Species information Scientific name: Vescelia pieli ryukyuensisJapanese name: リュウキュウサワマツムシChinese name: 琉球擬亮蟋、比爾擬亮蟋琉球亞種、皮爾氏亮蟋琉球亞種English name: Ryukyu stream cricketOrigin: Amamioshima, Tokunoshima, Okinawajima, Kumejima, Ishigakijima, Iriomotejima Ecology and description In streamside environments of Okinawajima and other islands, the clear and high-pitched calls of the Ryukyu stream cricket can often be heard. These sounds are courtship calls produced by males rubbing… Continue reading Ryukyu Stream Cricket
Author: YambaruWanyu
Ryukyu Golden Emperor Moth
Loepa sakaei Japanese Name: ハグルマヤママユChinese Name: 琉球黃豹天蠶蛾English Name: Ryukyu Golden Emperor MothOrigin: Okinawajima, Tokunoshima, Amamioshima This is a large and very beautiful moth species with a wingspan of about 8 cm. It can be observed from March to October, though sightings are rare due to its low population density. The larval host plant is Actinidia… Continue reading Ryukyu Golden Emperor Moth
Ryukyu Matrona Damselfly
Matrona japonica Japanese Name: リュウキュウハグロトンボChinese Name: 琉球羽黑蜻蛉、琉球單脈色蟌English Name: Ryukyu Matrona DamselflyOrigin: Okinawajima, Tokunoshima, Amamioshima The Ryukyu Matrona Damselfly is a large damselfly species commonly seen in the Yambaru region. It was once considered a subspecies of Matrona basilaris, which is distributed in China and surrounding areas, but has since been recognized as a distinct species.… Continue reading Ryukyu Matrona Damselfly
Stimpson’s Skink
Plestiodon stimpsonii Plestiodon stimpsoniiJapanese Name: イシガキトカゲChinese Name: 石垣石龍子English Name: Stimpson’s SkinkOrigin: Iriomotejima, Ishigakijima, Taketomijima, Kuroshima, Kohamajima, Haterumashima Stimpson’s Skink is a medium-sized skink found throughout the Yaeyama Islands. It can be observed in a wide range of habitats, from coastal areas to mountain forests. The species name stimpsonii honors the American zoologist William Stimpson.
Kishinoue’s Giant Skink
Plestiodon kishinouyei Japanese Name: キシノウエトカゲChinese Name: 岸上石龍子English Name: Kishinoue Giant SkinkOrigin: Miyako Islands, Yaeyama Island The Kishinoue’s Giant Skink is the largest skink in Japan, reaching up to 40 cm in total length. It inhabits open secondary forests. The species name kishinouyei honors the Japanese ichthyologist Kamakichi Kishinouye.
Sakishima Ground Skink
Scincella boettgeri Japanese Name: サキシマスベトカゲChinese Name: 先島滑蜥English Name: Sakishima Ground SkinkOrigin: Miyako Islands and Yaeyama Islands (excluding Yonagunijima) This small lizard inhabits the forest floor and is highly secretive, making it difficult to observe in the wild.
Iwasaki’s Slug Snake
Pareas iwasakii Japanese name: イワサキセダカヘビChinese name: 岩崎鈍頭蛇English name: Iwasaki’s Slug SnakeOrigin: Ishigaki Island, Iriomote Island This is the only species of the genus Pareas found in Japan. It occurs on Ishigaki and Iriomote Islands but is rarely seen due to its low population density. Its primary diet consists of snails. The species name iwasakii honors… Continue reading Iwasaki’s Slug Snake
Pryer’s Keelback Snake
Species information Scientific name: Hebius pryeriJapanese name: ガラスヒバァChinese name: 普氏腹鍊蛇、沖繩腹鍊蛇English name: Pryer’s keelback snakeOrigin: Okinawa Islands, Amami Islands Ecology and description Pryer’s keelback snake primarily feeds on frogs. It is often found near streams, irrigation channels, and rice paddies, and is commonly seen on roads during or after rain, where it scavenges road-killed frogs. Unfortunately,… Continue reading Pryer’s Keelback Snake
Ryukyu Green Snake
Cyclophiops semicarinatus Japanese name: リュウキュウアオヘビChinese name: 琉球青蛇English name: Ryukyu Green SnakeOrigin: Amami Islands, Okinawa Islands, Takarajima and Kodakarajima (Tokara Islands) The Ryukyu Green Snake grows to about 70–80 cm in length. Compared to the bright green coloration of the green snake found in Mainland China and Taiwan (Cyclophiops major), this species usually appears deep green… Continue reading Ryukyu Green Snake
Yaeyama Yellow-margined Box Turtle
Cuora flavomarginata evelynae Japanese Name: ヤエヤマセマルハコガメChinese Name: 八重山食蛇龜English Name: Yaeyama Yellow-margined Box TurtleOrigin: Ishigaki, Iriomote The Yaeyama Yellow-margined Box Turtle is a subspecies of the Yellow-margined Box Turtle, native to the Yaeyama Islands. Its population is declining due to habitat destruction and illegal collection. Since the 1970s, this species has also been found on Okinawa… Continue reading Yaeyama Yellow-margined Box Turtle