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Yamagata-shi, Japan

Yoshida H.,Yamagata Prefectural Museum | Koh J.K.H.,Singapore High Commission
Acta Arachnologica | Year: 2011

Eight species of the family Theridiidae are reported from Brunei Darussalam. Phoroncidia lygeana (Walckenaer, 1842) is recorded for the first time and redescribed. Janula Stand, 1932 is revived from the synonymy of Episinus Latreille, 1809. Six new species of Janula, J. bruneiensis, J. bizona, J. bubalis, J. triangularis, J. batman and J. triocellata, are described. Monetoculus Wunderlich, 2008 is newly synonymised with Janula. A new genus, Brunepisinus, is erected based on a new species, B. selirong. © Arachnological Society of Japan.


Takasuka K.,Ehime University | Takasuka K.,Gadjah Mada University | Yoshida H.,Yamagata Prefectural Museum | Nugroho P.,Gadjah Mada University | Matsumoto R.,Osaka Museum of Natural History
Zootaxa | Year: 2011

Zatypota albicoxa (Walker) is newly recorded from Mt. Merapi, Java Is., Indonesia. This is the first record of Z. albicoxa from this part of the Oriental region and from the Southern Hemisphere, and the first record of the genus Zatypota from Southeast Asia. The Indonesian population of Z. albicoxa attacks a theridiid spider of the genus Parasteatoda, as do populations of Z. albicoxa in other regions. The spider is a new species, and is described under the name of Parasteatoda merapiensis. Copyright © 2011.


Yoshida H.,Yamagata Prefectural Museum
Acta Arachnologica | Year: 2011

Three species of theridiid spiders from Japan and Taiwan are transerred from Phoroncidia Westwood, 1835 o Uesanis L Koch, 1872: U. pilula (Karch, 1879), U. nasutus (O. Pickard-Cambrdge, 1873) and U ryukyuenss (Yoshida, 1979), all wih new combinations. Uesanis nasutus is recorded for the t time om Japan and Taiwan and is redescribed on the bass of the material obtained from hose countres General appearances and genital organs of U. ryukyuenss are iusated. Two genera, Stegosoma O Pickard-Cambrdge, 1873 and Sudabe Karch, 1879, are newly synonymized wh Uesanis. © Arachnological Society of Japan.


Yoshida H.,Yamagata Prefectural Museum
Acta Arachnologica | Year: 2012

A new species of the family Theridiidae is described from Mt. Merapi, Java, Indonesia, under the name of Yunohamella takasukai.


Yoshida H.,Yamagata Prefectural Museum
Acta Arachnologica | Year: 2014

A new species belonging to the famiiy Araneidae is described from Hahajima Island, the Ogasawara Islands, Japan, under the name, Araneus yoshitomii. © A rachnological Society of Japan.

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