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Pyrgus Sidae
''Pyrgus sidae'', the yellow-banded skipper, is a species of skipper (family Hesperiidae). It is found in from the Iberian Peninsula (only an isolated occurrence in the Sierra de Gredos) through southern and eastern Europe , southeast France, the northwestern coastal areas of central Italy, then Istria (Slovenia and Croatia) and the Balkan peninsula, across Turkey, Transcaucasia, to Iran and Afghanistan. East of the Southern Ural mountains the range extends to northwest Kazakhstan and the west of the Tien Shan in the north. ''Pyrgus'' species are usually difficult to separate in the field but ''P. sidae'' is a notable exception. It is the largest member of the genus found in Europe with a wingspan of 32–38 mm and can be instantly recognized by two bold black-edged yellow bands on the underside of the hindwings. The dark brown upper forewings are also boldly marked with numerous large white spots. The adults fly in June and July. The larval food plant is ''Abutilon avicen ...
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Eugenius Johann Christoph Esper
Eugenius Johann Christoph Esper (2 June 1742 – 27 July 1810) was a German zoologist and naturalist. Born in Wunsiedel in Bavaria, he was professor of zoology at Erlangen university. Life and work Eugen and his brother Friedrich were introduced to natural history at an early age by their father Friedrich Lorenz Esper, an amateur botanist. Encouraged to abandon his theology course by his professor of botany Casimir Christoph Schmidel (1718–1792) Eugen Esper, instead, took instruction in natural history. He obtained his doctorate of philosophy at the university of Erlangen in 1781 with a thesis entitled ''De varietatibus specierum in naturale productis''. The following year, he started to teach at the university initially as extraordinary professor, a poorly paid position, then in 1797 as the professor of philosophy. He directed the department of natural history in Erlangen from 1805. Thanks to him the university collections of minerals, birds, plants, shells and insects ...
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Iran
Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmenistan to the north, by Afghanistan and Pakistan to the east, and by the Gulf of Oman and the Persian Gulf to the south. It covers an area of , making it the 17th-largest country. Iran has a population of 86 million, making it the 17th-most populous country in the world, and the second-largest in the Middle East. Its largest cities, in descending order, are the capital Tehran, Mashhad, Isfahan, Karaj, Shiraz, and Tabriz. The country is home to one of the world's oldest civilizations, beginning with the formation of the Elamite kingdoms in the fourth millennium BC. It was first unified by the Medes, an ancient Iranian people, in the seventh century BC, and reached its territorial height in the sixth century BC, when Cyrus the Great fo ...
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Pyrgus
''Pyrgus'' is a genus in the skippers butterfly family, Hesperiidae, known as the grizzled skippers. The name "checkered" or "chequered skipper" may also be applied to some species, but also refers to species in the genera '' Burnsius'' and '' Carterocephalus''. They occur in the Holarctic with an additional group of species extending to the Neotropic. In 2019, most of the species of ''Pyrgus'' found in the North, Central, or South America were moved to the genera '' Burnsius'', ''Chirgus'', and '' Heliopetes''. The remaining ''Pyrgus'' species found in the New World are ''Pyrgus centaureae'', ''ruralis'', ''scriptura'', and ''xanthus''. Species These species belong to the genus ''Pyrgus'': * '' Pyrgus accretus'' (Verity, 1925) * '' Pyrgus alpinus'' Erschoff, 1874 * '' Pyrgus alveus'' (Hübner, 1803) (large grizzled skipper) * '' Pyrgus andromedae'' (Wallengren, 1853) (Alpine grizzled skipper) * '' Pyrgus armoricanus'' (Oberthur, 1910) (oberthür's grizzled skipper) * ''Pyrgu ...
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Abutilon Avicennae
''Abutilon theophrasti'' (velvetleaf, velvet plant, velvetweed, Chinese jute, China jute, crown weed, buttonweed, lantern mallow, butterprint, pie-marker, or Indian mallow) is an annual plant in the family Malvaceae, native to southern Asia. It's specific epithet ''theophrasti'' commemorates the ancient Greek botanist-philosopher Theophrastus. ''Abutilon theophrasti'' is the type species of the genus ''Abutilon''. Description Velvetleaf grows 3–8 feet tall on branched stout stems. Their stems are covered in downy hairs. It annually grows in the warmer seasons. It germinates in the spring, and flowers in the summer. This typically takes place between the months of July to September in certain locations. The leaves are large and heart-shaped with point tips at their ends. They grow at different points along the length of the stem or are alternated along the stem. The leaves are attached to thick, long stems, and when crushed, they release an odor. It has flowers that are yellow; ...
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Larva
A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. The larva's appearance is generally very different from the adult form (''e.g.'' caterpillars and butterflies) including different unique structures and organs that do not occur in the adult form. Their diet may also be considerably different. Larvae are frequently adapted to different environments than adults. For example, some larvae such as tadpoles live almost exclusively in aquatic environments, but can live outside water as adult frogs. By living in a distinct environment, larvae may be given shelter from predators and reduce competition for resources with the adult population. Animals in the larval stage will consume food to fuel their transition into the adult form. In some organisms like polychaetes and barnacles, adults are immobil ...
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Wingspan
The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of , the official record for a living bird. The term wingspan, more technically extent, is also used for other winged animals such as pterosaurs, bats, insects, etc., and other aircraft such as ornithopters. In humans, the term wingspan also refers to the arm span, which is distance between the length from one end of an individual's arms (measured at the fingertips) to the other when raised parallel to the ground at shoulder height at a 90º angle. Former professional basketball player Manute Bol stood at and owned one of the largest wingspans at . Wingspan of aircraft The wingspan of an aircraft is always measured in a straight line, from wingtip to wingtip, independently of wing shape or sweep. Implications for aircraft design and anima ...
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Tien Shan
The Tian Shan,, , otk, 𐰴𐰣 𐱅𐰭𐰼𐰃, , tr, Tanrı Dağı, mn, Тэнгэр уул, , ug, تەڭرىتاغ, , , kk, Тәңіртауы / Алатау, , , ky, Теңир-Тоо / Ала-Тоо, , , uz, Tyan-Shan / Tangritog‘, , also known as the Tengri Tagh or Tengir-Too, meaning the ''Mountains of Heaven'' or the ''Heavenly Mountain'', is a large system of mountain ranges located in Central Asia. The highest peak in the Tian Shan is Jengish Chokusu, at high. Its lowest point is the Turpan Depression, which is below sea level. One of the earliest historical references to these mountains may be related to the Xiongnu word ''Qilian'' ( zh, s=祁连, t=祁連, first=t, p=Qílián) – according to Tang commentator Yan Shigu, ''Qilian'' is the Xiongnu word for sky or heaven. Sima Qian in the ''Records of the Grand Historian'' mentioned ''Qilian'' in relation to the homeland of the Yuezhi and the term is believed to refer to the Tian Shan rather than the Qilia ...
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Kazakhstan
Kazakhstan, officially the Republic of Kazakhstan, is a transcontinental country located mainly in Central Asia and partly in Eastern Europe. It borders Russia to the north and west, China to the east, Kyrgyzstan to the southeast, Uzbekistan to the south, and Turkmenistan to the southwest, with a coastline along the Caspian Sea. Its capital is Astana, known as Nur-Sultan from 2019 to 2022. Almaty, Kazakhstan's largest city, was the country's capital until 1997. Kazakhstan is the world's largest landlocked country, the largest and northernmost Muslim-majority country by land area, and the ninth-largest country in the world. It has a population of 19 million people, and one of the lowest population densities in the world, at fewer than 6 people per square kilometre (15 people per square mile). The country dominates Central Asia economically and politically, generating 60 percent of the region's GDP, primarily through its oil and gas industry; it also has vast mineral ...
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Ural Mountains
The Ural Mountains ( ; rus, Ура́льские го́ры, r=Uralskiye gory, p=ʊˈralʲskʲɪjə ˈɡorɨ; ba, Урал тауҙары) or simply the Urals, are a mountain range that runs approximately from north to south through western Russia, from the coast of the Arctic Ocean to the river Ural and northwestern Kazakhstan.Ural Mountains
Encyclopædia Britannica on-line
The mountain range forms part of the conventional boundary between the regions of and

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Afghanistan
Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordered by Pakistan to the Durand Line, east and south, Iran to the Afghanistan–Iran border, west, Turkmenistan to the Afghanistan–Turkmenistan border, northwest, Uzbekistan to the Afghanistan–Uzbekistan border, north, Tajikistan to the Afghanistan–Tajikistan border, northeast, and China to the Afghanistan–China border, northeast and east. Occupying of land, the country is predominantly mountainous with plains Afghan Turkestan, in the north and Sistan Basin, the southwest, which are separated by the Hindu Kush mountain range. , Demographics of Afghanistan, its population is 40.2 million (officially estimated to be 32.9 million), composed mostly of ethnic Pashtuns, Tajiks, Hazaras, and Uzbeks. Kabul is the country's largest city and ser ...
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Transcaucasia
The South Caucasus, also known as Transcaucasia or the Transcaucasus, is a geographical region on the border of Eastern Europe and Western Asia, straddling the southern Caucasus Mountains. The South Caucasus roughly corresponds to modern Armenia, Georgia, and Azerbaijan, which are sometimes collectively known as the Caucasian States. The total area of these countries measures about . The South Caucasus and the North Caucasus together comprise the larger Caucasus geographical region that divides Eurasia. Geography The South Caucasus spans the southern portion of the Caucasus Mountains and their lowlands, straddling the border between the continents of Europe and Asia, and extending southwards from the southern part of the Main Caucasian Range of southwestern Russia to the Turkish and Armenian borders, and from the Black Sea in the west to the Caspian Sea coast of Iran in the east. The area includes the southern part of the Greater Caucasus mountain range, the entire Lesser C ...
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Skipper (butterfly)
Skippers are a family of the Lepidoptera (moths and butterflies) named the Hesperiidae. Being diurnal, they are generally called butterflies. They were previously placed in a separate superfamily, Hesperioidea; however, the most recent taxonomy places the family in the superfamily Papilionoidea, the butterflies. They are named for their quick, darting flight habits. Most have their antenna tips modified into narrow, hook-like projections. Moreover, skippers mostly have an absence of wing-coupling structure available in most moths. More than 3500 species of skippers are recognized, and they occur worldwide, but with the greatest diversity in the Neotropical regions of Central and South America.Ackery et al. (1999) Description and systematics Traditionally, the Hesperiidae were placed in a monotypic superfamily Hesperioidea, because they are morphologically distinct from other Rhopalocera (butterflies), which mostly belong to the typical butterfly superfamily Papilionoidea. The ...
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