocanus viridis Dyal, 1935 is considered as nomen dubium. 

Two new species of the genus Oxytate from China (Araneae: Thomisidae)

Zootaxa ◽  
2017 ◽  
Vol 4320 (1) ◽  
pp. 193 ◽  
Author(s):  
KEKE LIU ◽  
JIHE LIU ◽  
XIANG XU
Keyword(s):  
New Species ◽  
Spider Species ◽  
Two New Species ◽  
Crab Spider

Two new crab spider species from China are diagnosed, described and illustrated: Oxytate bicornis sp. nov. from Jiangxi and Oxytate palmata sp. nov. from Guangxi. The total number of the known species of Oxytate from China rises to 13 with the addition of two new species described in the present paper. 

XYSTICUS ARCHAEOPALPUS (ARACHNIDA: THOMISIDAE), A NEW SPECIES OF CRAB SPIDER FROM PLIOCENE SEDIMENTS IN WESTERN ALASKA

1971 ◽  
Vol 103 (9) ◽  
pp. 1337-1340 ◽  
Author(s):  
Robin Leech ◽  
John V. Matthews
Keyword(s):  
New Species ◽  
Environmental Conditions ◽  
Extant Species ◽  
Crab Spider ◽  
Insect Fossils ◽  
A New Species

AbstractThe palpus of a fossil crab spider, Xysticus archaeopalpus new species, is described. It was found in peat beds of the Lava Camp Mine near Deering, Alaska. This species belongs in the loculpes group, and is closely related to the extant species, Xysticus britcheri Gertsch. The peats are overlaid by basalt dating 5.7 million years old by the K/Ar method. Regional and local paleo-environmental conditions, based on evidence provided by plant and insect fossils, are discussed.

Revision of the Afrotropical crab-spider genus Parabomis Kulczyński, 1901 (Araneae: Thomisidae)

Zootaxa ◽  
2020 ◽  
Vol 4899 (1) ◽  
pp. 161-174
Author(s):  
ANNA S. DIPPENAAR-SCHOEMAN ◽  
STEFAN H. FOORD
Keyword(s):  
South Africa ◽  
New Species ◽  
Type Species ◽  
Junior Synonym ◽  
The South ◽  
The North ◽  
Crab Spider

The Afrotropical spider genus Parabomis Kulczyński, 1901 is revised. Members of Parabomis are some of the smallest thomisids known, and occur from Eritrea in the north of Africa to South Africa in the south, but are absent from Madagascar. Prior to this study, three species were known, namely P. levanderi Kulczyński, 1901 (Eritrea, ♂), P. martini Lessert, 1919 (Tanzania, ♂♀) and P. anabensis Lawrence, 1928 (Namibia, ♀). Parabomis anabensis sp. nov. is here recognized as a junior synonym of P. martini and four new species are described: P. elsae sp. nov. from South Africa (♂♀), P. megae sp. nov. from Zimbabwe (♂♀), P. pilosus sp. nov. from Botswana (♂♀) and P. wandae sp. nov. from Ghana (♂♀). A key to the six species is provided. The monotypic Afrotropical genus Felsina Simon, 1895, only known from its type species, F. granulum Simon, 1895, resembles Parabomis closely is known only from juveniles. 

On the crab spider genus Angaeus Thorell, 1881 and its junior synonym Paraborboropactus Tang and Li, 2009 (Araneae: Thomisidae)

Zootaxa ◽  
2013 ◽  
Vol 3635 (1) ◽  
pp. 71-80 ◽  
Author(s):  
SURESH P. BENJAMIN
Keyword(s):  
New Species ◽  
Type Species ◽  
Junior Synonym ◽  
Morphological Comparison ◽  
Male And Female ◽  
New Synonyms ◽  
Fresh Material ◽  
Crab Spider ◽  
A New Species

Morphological comparison of the genera Angaeus Thorell, 1881 and Paraborboropactus Tang and Li, 2009 (Araneae: Thomisidae) shows that the latter should be relegated to a junior synonym of the former. Further, I propose the following new synonyms: Angaeus leucomenus (Thorell, 1895), Stephanopis weyersi Simon, 1899 and Paraborboropactus leguminaceus Tang and Li, 2009 = Angaeus rhombifer Thorell, 1890 syn. nov., Paraborboropactus oblatus Tang and Li, 2010 = Angaeus lenticulosus Simon, 1903 syn. nov. The following species are transferred from Paraborboropactus: Angaeus canalis (Tang & Li, 2010) comb. nov., Angaeus liangweii (Tang & Li, 2010) comb. nov., Angaeus rhombus (Tang & Li, 2009) comb. nov. and Angaeus zhengi (Tang & Li, 2009) comb. nov. The holotype of Angaeus pudicus (type species of the genus) is illustrated, and the male and female of Angaeus rhombifer are redescribed and illustrated based partly on fresh material from Singapore. A new species, Angaeus christae sp. nov. is described based on both sexes, and a syntype of Angaeus comatulus Simon, 1909 is illustrated.

A new species of Angaeus from Malaysia with possible affinity to related genera within Stephanopinae (Araneae: Thomisidae)

Zootaxa ◽  
2017 ◽  
Vol 4337 (2) ◽  
pp. 297
Author(s):  
SURESH P. BENJAMIN
Keyword(s):  
New Species ◽  
Unusual Feature ◽  
Tropical Asia ◽  
Crab Spider ◽  
A New Species ◽  
General Appearance

The crab spider genus Angaeus Thorell, 1881 currently contains 10 described species (Benjamin 2013; WSC 2017). All species of the genus are restricted to tropical Asia. The aim of this correspondence is to illustrate and describe a new species of the genus characterized by a number of features previously found in the genera Angaeus, Borboropactus Simon, 1884, Epidius Thorell, 1877 and Geraesta Simon, 1889. The most unusual feature is the elongated tibia of the male palp that was previously thought to be diagnostic of Epidius (Figs 1, 2, 8; character 1 in Benjamin 2011; Benjamin 2017). However, the new species lacks tibial macrosetae (Figs 1, 2, 8) and lacks a flexibly attached MA, both also being characteristics of Epidius (characters 2 and 18 in Benjamin 2011). Furthermore, this new species differs considerably in general appearance from all known species of Epidius. 

There and back again: More on the taxonomy of the crab spiders genus Epicadus (Thomisidae: Stephanopinae)

Zootaxa ◽  
2018 ◽  
Vol 4382 (3) ◽  
pp. 501 ◽  
Author(s):  
MIGUEL MACHADO ◽  
RENATO AUGUSTO TEIXEIRA ◽  
ARNO ANTONIO LISE
Keyword(s):  
New Species ◽  
Geographical Distribution ◽  
Cladistic Analysis ◽  
Two New Species ◽  
Taxonomic History ◽  
Males And Females ◽  
Crab Spider ◽  
First Time ◽  
Crab Spiders ◽  
Eleven Species

The Neotropical crab spider genera Tobias Simon, 1895 and Epicadus Simon, 1895 comprise species with remarkable somatic morphology and confounding taxonomic history. The results of our recent cladistic analysis corroborate and extend preceding taxonomic assumptions in showing that Tobias is a junior synonym of Epicadus. In the present paper the six species recently transferred from Tobias to Epicadus are redescribed. Two new species are described based on both males and females: Epicadus dimidiaster sp. nov. and Epicadus tigrinus sp. nov.; the male of Epicadus granulatus Banks, 1909 is described for the first time. The diagnosis of the genus is revised, an identification key is provided, and information on geographical distribution is updated. Epicadus now comprises eleven species. 

A new species of the selenopid crab-spider genus Selenops Latreille, 1819 (Araneae: Selenopidae) from Guerrero, Mexico

Zootaxa ◽  
2007 ◽  
Vol 1449 (1) ◽  
pp. 65-68 ◽  
Author(s):  
ALEJANDRO VALDEZ MONDRAGÓN
Keyword(s):  
New Species ◽  
New Mexico ◽  
North America ◽  
South America ◽  
Tropical Plants ◽  
Flat Surfaces ◽  
The World ◽  
Tropical Areas ◽  
Crab Spider ◽  
A New Species

The spider family Selenopidae Simon, 1897 consist of four genera, of which Selenops Latreille, 1819 has about 110 species in tropical to temperate regions around the world (Platnick 2007). The distribution of this genus in America is from Argentina and Paraguay in South America, northward through tropical and subtropical America to Florida, Texas, New Mexico, Arizona, and southern California in North America (Muma 1953). These spiders can be found in different habitats, from dry desert and chaparral to tropical areas. They are typically found under rocks and other objects on the ground, occasionally inside tree trunks, and between the bases of the leaves of tropical plants. They also occur in the entrances of caves, on flat surfaces and in narrow cracks and crevices. They are commonly found inside human habitations. Their flattened body allows them to slide into these cracks with very fast movements, which makes their collection in the field difficult. They are nocturnal and do not build webs (Muma 1953).

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