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Boreothrinax Dichaetus
''Boreothrinax'' is a genus of flies in the family Pyrgotidae. Species *'' B. debilis'' (Osten Sacken The House von der Osten-Sacken is an old and distinguished noble family of Baltic Germans. The family members held the titles of ''Baron'', ''Graf'', ''Knyaz'' and ''Fürst''. History The origins of the family are traced to 14th century. In 16 ..., 1877) *'' B. dichaetus'' Steyskal, 1978 *'' B. filiola'' ( Loew, 1876) *'' B. maculipennis'' ( Macquart, 1846) *'' B. shewelli'' Steyskal, 1978 References {{Taxonbar, from=Q19936518 Pyrgotidae Diptera of North America ...
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Animal
Animals are multicellular, eukaryotic organisms in the Kingdom (biology), biological kingdom Animalia. With few exceptions, animals Heterotroph, consume organic material, Cellular respiration#Aerobic respiration, breathe oxygen, are Motility, able to move, can Sexual reproduction, reproduce sexually, and go through an ontogenetic stage in which their body consists of a hollow sphere of Cell (biology), cells, the blastula, during Embryogenesis, embryonic development. Over 1.5 million Extant taxon, living animal species have been Species description, described—of which around 1 million are Insecta, insects—but it has been estimated there are over 7 million animal species in total. Animals range in length from to . They have Ecology, complex interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as zoology. Most living animal species are in Bilateria, a clade whose members have a Symmetry in biology#Bilate ...
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Arthropod
Arthropods (, (gen. ποδός)) are invertebrate animals with an exoskeleton, a Segmentation (biology), segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They are distinguished by their jointed limbs and Arthropod cuticle, cuticle made of chitin, often Mineralization (biology), mineralised with calcium carbonate. The arthropod body plan consists of segments, each with a pair of appendages. Arthropods are bilaterally symmetrical and their body possesses an exoskeleton, external skeleton. In order to keep growing, they must go through stages of moulting, a process by which they shed their exoskeleton to reveal a new one. Some species have wings. They are an extremely diverse group, with up to 10 million species. The haemocoel, an arthropod's internal cavity, through which its haemolymph – analogue of blood – circulates, accommodates its interior Organ (anatomy), organs; it has an open circulatory system. Like their exteriors, the internal or ...
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Insect
Insects (from Latin ') are pancrustacean 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 one pair of antennae. Their blood is not totally contained in vessels; some circulates in an open cavity known as the haemocoel. Insects are the most diverse group of animals; they include more than a million described species and represent more than half of all known living organisms. The total number of extant species is estimated at between six and ten million; In: potentially over 90% of the animal life forms on Earth are insects. Insects may be found in nearly all environments, although only a small number of species reside in the oceans, which are dominated by another arthropod group, crustaceans, which recent research has indicated insects are nested within. Nearly all insects hatch from eggs. ...
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Brachycera
The Brachycera are a suborder of the order Diptera. It is a major suborder consisting of around 120 families. Their most distinguishing characteristic is reduced antenna segmentation. Description A summary of the main physical characteristics is: * Antenna size (with eight or fewer flagellomeres) is reduced. * The maxillary palp (an elongated appendage near the mouth) has two segments or fewer. * The back portions of the larval head capsule extend into the prothorax (the anterior part of the thorax, which bears the first pair of legs). * Two distinct parts make up of the larval mandible (lower jaw). * The epandrium and hypandrium of the genitalia are separated in males. * No premandible is present on the lower surface of the labrum (the roof of the mouth). * The configuration of the CuA2 and A1 wing veins is distinct. Brachyceran flies can also be distinguished through behavior. Many of the species are predators or scavengers. Classification The structure of subgroups wit ...
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Acalyptratae
The Acalyptratae or Acalyptrata are a subsection of the Schizophora, which are a section of the order Diptera, the "true flies". In various contexts the Acalyptratae also are referred to informally as the acalyptrate muscoids, or acalyptrates, as opposed to the Calyptratae. All forms of the name refer to the lack of calypters in the members of this subsection of flies. An alternative name, Acalypterae is current, though in minority usage. It was first used by Pierre-Justin-Marie Macquart in 1835 for a section of his tribe Muscides; he used it to refer to all acalyptrates plus scathophagids and phorids, but excluding Conopidae. The confusing forms of the names stem from their first usage; ''Acalyptratae'' and ''Acalyptrata'' actually are adjectival forms in New Latin. They were coined in the mid 19th century in contexts such as "Muscae Calyptratae and Acalyptratae" and "Diptera Acalyptrata", and the forms stuck. The Acalyptratae are a large assemblage, exhibiting very diverse h ...
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Tephritoidea
The Tephritoidea are a superfamily of flies. It has over 7,800 species, the majority of them in family Tephritidae. The following families are included: * Ctenostylidae * Eurygnathomyiidae * Lonchaeidae - lance flies * Pallopteridae — flutter flies * Piophilidae — skippers * Platystomatidae — signal flies * Pyrgotidae * Richardiidae * Tephritidae — fruit flies * Ulidiidae (Otitidae) — picture-winged flies The Tachiniscinae, formerly ranked as the family Tachiniscidae, are now included in the Tephritidae. Description Tephritoidea are generally rather hairy flies with setae weakly differentiated. They have the following synapomorphies: male tergum 6 strongly reduced or absent; surstylus or medial surstylus with toothlike prensisetae (in Piophilidae only in one genus); female sterna 4-6 with anterior rodlike apodemes; female tergosternum 7 consisting of two portions, the anterior forming a tubular oviscape and the posterior consisting of two pairs of longitudinal taenia ...
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Pyrgotidae
The Pyrgotidae are an unusual family of flies (Diptera), one of only two families of Cyclorrhapha that lack ocelli. Most species are "picture-winged" (i.e., have patterns of bands or spots on the wings), as is typical among the Tephritoidea, but unlike other tephritoids, they are endoparasitoids; the females pursue scarab beetles in flight, laying an egg on the beetle's back under the elytra where the beetle cannot reach it. The egg hatches and the fly larva enters the body cavity of the beetle, feeding and eventually killing the host before pupating. In the United States, some species of '' Pyrgota'' and '' Sphecomyiella'' can be quite common in areas where their host beetles (typically the genus ''Phyllophaga'', or "June beetles") are abundant. Like their host beetles, these flies are primarily nocturnal, and are often attracted to artificial lights. Genera *''Acropyrgota'' Hendel, 1914 *'' Adapsilia'' Waga, 1842 *'' Adapsona'' Paramonov, 1958 *'' Afropyrgota'' V. Korneyev, ...
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Boreothrinax Maculipennis
''Boreothrinax'' is a genus of flies in the family Pyrgotidae. Species *'' B. debilis'' (Osten Sacken The House von der Osten-Sacken is an old and distinguished noble family of Baltic Germans. The family members held the titles of ''Baron'', ''Graf'', ''Knyaz'' and ''Fürst''. History The origins of the family are traced to 14th century. In 16 ..., 1877) *'' B. dichaetus'' Steyskal, 1978 *'' B. filiola'' ( Loew, 1876) *'' B. maculipennis'' ( Macquart, 1846) *'' B. shewelli'' Steyskal, 1978 References {{Taxonbar, from=Q19936518 Pyrgotidae Diptera of North America ...
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Pierre-Justin-Marie Macquart
Pierre-Justin-Marie Macquart (8 April 1778 – 25 November 1855) was a French entomologist specialising in the study of Diptera. He worked on world species as well as European and described many new species. Biography Early years Macquart was born in Hazebrouck, France, in 1778 and died in Lille in 1855. He was interested in natural history from an early age due to his older brother who was an ornithologist and a Fellow of the Société de Sciences de l’Agriculture et des Arts de la Ville de Lille and whose bird collection became the foundation of the societies museum, the Musée d'Histoire Naturelle de Lille. A second brother founded a botanic garden with a collection of over 3000 species of plants. Macquart, too became interested in natural history. In 1796 he joined the staff of General Armand Samuel then campaigning in the French Revolutionary Wars: Campaigns of 1796, Revolutionary Wars. He was a secretary and draftsman. The general staff was stationed in Schwetzingen, th ...
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Boreothrinax Debilis
''Boreothrinax'' is a genus of flies in the family Pyrgotidae. Species *'' B. debilis'' (Osten Sacken The House von der Osten-Sacken is an old and distinguished noble family of Baltic Germans. The family members held the titles of ''Baron'', ''Graf'', ''Knyaz'' and ''Fürst''. History The origins of the family are traced to 14th century. In 16 ..., 1877) *'' B. dichaetus'' Steyskal, 1978 *'' B. filiola'' ( Loew, 1876) *'' B. maculipennis'' ( Macquart, 1846) *'' B. shewelli'' Steyskal, 1978 References {{Taxonbar, from=Q19936518 Pyrgotidae Diptera of North America ...
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Carl Robert Osten-Sacken
Carl Robert Osten-Sacken or Carl-Robert Romanovich, Baron von der Osten-Sacken, Baron Osten Sacken (21 August 1828, – 20 May 1906) was a Russian diplomat and entomologist. He served as the Russian consul general in New York City during the American Civil War, living in the United States from 1856 to 1877. He worked on the taxonomy of flies in general and particularly of the family Tipulidae (crane flies). Early life Carl Robert Osten-Sacken was born on 21 August 1828 in St. Petersburg as the son of Baltic German Baron Reinhold Friedrich von der Osten-Sacken (1791-1864) and his wife, Elisabeth von Engelhardt (1805-1873). Biography He took an interest in insects at the age of eleven through the influence of Joseph N. Schatiloff, a Russian coleopterist. In 1849 he joined the Imperial Foreign Office and while still in Russia he published his first entomological papers, including an account of the species found in the suburbs of St. Petersburg. In 1856, he was sent to Was ...
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Boreothrinax Dichaetus
''Boreothrinax'' is a genus of flies in the family Pyrgotidae. Species *'' B. debilis'' (Osten Sacken The House von der Osten-Sacken is an old and distinguished noble family of Baltic Germans. The family members held the titles of ''Baron'', ''Graf'', ''Knyaz'' and ''Fürst''. History The origins of the family are traced to 14th century. In 16 ..., 1877) *'' B. dichaetus'' Steyskal, 1978 *'' B. filiola'' ( Loew, 1876) *'' B. maculipennis'' ( Macquart, 1846) *'' B. shewelli'' Steyskal, 1978 References {{Taxonbar, from=Q19936518 Pyrgotidae Diptera of North America ...
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