Brown-winged Tiger Spiketail

Species information Scientific name: Chlorogomphus brunneusJapanese name: カラスヤンマChinese name: 褐翅斑蜓、褐翅裂唇蜓English name: Brown-winged tiger spiketailOrigin: Japan (Shikoku, Kyushu), Amami Oshima, Tokunoshima, Okinawajima, Kerama Islands Ecology and description This species is a large dragonfly. Males have nearly transparent wings, while females have deep brown wings and are often seen flying swiftly in the upper reaches of streams.… Continue reading Brown-winged Tiger Spiketail

Oshima Cicada

Species information Scientific name: Meimuna oshimensisJapanese name: オオシマゼミChinese name: 大島寒蟬English name: Oshima cicadaOrigin: Amami Oshima, Tokunoshima, Okinawajima, Kumejima Ecology and description Oshima cicada is the most representative autumn cicada in Yambaru and is the largest species among the Japanese Meimuna. Its habitat ranges from Amami Oshima to Okinawajima, with the specific name Oshimensis referring to… Continue reading Oshima Cicada

Okinawa Spiny Rat

Species information Scientific name: Tokudaia muenninkiJapanese name: オキナワトゲネズミChinese name: 沖繩裔鼠English name: Okinawa spiny ratOrigin: Northern Okinawajima Ecology and description Okinawa spiny rat’s close relatives include the Amami spiny rat (Tokudaia osimensis), found on Amami Oshima, and the Tokunoshima spiny rat (Tokudaia tokunoshimensis), found on Tokunoshima. Among the three, the Tokunoshima spiny rat is the largest… Continue reading Okinawa Spiny Rat

Forest Quaker

Species information Scientific name: Pithecops corvusJapanese name: リュウキュウウラボシシジミChinese name: 黑丸灰蝶English name: Forest Quaker, Pithecops corvusOrigin: Southeast Asia, southern China, Taiwan. In Japan, it is only found on Okinawajima and Iriomote. Ecology and description Forest Quaker is a small lycaenid butterfly, characterized by a black circular spot on its hindwings. The larvae feed on plants of… Continue reading Forest Quaker

Ryukyu Blue Banded Bee

Species information Scientific name: Amegilla calceiferaJapanese name: アオスジコシブトハナバチChinese name: 甜無墊蜂English name: Ryukyu blue banded beeOrigin: Amami Oshima to Yonaguni Ecology and description Ryukyu blue banded bee has striking blue stripes on its abdomen and does not build beehives. Male bees rest at night by clamping onto branches with their mandibles. Field photographs taken during our… Continue reading Ryukyu Blue Banded Bee

Ryukyu Damselfly

Species information Scientific name: Coeliccia ryukyuensis ryukyuensisJapanese name: リュウキュウルリモントンボChinese name: 琉球琵蟌、琉球琵蟌沖繩亞種English name: Ryukyu damselfly, Coeliccia ryukyuensis ryukyuensisOrigin: Okinawajima (endemic subspecies) Ecology and description This species is endemic to Okinawajima and the Amami Islands. Another subspecies is found in Amami Oshima and Tokunoshima: Amami damselfly (アマミルリモントンボ, Coeliccia ryukyuensis amamii). The 9th and 10th abdominal segments of… Continue reading Ryukyu Damselfly

Okinawa Tiger Beetle

Species information Scientific name: Sophiodela okinawanaJapanese name: オキナワハンミョウChinese name: 沖繩虎甲蟲English name: Okinawa tiger beetleOrigin: Okinawajima Ecology and description This species is an endemic tiger beetle of Okinawa, with populations on Ishigaki Island being artificially introduced. Tiger beetles are carnivorous insects that prey on ants, earthworms, and other small creatures. Field photographs taken during our tours,… Continue reading Okinawa Tiger Beetle

Ryukyu Fishing Spider

Species information Scientific name: Dolomedes orionJapanese name: オオハシリグモChinese name: 大狡蛛English name: Ryukyu fishing spiderOrigin: Tokara Islands, Amami Oshima, Tokunoshima, Okinawajima, Tokashikijima, Kumejima Ecology and description Ryukyu fishing spider is the largest hunting-type spider in Japan, and it hunts by the waterside without building a web. Ryukyu fishing spider lightly touches the water surface with its… Continue reading Ryukyu Fishing Spider

Grey-faced Buzzard

Species information Scientific name: Butastur indicusJapanese name: サシバChinese name: 灰面鵟鷹、灰面鷲English name: Grey-faced BuzzardOrigin: Breeds in Russia, China, Korea, and Honshu, Japan. Migrates to Southeast Asia for winter. Ecology and description Grey-faced Buzzard migrates through the Ryukyu Islands from breeding grounds in Honshu, Japan, and other regions, heading to Southeast Asia by early October. Flocks of… Continue reading Grey-faced Buzzard

Small Indian Mongoose

Species information Scientific name: Herpestes auropunctatusJapanese name: マングース、フイリマングースChinese name: 紅頰獴English name: Small Indian mongooseOrigin: Northern South Asia Ecology and description In 1910, Okinawa introduced the non-native Small Indian mongoose to control Habu snakes and rats. The Small Indian mongoose spread rapidly and expanded its territory, posing a significant threat to Okinawa rail as it reached… Continue reading Small Indian Mongoose