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Arctopsychidae
The Arctopsychidae are a family of net-spinning caddisflies. The family was described by Robert McLachlan in 1868. Larvae tend to live in clear, cold streams with stony bottoms. The larvae are often filter feeders, and will spin aquatic nets between stones to catch food particles. Adults will then emerge from the water to fly between late May and mid August. Distribution is Holarctic and Oriental The Orient is a term for the East in relation to Europe, traditionally comprising anything belonging to the Eastern world. It is the antonym of ''Occident'', the Western World. In English, it is largely a metonym for, and coterminous with, the ....University of Alberta Entomology Collection
Accessed 4 May 2007)


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Robert McLachlan (entomologist)
Robert McLachlan FRS (10 April 183723 May 1904) was an English entomologist specializing in the study of lacewings (Neuroptera) and caddisflies (Trichoptera). Life McLachlan was born in London on 10 April 1837, one of five children of Hugh McLachlan and Hannah (Thompson) McLachlan. His father was a successful manufacturer of ship chronometers. He lived his early life in Ongar, Essex, and was educated in Ilford at a private school where he developed a good knowledge of English, French and German. Due to a sizable inheritance, McLachlan was a man of independent means and devoted himself entirely to the study of entomology and other aspects of natural history. An initial interest in botany was prompted by a desire to understand the relationship between butterflies and their food plants. In 1855, after a broken engagement, McLachlan traveled to New South Wales, Australia and Shanghai, China to study and collect botanical materials. On his return to England he enlisted the help of ...
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Family (biology)
Family ( la, familia, plural ') is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as the "walnut family". What belongs to a family—or if a described family should be recognized at all—are proposed and determined by practicing taxonomists. There are no hard rules for describing or recognizing a family, but in plants, they can be characterized on the basis of both vegetative and reproductive features of plant species. Taxonomists often take different positions about descriptions, and there may be no broad consensus across the scientific community for some time. The publishing of new data and opini ...
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Caddisflies
The caddisflies, or order Trichoptera, are a group of insects with aquatic larvae and terrestrial adults. There are approximately 14,500 described species, most of which can be divided into the suborders Integripalpia and Annulipalpia on the basis of the adult mouthparts. Integripalpian larvae construct a portable casing to protect themselves as they move around looking for food, while Annulipalpian larvae make themselves a fixed retreat in which they remain, waiting for food to come to them. The affinities of the small third suborder Spicipalpia are unclear, and molecular analysis suggests it may not be monophyletic. Also called sedge-flies or rail-flies, the adults are small moth-like insects with two pairs of hairy membranous wings. They are closely related to the Lepidoptera (moths and butterflies) which have scales on their wings; the two orders together form the superorder Amphiesmenoptera. The aquatic larvae are found in a wide variety of habitats such as streams, river ...
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Holarctic
The Holarctic realm is a biogeographic realm that comprises the majority of habitats found throughout the continents in the Northern Hemisphere. It corresponds to the floristic Boreal Kingdom. It includes both the Nearctic zoogeographical region (which covers most of North America), and Alfred Wallace's Palearctic zoogeographical region (which covers North Africa, and all of Eurasia except for Southeast Asia, the Indian subcontinent, the southern Arabian Peninsula). These regions are further subdivided into a variety of ecoregions. Many ecosystems and the animal and plant communities that depend on them extend across a number of continents and cover large portions of the Holarctic realm. This continuity is the result of those regions’ shared glacial history. Major ecosystems Within the Holarctic realm, there are a variety of ecosystems. The type of ecosystem found in a given area depends on its latitude and the local geography. In the far north, a band of Arctic tundra en ...
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Oriental
The Orient is a term for the East in relation to Europe, traditionally comprising anything belonging to the Eastern world. It is the antonym of ''Occident'', the Western World. In English, it is largely a metonym for, and coterminous with, the continent of Asia, loosely classified into the Western Asia, Southeast Asia, South Asia, Central Asia, East Asia, and sometimes including the Caucasus. Originally, the term ''Orient'' was used to designate only the Near East, and later its meaning evolved and expanded, designating also the Middle East, Central Asia, South Asia, Southeast Asia, or the Far East. The term ''oriental'' is often used to describe objects from the Orient; however in the United States it is considered an outdated and often offensive term by some, especially when used to refer to people of East Asian and Southeast Asian descent. Etymology The term "Orient" derives from the Latin word ''oriens'' meaning "east" (lit. "rising" < ''orior'' " rise"). The use of th ...
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Arctopsyche
''Arctopsyche'' is a genus of netspinning caddisflies in the family Hydropsychidae The Hydropsychidae are a family-level taxon consisting of net-spinning caddisflies. Hydropsychids are common among much of the world's streams, and a few species occupy the shorelines of freshwater lakes. Larvae of the hydropsychids construct .... There are more than 20 described species in ''Arctopsyche''. Species These 27 species belong to the genus ''Arctopsyche'': * '' Arctopsyche amurensis'' Martynov, 1934 * '' Arctopsyche arcuata'' Schmid, 1968 * '' Arctopsyche bicornis'' Schmid, 1968 * '' Arctopsyche californica'' Ling, 1938 * '' Arctopsyche cervinata'' Mey, 1997 * '' Arctopsyche composita'' Martynov, 1930 * '' Arctopsyche fissa'' Schmid, 1968 * '' Arctopsyche grandis'' (Banks, 1900) * '' Arctopsyche hirayamai'' Matsumura, 1931 * '' Arctopsyche hynreck'' Malicky & Chantaramongkol, 1991 * '' Arctopsyche inaequispinosa'' Schmid, 1968 * '' Arctopsyche inermis'' Banks, 1943 * '' Arctopsych ...
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Parapsyche
''Parapsyche'' is a genus of netspinning caddisflies in the family Hydropsychidae The Hydropsychidae are a family-level taxon consisting of net-spinning caddisflies. Hydropsychids are common among much of the world's streams, and a few species occupy the shorelines of freshwater lakes. Larvae of the hydropsychids construct .... There are more than 20 described species in ''Parapsyche''. Species These 25 species belong to the genus ''Parapsyche'': * '' Parapsyche acuta'' Schmid, 1964 * '' Parapsyche aias'' Malicky, 1997 * '' Parapsyche almota'' Ross, 1938 * '' Parapsyche angularia'' Mey, 1996 * '' Parapsyche apicalis'' (Banks, 1908) * '' Parapsyche asiatica'' Schmid, 1959 * '' Parapsyche aureocephala'' Schmid, 1964 * '' Parapsyche bifida'' Schmid, 1959 * '' Parapsyche birmanica'' Schmid, 1968 * '' Parapsyche cardis'' Ross, 1938 * '' Parapsyche denticulata'' Schmid, 1964 * '' Parapsyche difformis'' (Banks, 1947) * '' Parapsyche elsis'' Milne, 1936 * '' Parapsyche extensa'' De ...
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