Serrognathus Titanus
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Serrognathus Titanus
''Serrognathus titanus'' is a species of beetle in the family Lucanidae. It was described by Jean Baptiste Boisduval in 1835. Huang and Chen (2013) separated ''Serognathus'' from the genus '' Dorcus'' by representing morphological characters and DNA analysis. Description Males measure including mandibles; females . It has an elongated, somewhat flat body dull black with blackish antennae and legs. Male's antler-like jaws have small teeth along inner edge and a pair of big teeth toward the bottom, and are forked at end. The head of a large male reaches nearly the length of its prothorax and abdomen combined. Life cycle Adults can be seen from May to August. They feed on tree juice, especially of ''Quercus'' species. Females lay eggs on the underground part of fallen oaks. The eggs hatch in about a month and the larvae feed on rotten wood. The larval period lasts about one year. The complete life cycle can last approximately from 1 to 2 years. Distribution This species is widely ...
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Sumatra
Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent islands such as the Simeulue, Nias, Mentawai, Enggano, Riau Islands, Bangka Belitung and Krakatoa archipelago. Sumatra is an elongated landmass spanning a diagonal northwest–southeast axis. The Indian Ocean borders the northwest, west, and southwest coasts of Sumatra, with the island chain of Simeulue, Nias, Mentawai, and Enggano off the western coast. In the northeast, the narrow Strait of Malacca separates the island from the Malay Peninsula, which is an extension of the Eurasian continent. In the southeast, the narrow Sunda Strait, containing the Krakatoa Archipelago, separates Sumatra from Java. The northern tip of Sumatra is near the Andaman Islands, while off the southeastern coast lie the islands of Bangka and Belitung, Karim ...
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Dorcus Titanus Platymelus Sjh
''Dorcus'' is a genus of beetles in the family Lucanidae (stag beetles). Of the 30-odd species, most occur in Asia and India; two are found in southern Europe, and two species are from North America. Previously, specimens with serriform teeth on the mandibles and sable pigment were called ''Serrognathus'' whereas specimens with but a singular or multiple bulky notches on the mandibles and lustrous sable pigmentation were called ''Dorcus''. Species The following species are members of the genus ''Dorcus'': * '' Dorcus alexisi'' Muret & Drumont, 1999 Cyprus * '' Dorcus amamianus'' (Nomura, 1964) * ''Dorcus antaeus'' Hope, 1842 * '' Dorcus apatani'' (Okuda & Maeda, 2015) * '' Dorcus arfakianus'' (Lansberge, 1880) Papua New Guinea * '' Dorcus arrowi'' (Boileau, 1911) south and southeast Asia * ''Dorcus australicus'' (Bomans, 1985) Australia * ''Dorcus bandaensis'' Okuda, 2000 Indonesia * ''Dorcus bashanus'' Huang & Chen, 2013 China * ''Dorcus bhaskarai'' Hosoguchi, 2006 Ind ...
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Beetles Of Asia
Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 described species, is the largest of all orders, constituting almost 40% of described insects and 25% of all known animal life-forms; new species are discovered frequently, with estimates suggesting that there are between 0.9 and 2.1 million total species. Found in almost every habitat except the sea and the polar regions, they interact with their ecosystems in several ways: beetles often feed on plants and fungi, break down animal and plant debris, and eat other invertebrates. Some species are serious agricultural pests, such as the Colorado potato beetle, while others such as Coccinellidae (ladybirds or ladybugs) eat aphids, scale insects, thrips, and other plant-sucking insects that damage crops. Beetles typically have a particularly hard exos ...
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Lucaninae
The Lucaninae comprise the largest subfamily of the stag beetles (Lucanidae). Characteristics include partial to complete division of the eyes by a canthus, geniculate antennae, and distinctly separated coxae. The body is typically elongated and slightly flattened. Genera Some notable species are also listed: * '' Aegognathus'' * '' Aegus'' * '' Agnus'' * '' Allotopus'' * '' Amneidus'' * '' Andinolucanus'' * '' Aphanognathus'' * '' Apterocyclus'' * '' Apterodorcus'' Arrow, 1943 * '' Auxicerus'' * '' Bartolozziolucanus'' * '' Beneshius'' * '' Bomansius'' * '' Brasilucanus'' * '' Cacostomus'' ** '' C. squamosus'' * '' Calcodes'' * '' Cantharolethrus'' ** '' C. luxeri'' * '' Capreolucanus'' * ''Cardanus'' * '' Casignetus'' * '' Charagmophorus'' * '' Chewlucanus'' * '' Chiasognathus'' * '' Cladophyllus'' * '' Cladognathus'' * '' Colophon'' * '' Cyclommatus'' ** '' C. scutellaris'' * '' Dendezia'' * '' Diasomoides'' * '' Dinonigidius'' * '' Dorculus'' * '' Dorcus'' * '' Dynod ...
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Yunnan
Yunnan , () is a landlocked Provinces of China, province in Southwest China, the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the Chinese provinces of Guizhou, Sichuan, autonomous regions of Guangxi, and Tibet Autonomous Region, Tibet as well as Southeast Asian countries: Vietnam, Laos, and Myanmar. Yunnan is China's fourth least developed province based on disposable income per capita in 2014. Yunnan is situated in a mountainous area, with high elevations in the northwest and low elevations in the southeast. Most of the population lives in the eastern part of the province. In the west, the altitude can vary from the mountain peaks to river valleys by as much as . Yunnan is rich in natural resources and has the largest diversity of plant life in China. Of the approximately 30,000 species of Vascular plant, higher plants in China, Yu ...
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Takarajima
, literally "treasure island", is one of the Tokara Islands, belonging to Kagoshima Prefecture. The island, 7.14 km² in area, has a population of 116 persons. The island can only be reached by boat as it has no airport; there is regular ferry service to the city of Kagoshima on the mainland of Kyushu. Travel time is about 13 hours. The islanders are dependent mainly on fishing and seasonal tourism. Geography Takarajima is the southernmost inhabited island in the Tokara archipelago, and is located from Kagoshima Port and north from Amami Ōshima. The highest peak, Imakiradake has a height of above sea level The island is surrounded by a coral reef. Its climate is classified as subtropical, with a rainy season from May through September. History Numerous ceramic shards and the foundations of dwellings from the late Jōmon period and Yayoi period indicate that Takarajima has been continuously inhabited for at least the past 2000 years. Until 1624, the island was part of the ...
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Sakishima Islands
The (or 先島群島, ''Sakishima-guntō'') (Okinawan language, Okinawan: ''Sachishima'', Miyakoan language, Miyako: ''Saksїzїma'', Yaeyama language, Yaeyama: ''Sakїzїma'', Yonaguni language, Yonaguni: ''Satichima'') are an archipelago located at the southernmost end of the Japanese Archipelago. They are part of the Ryukyu Islands and include the Miyako Islands and the Yaeyama Islands. The islands are administered as part of Okinawa Prefecture, Japan. Inhabited islands Sakishima Islands *Miyako Islands (former Miyako Subprefecture) ** Miyakojima, Okinawa, Miyakojima City ***Ikemajima, Ikema Island (''Ikema-jima'') ***Irabu Island (''Irabu-jima'') ***Kurimajima, Kurima Island (''Kurima-jima'') ***Miyako-jima, Miyako Island (''Miyako-jima'') ***Ogami Island, Ōgami Island (''Ōgami-jima'') ***Shimojishima, Shimoji Island (''Shimoji-shima'') ** Tarama, Okinawa, Tarama Village ***Tarama Island (''Tarama-jima'') ***Minnajima (Tarama, Okinawa), Minna Island (''Minna-jima'') *Yaeya ...
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Palawan Island
Palawan is the largest island of the province of Palawan in the Philippines and fifth-largest by area and tenth-most populous island of the country, with a total population of 994,101 as of 2020 census. The north west coast of the island is along the South China Sea, while the south east coast forms part of the northern limit of the Sulu Sea. Much of the island remains traditional and is considered by some as under-developed. Abundant wildlife, jungle mountains, and some white sandy beaches attract many tourists, as well as international companies looking for development opportunities. As of 2016, the main island of Palawan was rated the "Most Beautiful Island in the World" as voted by respective readers of rival travel publications Conde Nast Traveller and Travel + Leisure. It is the second year running that Palawan has won the Conde Nast Traveller award, as well as the second time in four years that it has occupied Travel + Leisure's top spot (2013). El Nido, Palawan, El Nido, ...
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Okinawa
is a prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 km2 (880 sq mi). Naha is the capital and largest city of Okinawa Prefecture, with other major cities including Okinawa, Uruma, and Urasoe. Okinawa Prefecture encompasses two thirds of the Ryukyu Islands, including the Okinawa, Daitō and Sakishima groups, extending southwest from the Satsunan Islands of Kagoshima Prefecture to Taiwan ( Hualien and Yilan Counties). Okinawa Prefecture's largest island, Okinawa Island, is the home to a majority of Okinawa's population. Okinawa Prefecture's indigenous ethnic group are the Ryukyuan people, who also live in the Amami Islands of Kagoshima Prefecture. Okinawa Prefecture was ruled by the Ryukyu Kingdom from 1429 and unofficially annexed by Japan after the Invasion of Ryukyu in 1609. Okinawa Prefecture was officially founded in 1879 by the Empi ...
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Mindanao
Mindanao ( ) ( Jawi: مينداناو) is the second-largest island in the Philippines, after Luzon, and seventh-most populous island in the world. Located in the southern region of the archipelago, the island is part of an island group of the same name that also includes its adjacent islands, notably the Sulu Archipelago. According to the 2020 census, Mindanao has a population of 26,252,442 people, while the entire island group has an estimated population of 27,021,036 according to the 2021 census. Mindanao is divided into six administrative regions: the Zamboanga Peninsula, Northern Mindanao, the Caraga region, the Davao region, Soccsksargen, and the autonomous region of Bangsamoro. According to the 2020 census, Davao City is the most populous city on the island, with 1,776,949 people, followed by Zamboanga City (pop. 977,234), Cagayan de Oro (pop. 728,402), General Santos (pop. 697,315), Butuan (pop. 372,910), Iligan (pop. 363,115) and Cotabato City (pop. 325,079). ...
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Daitō Islands
The are an archipelago consisting of three isolated coral islands in the Philippine Sea southeast of Okinawa. The islands have a total area of and a population of 2,107. Administratively, the whole group belongs to Shimajiri District of Okinawa Prefecture, and is divided between the villages of Minamidaitō and Kitadaitō, with uninhabited Okidaitōjima island administered as part of Kitadaitō municipality, although physically located closer to Minamidaitōjima. Etymology ''Kita'', ''minami'', and ''oki'' means, respectively, "north", "south", and "offshore" while ''daitō'' means "great east". History These islands have long been known in Okinawa as ''Ufuagari'' (“the Great East”). The islands were first sighted by the Spanish navigator Bernardo de la Torre on 25 September 1543 (Okidaitōjima) and a few days later still in September (Minamidaitōjima and Kitadaitōjima), during his abortive attempt to reach New Spain from the Philippines with the ''San Juan de Letran' ...
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