The influence of altitude on the distribution of family of syrphids - Boukria, Daoud
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Syrphids or Hoverflies or Flowerflies are widespread Diptera in the world. They are one of the largest families with more than 6000 species, this family whose size varies from a few millimeters to 24 mm is easily recognizable on the ground, because of its particular flight by doing the on-site. Syrphids can be found in almost all terrestrial environments except cavernicolous, from sea-level to over 3000 m altitude and from the equator north of the Arctic Circle. Adults are mostly sun-loving, looking for sunshine in an open environment (meadows, edges of fields, gardens, edges ...), some…mehr

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Produktbeschreibung
Syrphids or Hoverflies or Flowerflies are widespread Diptera in the world. They are one of the largest families with more than 6000 species, this family whose size varies from a few millimeters to 24 mm is easily recognizable on the ground, because of its particular flight by doing the on-site. Syrphids can be found in almost all terrestrial environments except cavernicolous, from sea-level to over 3000 m altitude and from the equator north of the Arctic Circle. Adults are mostly sun-loving, looking for sunshine in an open environment (meadows, edges of fields, gardens, edges ...), some species looking for it typically at the edge of forest (Xylota segnis), others looking for sunny spots under the forest cover (Baccha elongata). Other species, particularly those of the genus Sphegina (Chrysogasterini tribe), are found preferentially in biotopes normally not very attractive to syrphids: in humid and dark forest environments.
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Autorenporträt
Daoud Boukria, Né le 28/02/1982 à Tébessa en Algérie, marié, père d¿un enfant, mes études primaire et secondaire à Tébessa, après BAC en Science Naturelle, j¿ai poursuivi mes études universitaires à l¿Université de Tébessa où j¿ai obtenu le diplôme de Master en Biodiversité écologique en 2016, j¿espère que le livre sera utile pour les étudiants.