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Acta Arachnologica Vol. 66(2017) No. 1

Original Articles

A new species of Zygiella from Amami-ôshima Island, Japan (Araneae: Araneidae)

Akio Tanikawa

Released: September 11, 2017

p.1-4

A new araneid species Zygiella hiramatsui n. sp. is described using specimens obtained from Amami-ôshima Island, Japan. This species can be distinguished from allied Z. dispar by the much wider median area of the epigyne, or an unnamed apophysis neighboring the embolus that is short and truncated and a horn shaped apophysis of the tegulum in the male palp. It is uncommon for Zygiella spiders to inhabit subtropical regions, but this is the case for Z. hiramatsui n. sp. So it might be introduced previously into Amami-ôshima Is. from unknown habitat.

Uloborus plumipes and Dipoena pelorosa (Araneae: Uloboridae, Theridiidae): two newly recorded spiders in Japan

Akio Tanikawa

Released: September 11, 2017

p.5-8

Two spider species, Uloborus plumipes Lucas 1846 and Dipoena pelorosa Zhu 1998, have been newly recorded in Japan. Uloborus plumipes is widespread throughout the old world, but was not previously found in Japan. Dipoena pelorosa was found only in China.

A new species of Ananteris (Scorpiones: Buthidae) from Caatinga biome, Brazil

André Felipe de Araujo Lira, Laís Macedo Pordeus, Cleide Maria Ribeiro de Albuquerque

Released: September 11, 2017

p.9-15

We describe a new species of scorpion from the Caatinga of the state of Pernambuco, Brazil. Ananteris otavianoi sp. nov. can be distinguished from other Ananteris by the following combination of characters: blackish brown spots up to the medial surface of the chelicerae; pectinal tooth count and some structures measurements. In addition, data on natural history are showed and discussed.

A new record of the wall spider, Oecobius marathaus (Araneae: Oecobiidae), from Japan

Yuki G. Baba, Suguru Ohno, Ukuda-Hosokawa Rie, Akio Tanikawa

Released: September 11, 2017

p.17-18

Full Text PDF[882K]

Second record of the genus Troglokhammouanus Lourenço 2007 from Laos, with the description of a new species (Scorpiones: Pseudochactidae)

Wilson R. Lourenço

Released: September 11, 2017

p.19-24

A new species of scorpion belonging to the genus Troglokhammouanus Lourenço 2007 (family Pseudochactidae) is described on the basis of a female collected in Tham Nam Lot cave, Khammouane Province, Laos. This represents the second known record of a scorpion of the genus Troglokhammouanus, which is only known from Laos.

Rediscovery of Piranthus decorus Thorell 1895 (Araneae: Salticidae) after 122 years since the original description

John T. D. Caleb, Rajesh V. Sanap

Released: September 11, 2017

p.25-29

Piranthus decorus Thorell 1895 is recorded for the first time in India. This species has never been rediscovered for 122 years since it was described as a new genus and species. Detailed diagnostic illustrations and photographs are provided along with map.

A new species of the genus Anyphaena (Araneae: Anyphaenidae) from Japan

Yuki G. Baba, Akio Tanikawa

Released: September 11, 2017

p.31-33

A new species of the spider genus Anyphaena (Araneae: Anyphaenidae), Anyphaena yoshitakei sp. nov., is described on the basis of specimens obtained from the Ryukyu Islands, Japan. The male palpal structure of this species is similar to those of males of A. taiwanensis and A. pugil, but this species can be distinguished by the lack of palpal femur spines. The female can be easily distinguished from females of Asian congeneric species by the shape of the longitudinal middle furrow of the epigyne.

[title in Japanese]

[in Japanese]

Released: September 11, 2017

p.35-41

Full Text PDF[1548K]

1 - 8 / 8 Articles.

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Back Issues

Volume And Issue List
Acta Arachnologica

Acta Arachnologica Vol. 66(2017) No. 1

Original Articles

A new species of Zygiella from Amami-ôshima Island, Japan (Araneae: Araneidae)

Uloborus plumipes and Dipoena pelorosa (Araneae: Uloboridae, Theridiidae): two newly recorded spiders in Japan

A new species of Ananteris (Scorpiones: Buthidae) from Caatinga biome, Brazil

A new record of the wall spider, Oecobius marathaus (Araneae: Oecobiidae), from Japan

Second record of the genus Troglokhammouanus Lourenço 2007 from Laos, with the description of a new species (Scorpiones: Pseudochactidae)

Rediscovery of Piranthus decorus Thorell 1895 (Araneae: Salticidae) after 122 years since the original description

A new species of the genus Anyphaena (Araneae: Anyphaenidae) from Japan

[title in Japanese]

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Volume And Issue List Acta Arachnologica

Acta Arachnologica Vol. 66(2017) No. 1

Original Articles

System Maintenance

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Volume And Issue List
Acta Arachnologica