Rhyothemis fuliginosa, also known as the butterfly dragonfly or the butterfly flutterer,[3] is a species of dragonfly of the family Libellulidae found throughout East Asia, in the countries of Japan, China, Taiwan, and the Korean Peninsula.[4][5]
In Japan, R. fuliginosa is known as チョウトンボ (chou-tonbo, 蝶蜻蛉) which directly translates to "butterfly dragonfly."[6] In China and Taiwan, it is known as 黑翅蜻蜓 (Hēi chì qīngtíng), meaning "black-winged dragonfly."[7] In Korea it is also known as 나비잠자리 (Nabi jamjari) meaning "butterfly dragonfly".[8]
Flights occur between the months of June and September.[9][10] They are most active from early summer to the mid-autumn season.[11]
Rhyothemis fuliginosa is a short and stout dragonfly with a body length of 32-41 millimeters in length. The wings are 30–40 mm across and patterned with a deep blue iridescent shade.[11][3] Depending on the viewing angle, the dragonfly's wings can vary in color due to their light scattering properties, with some appearing golden in the light.[4][9] The wing patterns are thought to be a determinant between members of the same species to avoid mating with the incorrect partner.[3]
Males have spots on the tips of their hindwings, a feature that allows differentiation between male and female individuals.[6] Southern Japanese specimens of R. fuliginosa feature spotted forewings and entirely pigmented hindwings.[6]
Rhyothemis fuliginosa is found throughout East Asia, being known to have been spotted in China, Japan, Taiwan, and the Korean Peninsula.[5][4] It has been known to extend its range further south into Vietnam as well.[1]
In Japan the dragonfly is found throughout the main island of Honshu from as far north as Aomori Prefecture and can be found further south into the island of Kyushu's Kagoshima Prefecture. Overall, R. fuliginosa is found throughout the islands of Honshu, Shikoku, and Kyushu.[9] There have been reports of sightings further north into Hokkaido as well.[3] Its range further extends onto the offshore islands off the Japanese mainland, such as Tanegashima.[5][4]
In Mainland China, R. fuliginosa is found in: Guangdong, Hebei, Henan, Hunan, Jiangsu, Jiangxi, Shaanxi, Shandong, Shichuan, and Zhejiang provinces. There are unconfirmed sightings in Hainan province as well.[1]
It is a rare vagrant in Taiwan, with the first sighting of R. fuliginosa being recorded in 2007.[7] Four other members of the genus Rhyothemis are found throughout the island in its absence, Rhyothemis regia, Rhyothemis severini, Rhyothemis triangularis, and Rhyothemis variegata.[12]
The butterfly flutterer prefers inland freshwater wetlands, with a particular interest in wetland regions with aquatic plants. Habitats include: marshes, swamps, permanent freshwater lakes, permanent freshwater marshes, artificial ponds, and aquaculture ponds.[13][1] Flights have been seen to occur in plains, mountainous areas, hills, and satoyama watersides. Because of their flight capabilities, R. fuliginosa adults tend to be able to venture further outside of their wetland habitats.[11] During the evenings, adults venture into the forests to rest in the canopy.[13]
Rhyothemis fuliginosa feeds on flying insects, with mosquitoes being favored as prey.[3]
Mating is short, and egg laying occurs almost immediately following mating. Eggs are deposited by the female on the surface of freshwater bodies.[13][6] R. fuliginosa overwinters as a larva, feeding on small insects.[11]
It has been previously known to exhibit swarming behavior, however as a result of habitat depletion and pollution with insecticide use, there has been significant population decline within Japan.[5][3] Increasing urbanization has resulted visible population decline, with the butterfly flutterer becoming less and less abundant within metropolitan areas.[11][10]
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The species epithet is derived from Latin fuliginosus meaning "sooty." The genus name is derived from Ancient Greek ῥυῆναι, rhyēnai, meaning "having flown," and θέμις, -themis in Ancient Greek, meaning "customary law," a name invoked in many Libellulid genera named by Hermann August Hagen (such as Erythemis or Trithemis). Along with being an epithet which is shared by the Greek goddess of the same name, Themis. Fliedner and Martins suspect during the naming of Rhyothemis by Hagen, the prefix was inspired by the (at the time) recently discovered Rhyolite, a multicolored volcanic rock resembling the iridescent wings exhibited by the genus.[14]
The English language names refer to the Japanese language name, which directly translates to "butterfly dragonfly." The common name refers to the wide, iridescent wings along with the unique fluttering flight the species exhibits which resembles that of a butterfly.[3][9][11] It shares this Japanese common name with the related Rhyothemis variegata, which is known as オキナワチョウトンボ (okinawa chou-tonbo, "Okinawa butterfly dragonfly").[15]
Rhyothemis fuliginosa, also known as the butterfly dragonfly or the butterfly flutterer, is a species of dragonfly of the family Libellulidae found throughout East Asia, in the countries of Japan, China, Taiwan, and the Korean Peninsula.
In Japan, R. fuliginosa is known as チョウトンボ (chou-tonbo, 蝶蜻蛉) which directly translates to "butterfly dragonfly." In China and Taiwan, it is known as 黑翅蜻蜓 (Hēi chì qīngtíng), meaning "black-winged dragonfly." In Korea it is also known as 나비잠자리 (Nabi jamjari) meaning "butterfly dragonfly".
Flights occur between the months of June and September. They are most active from early summer to the mid-autumn season.
Rhyothemis fuliginosa is een libellensoort uit de familie van de korenbouten (Libellulidae), onderorde echte libellen (Anisoptera).[2]
De soort staat op de Rode Lijst van de IUCN als niet bedreigd, beoordelingsjaar 2007, de trend van de populatie is volgens de IUCN stabiel.[1]
De wetenschappelijke naam Rhyothemis fuliginosa is voor het eerst geldig gepubliceerd in 1883 door Selys.
Bronnen, noten en/of referenties
Rhyothemis fuliginosa – gatunek ważki z rodzaju Rhyothemis należącego do rodziny ważkowatych.
Rhyothemis fuliginosa – gatunek ważki z rodzaju Rhyothemis należącego do rodziny ważkowatych.
Rhyothemis fuliginosa là loài chuồn chuồn trong họ Libellulidae. Loài này được Selys mô tả khoa học đầu tiên năm 1883.[1]
,_-Japan,_-15_Aug._2012_a.jpg)
Bài viết về họ chuồn chuồn ngô Libellulidae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
Rhyothemis fuliginosa là loài chuồn chuồn trong họ Libellulidae. Loài này được Selys mô tả khoa học đầu tiên năm 1883.
Rhyothemis fuliginosa
Selys, 1883
Rhyothemis fuliginosa (лат.) — вид стрекоз из семейства настоящих стрекоз (Libellulidae).
Стрекозы средних размеров. Глаза соприкасаются на небольшом промежутке. На втором и третьем сегментах брюшка имеется по одному поперечному ребрышку.
Rhyothemis fuliginosa широко распространен на большей части центрального, южного и восточного Китая (включая Фуцзянь, Хайнань, Хэнань, Хубэй, Хунань, Хупей, Цзянсу, Цзянси, Шандун, Сычуань и Чжэцзян и Шэньси), центральной и южной Японии (включая Хонси, Сикоку, Кюсю и Рюкюс), Кореи и может встречаться во Вьетнаме и Мьянме.
,_-Japan,_-15_Aug._2012_a.jpg)
Rhyothemis fuliginosa (лат.) — вид стрекоз из семейства настоящих стрекоз (Libellulidae).
保全状況評価[1] LEAST CONCERN
分類 界 : 動物界 Animalia 門 : 節足動物門 Arthropoda 綱 : 昆虫綱 Insecta 目 : トンボ目 Odonata 科 : トンボ科 Libellulidae 亜科 : チョウトンボ亜科 Rhyotheminae 属 : チョウトンボ属 Rhyothemis 種 : チョウトンボ R. fuliginosa 学名 Rhyothemis fuliginosaチョウトンボ（蝶蜻蛉 Rhyothemis fuliginosa）はトンボ科に属するトンボの一種である。
翅は青紫色でつけ根から先端部にかけて黒く、強い金属光沢を持つ。前翅は細長く、後翅は幅広い。腹部は細くて短い。腹長は20-25mmほど。出現期は6-9月。羽化は6月中旬ごろから始まる。朝鮮半島、中国に分布し、日本では本州、四国、九州にかけて分布する。おもに平地から丘陵地にかけての植生豊かな池沼などで見られる。チョウのようにひらひらと飛ぶのでこの和名がついている。日本以外にも、近縁種が多数存在する。
,_-Japan,_-15_Aug._2012_a.jpg)
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チョウトンボ（蝶蜻蛉 Rhyothemis fuliginosa）はトンボ科に属するトンボの一種である。
翅は青紫色でつけ根から先端部にかけて黒く、強い金属光沢を持つ。前翅は細長く、後翅は幅広い。腹部は細くて短い。腹長は20-25mmほど。出現期は6-9月。羽化は6月中旬ごろから始まる。朝鮮半島、中国に分布し、日本では本州、四国、九州にかけて分布する。おもに平地から丘陵地にかけての植生豊かな池沼などで見られる。チョウのようにひらひらと飛ぶのでこの和名がついている。日本以外にも、近縁種が多数存在する。
