Orthetrum borneense | |
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Species: | O. borneense |
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Orthetrum borneense (Kimmins, 1936) | |
Orthetrum borneense is a freshwater dragonfly species, native to Sarawak region in Malaysia. It is only known from 10 type species collected on Mount Dulit. Due to massive deforestation, the only information about its habitat is a supposition that it breeds in forest pools. [1]
A dragonfly is an insect belonging to the order Odonata, infraorder Anisoptera. Adult dragonflies are characterized by large, multifaceted eyes, two pairs of strong, transparent wings, sometimes with coloured patches, and an elongated body. Dragonflies can be mistaken for the related group, damselflies (Zygoptera), which are similar in structure, though usually lighter in build; however, the wings of most dragonflies are held flat and away from the body, while damselflies hold the wings folded at rest, along or above the abdomen. Dragonflies are agile fliers, while damselflies have a weaker, fluttery flight. Many dragonflies have brilliant iridescent or metallic colours produced by structural coloration, making them conspicuous in flight. An adult dragonfly's compound eyes have nearly 24,000 ommatidia each.
Sarawak is a state of Malaysia. The largest among the 13 states, with an area almost equal to that of Peninsular Malaysia, Sarawak is located in northwest Borneo Island, and is bordered by the Malaysian state of Sabah to the northeast, Kalimantan to the south, and Brunei in the north. The capital city, Kuching, is the largest city in Sarawak, the economic centre of the state, and the seat of the Sarawak state government. Other cities and towns in Sarawak include Miri, Sibu, and Bintulu. As of the 2015 census, the population of Sarawak was 2,636,000. Sarawak has an equatorial climate with tropical rainforests and abundant animal and plant species. It has several prominent cave systems at Gunung Mulu National Park. Rajang River is the longest river in Malaysia; Bakun Dam, one of the largest dams in Southeast Asia, is located on one of its tributaries, the Balui River. Mount Murud is the highest point in Sarawak.
Malaysia is a country in Southeast Asia. The federal constitutional monarchy consists of 13 states and three federal territories, separated by the South China Sea into two similarly sized regions, Peninsular Malaysia and East Malaysia. Peninsular Malaysia shares a land and maritime border with Thailand and maritime borders with Singapore, Vietnam, and Indonesia. East Malaysia shares land and maritime borders with Brunei and Indonesia and a maritime border with the Philippines and Vietnam. Kuala Lumpur is the national capital and largest city while Putrajaya is the seat of federal government. With a population of over 30 million, Malaysia is the world's 44th most populous country. The southernmost point of continental Eurasia, Tanjung Piai, is in Malaysia. In the tropics, Malaysia is one of 17 megadiverse countries, with large numbers of endemic species.
The keeled skimmer, Orthetrum coerulescens, is a species of dragonfly belonging to the family Libellulidae.
Orthetrum is a genus of dragonflies in the Libellulidae family. It is a very large genus.
Orthetrum abbotti is a species of dragonfly in the family Libellulidae. Common names include little skimmer and Abbott's skimmer
Orthetrum chrysostigma, the epaulet skimmer, is a species of dragonfly in the family Libellulidae. It is found in Algeria, Angola, Benin, Botswana, Burkina Faso, Cameroon, Central African Republic, Chad, the Democratic Republic of the Congo, Ivory Coast, Egypt, Equatorial Guinea, Ethiopia, Gambia, Ghana, Guinea, Kenya, Liberia, Libya, Malawi, Mali, Mauritania, Morocco, Mozambique, Namibia, Niger, Nigeria, Senegal, Sierra Leone, Somalia, South Africa, Sudan, Tanzania, Togo, Uganda, Zambia, Zimbabwe, and possibly Burundi as well as Canary Islands, Israel, and Portugal. It was recently recorded in the Maltese Islands in 2010.
Orthetrum julia, the Julia skimmer is a species of dragonfly in the family Libellulidae.
Orthetrum machadoi, common name highland skimmer or Machado's skimmer, is a species of dragonfly in the family Libellulidae. It is found in Angola, Botswana, Cameroon, the Democratic Republic of the Congo, Ethiopia, Kenya, Malawi, Mozambique, Namibia, Sierra Leone, South Africa, Tanzania, Uganda, Zambia, Zimbabwe, and possibly Burundi. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical dry shrubland, subtropical or tropical moist shrubland, rivers, shrub-dominated wetlands, swamps, freshwater marshes, and intermittent freshwater marshes.
Orthetrum rubens is a species of dragonfly in the family Libellulidae. It is endemic to South Africa. Its natural habitat is rivers. It is threatened by habitat loss.
Orthetrum sabina, the slender skimmer or green marsh hawk, is a species of dragonfly in the family Libellulidae. It is widespread, being found from south-eastern Europe and North Africa to Japan and south to Australia and Micronesia.
Orthetrum pruinosum, the crimson-tailed marsh hawk, is a species of dragonfly in the family Libellulidae. It is a widespread species occurring from west India to Japan and south to Java and the Sunda Islands. A molecular phylogenetics study of Orthetrum dragonflies revealed that Orthetrum pruinosum is a cryptic species.
Orthetrum balteatum is a freshwater dragonfly species in the family Libellulidae, present in northern Australia and New Guinea. Kalkman, V. 2009. Orthetrum balteatum. IUCN Red List of Threatened Species. Version 2012.2. International Union for Conservation of Nature. Retrieved 21 May 2013.</ref> The common name for this species is speckled skimmer.
Orthetrum albistylum is a dragonfly species, which occurs from central and south Europe to China and Japan. Its distribution is often patchy but in many areas it is common. The species has recently spread its range northwards to the Baltic Sea coast in Poland. The common name for this species is white-tailed skimmer.
Orthetrum sagitta is a freshwater dragonfly species present in Africa. Its appearance is confirmed only in Sierra Leone, the records from Chad, Egypt, Nigeria and Sudan appear as misidentification. The common name for this species is Arrow Skimmer.
Orthetrum taeniolatum is an Asian freshwater dragonfly species. The common name for this species is small skimmer. Its range of distribution spreads from eastern Europe to China, and the species itself is locally common throughout the range.
Orthetrum serapia known as the green skimmer is a freshwater dragonfly in the Libellulidae family. The serapia species is present in Australia, the Philippines, Fiji, Papua New Guinea and Solomon Islands. It inhabits a wide range of still and sluggish waters, often shallow. In Australia it ranges from the top end of the Northern Territory to about Mackay in central Queensland.
Orthetrum boumiera is a freshwater dragonfly species in the family Libellulidae, endemic to eastern Australia, where it inhabits dune lakes. The common name for this species is brownwater skimmer.
Orthetrum robustum is a freshwater dragonfly species, which occurs in Botswana, Namibia, South Africa and Zambia. The common name for this species is robust skimmer. It breeds inreedy swamps and woodland close to such swamps.
Orthetrum latihami, is an African freshwater dragonfly species. Due to its scarce distribution, the range of species can only be described as central African.
Orthetrum testaceum is an Asian freshwater dragonfly species. It is distributed throughout India, Indonesia, Malaysia, Philippines, Singapore and Thailand. One subspecies has been described, Orthetrum testaceum soembanum.
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