Sterphus Janzeni
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Sterphus Janzeni
''Sterphus janzeni'' is a species of Hoverfly in the family Syrphidae. Distribution Costa Rica Costa Rica, officially the Republic of Costa Rica, is a country in Central America. It borders Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, and the Pacific Ocean to the southwest, as well as Maritime bo .... References Milesiini Insects described in 1994 Diptera of South America Taxa named by F. Christian Thompson {{Milesiini-stub ...
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Hoverfly
Hoverflies, also called flower flies or syrphids, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers; the adults of many species feed mainly on nectar and pollen, while the larvae ( maggots) eat a wide range of foods. In some species, the larvae are saprotrophs, specifically detritivores, eating decaying plant and animal matter in the soil or in ponds and streams. In other species, the larvae are insectivores, preying on aphids, thrips, and other plant-sucking insects. Insects such as aphids are considered crop pests, so the aphid-eating larvae of some hoverflies are economically and ecologically important. The larvae are potential agents for use in biological control, while the adults are pollinators. About 6,000 species in 200 genera have been described. Hoverflies are common throughout the world and can be found on all continents except Antarctica. Hoverflies are harmless to most mammals, though many s ...
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Costa Rica
Costa Rica, officially the Republic of Costa Rica, is a country in Central America. It borders Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, and the Pacific Ocean to the southwest, as well as Maritime boundary, maritime border with Ecuador to the south of Cocos Island. It has a population of around five million in a land area of nearly . An estimated people live in the capital and largest city, San José, Costa Rica, San José, with around two million people in the surrounding metropolitan area. The sovereign state is a Presidential system, presidential republic. It has a long-standing and stable Constitution of Costa Rica, constitutional democracy and a highly educated workforce. The country spends roughly 6.9% of its budget (2016) on education, compared to a global average of 4.4%. Its economy, once heavily dependent on agriculture, has diversified to include sectors such as finance, corporate services for foreign companies, pharmaceut ...
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Milesiini
The Milesiini (or Xylotini) is a large and diverse tribe (biology), tribe of hoverfly, hoverflies. They mimic wasps or hornets. List of genera *''Aneriophora'' Stuardo & Cortes, 1952 *''Blera (fly), Blera'' Gustaf Johan Billberg, Billberg, 1820 *''Brachypalpus'' Pierre-Justin-Marie Macquart, Macquart, 1834 *''Caliprobola'' Camillo Rondani, Rondani, 1845 *''Chalcosyrphus'' Charles Howard Curran, Curran, 1925 *''Criorhina'' Johann Wilhelm Meigen, Meigen, 1822 *''Cynorhinella'' Charles Howard Curran, Curran, 1922 *''Deineches'' Francis Walker (entomologist), Walker, 1852 *''Flukea'' Etcheverry, 1966 *''Hadromyia'' Samuel Wendell Williston, Williston, 1882 *''Hemixylota'' Raymond Corbett Shannon, Shannon & Aubertin, 1933 *''Lejota'' Camillo Rondani, Rondani, 1857 *''Lycastris'' Francis Walker (entomologist), Walker, 1857 *''Macrometopia'' Rodolfo Amando Philippi, Philippi, 1865 *''Macrozelima'' Aleksandr Stackelberg, Stackelberg, 1930 *''Malometasternum'' Raymond Corbett Shannon, ...
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Insects Described In 1994
Insects (from Latin ') are hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes, and a pair of antennae. Insects are the most diverse group of animals, with more than a million described species; they represent more than half of all animal species. The insect nervous system consists of a brain and a ventral nerve cord. Most insects reproduce by laying eggs. Insects breathe air through a system of paired openings along their sides, connected to small tubes that take air directly to the tissues. The blood therefore does not carry oxygen; it is only partly contained in vessels, and some circulates in an open hemocoel. Insect vision is mainly through their compound eyes, with additional small ocelli. Many insects can hear, using tympanal organs, which may be on the legs or other parts of the body. The ...
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Diptera Of South America
Flies are insects of the order Diptera, the name being derived from the Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advanced mechanosensory organs known as halteres, which act as high-speed sensors of rotational movement and allow dipterans to perform advanced aerobatics. Diptera is a large order containing more than 150,000 species including horse-flies, crane flies, hoverflies, mosquitoes and others. Flies have a mobile head, with a pair of large compound eyes, and mouthparts designed for piercing and sucking (mosquitoes, black flies and robber flies), or for lapping and sucking in the other groups. Their wing arrangement gives them great manoeuvrability in flight, and claws and pads on their feet enable them to cling to smooth surfaces. Flies undergo complete metamorphosis; the eggs are often laid on the larval food-source and the larvae, which lack true ...
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