''Tidarren'' 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 ...
of
tangle-web spiders first described by
Ralph Vary Chamberlin &
Wilton Ivie in 1934.
Males are much smaller than females, and they amputate one of their palps before maturation, entering their adult life with only one palp. Though it is uncertain why they do this, it may be done to increase mobility, as the palps are disproportionately large compared to the size of the body. It may also be done because only one palp is needed.
Females of the
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 ...
i species ''
T. argo'' tear off the single remaining palp before feeding on males. The palp remains attached to the female's epigynum for about four hours, continuing to function despite being separated from the male's body.
Species
it contains twenty-four species:
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Tidarren aethiops
''Tidarren'' is a genus of tangle-web spiders first described by Ralph Vary Chamberlin & Wilton Ivie in 1934.
Males are much smaller than females, and they amputate one of their palps before maturation, entering their adult life with only one p ...
''
Knoflach & van Harten, 2006 — Congo
*''
Tidarren afrum
''Tidarren'' is a genus of tangle-web spiders first described by Ralph Vary Chamberlin & Wilton Ivie in 1934.
Males are much smaller than females, and they amputate one of their palps before maturation, entering their adult life with only one p ...
''
Knoflach & van Harten, 2006 — Cameroon, Uganda
*''
Tidarren apartiolum''
Knoflach & van Harten, 2006 — Madagascar
*''
Tidarren argo
''Tidarren argo'' is a spider from Yemen. The species is remarkable by its male amputating one of its palps before maturation and entering his adult life with one palp only. It adopts exceptional copulatory behaviour: when the male achieves genit ...
''
Knoflach & van Harten, 2001 — Yemen, Chad
*''
Tidarren circe''
Knoflach & van Harten, 2006 — Namibia
*''
Tidarren cuneolatum''
(Tullgren, 1910) — Cape Verde Is., Canary Is., Africa, Yemen
*''
Tidarren dasyglossa''
Knoflach & van Harten, 2006 — Madagascar
*''
Tidarren dentigerum''
Knoflach & van Harten, 2006 — Yemen
*''
Tidarren ephemerum''
Knoflach & van Harten, 2006 — Madagascar
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Tidarren gracile''
Knoflach & van Harten, 2006 — Yemen
*''
Tidarren griswoldi''
Knoflach & van Harten, 2006 — Cameroon
*''
Tidarren haemorrhoidale''
(Bertkau, 1880) — USA to Argentina
*''
Tidarren horaki''
Knoflach & van Harten, 2006 — Madagascar
*''
Tidarren konrad''
Knoflach & van Harten, 2006 — Yemen
*''
Tidarren lanceolatum''
Knoflach & van Harten, 2006 — Congo
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Tidarren levii''
Schmidt, 1957 — Congo
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Tidarren mixtum''
(O. Pickard-Cambridge, 1896) — Mexico to Costa Rica
*''
Tidarren obtusum''
Knoflach & van Harten, 2006 — Madagascar
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Tidarren perplexum''
Knoflach & van Harten, 2006 — Cameroon, Congo
*''
Tidarren scenicum''
(Thorell, 1899) — Cameroon, Guinea-Bissau, Ivory Coast, South Africa
*''
Tidarren sheba''
Knoflach & van Harten, 2006 — Yemen
*''
Tidarren sisyphoides''
(Walckenaer, 1841) — USA to Argentina, Caribbean
*''
Tidarren ubickorum''
Knoflach & van Harten, 2006 — South Africa
*''
Tidarren usambara''
Knoflach & van Harten, 2006 — Tanzania
References
External links
Theridiidae
Araneomorphae genera
Taxa named by Ralph Vary Chamberlin
Taxa named by Wilton Ivie
{{Theridiidae-stub