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.
Pseudomuscari azureum, the azure grape hyacinth, is a species of flowering plant in the family Asparagaceae, native to Turkey. A bulbous perennial, it is grown in gardens for its spring flowers. The specific epithet azureum means "bright blue", a reference to its flower colour.
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 triangulare is an Asian freshwater dragonfly species. The common name for this species is blue-tailed forest hawk. Two subspecies of Orthetrum triangulare are currently recognised, the nominate subspecies and O. t. malaccense.
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 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 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.
