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Chalcosyrphus
''Chalcosyrphus'' is a genus of hoverflies in the subfamily Eristalinae. Many species exhibit some degree of mimicry of various sawflies and other hymenopterans and are often brightly coloured or metallic in hue. The adults are similar in structure and behavior to the related genus ''Xylota'' but differ in larval morphology. They can be found throughout Europe, Asia, and North America and seem to prefer damper, boggy habitats. The larvae are saproxylic Xylophagy is a term used in ecology to describe the habits of an herbivorous animal whose diet consists primarily (often solely) of wood. The word derives from Greek ''ξυλοφάγος'' (''xulophagos'') "eating wood", from ''ξύλον'' (') ... feeders in rotten wood in these habitats. Species References Bibliography * * * External links *Photographic examples and genus info: http://bugguide.net/node/view/7936/bgimage *Lifedesks page for "Chalcosyrphus" taxonomy and references: https://web.archive.org/web/2012050 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chalcosyrphus (subgenus)
''Chalcosyrphus'' is a genus of hoverflies in the subfamily Eristalinae. Many species exhibit some degree of mimicry of various sawflies and other hymenopterans and are often brightly coloured or metallic in hue. The adults are similar in structure and behavior to the related genus '' Xylota'' but differ in larval morphology. They can be found throughout Europe, Asia, and North America and seem to prefer damper, boggy habitats. The larvae are saproxylic Xylophagy is a term used in ecology to describe the habits of an herbivorous animal whose diet consists primarily (often solely) of wood. The word derives from Greek ''ξυλοφάγος'' (''xulophagos'') "eating wood", from ''ξύλον'' (') ... feeders in rotten wood in these habitats. Species References Bibliography * * * External links *Photographic examples and genus info: http://bugguide.net/node/view/7936/bgimage *Lifedesks page for "Chalcosyrphus" taxonomy and references: https://web.archive.org/web/201 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chalcosyrphus Violascens
''Chalcosyrphus (Xylotomima) chalybeus '' (Weidemann, 1830), the Violet Leafwalker, is a fairly common species of syrphid fly observed in the Northeastern United States. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen Pollen is a powdery substance produced by seed plants. It consists of pollen grains (highly reduced microgametophytes), which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametophyt .... Distribution Canada, United States. References Eristalinae Insects described in 1830 Diptera of North America Taxa named by Christian Rudolph Wilhelm Wiedemann {{syrphidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chalcosyrphus Aristatus
''Chalcosyrphus (Chalcosyrphus) aristatus '' (Johnson 1929), the Black-dented Leafwalker, is a very rare, species of syrphid fly observed in the Northeastern United States. Hoverflies can remain nearly motionless while in flight. The adults are also known as flower flies for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen Pollen is a powdery substance produced by seed plants. It consists of pollen grains (highly reduced microgametophytes), which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametophyt .... Distribution United States References Eristalinae Insects described in 1929 Diptera of North America Taxa named by Charles Willison Johnson Hoverflies of North America {{syrphidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chalcosyrphus Admirabilis
''Chalcosyrphus admirabilis'' is a species of syrphid fly Hover flies, also called flower flies or syrphid flies, 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 ... in the family Syrphidae. Distribution Russia. References Eristalinae Insects described in 1984 Diptera of Asia {{syrphidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chalcosyrphus Tuberculifemur
''Chalcosyrphus tuberculifemur'' is a species of hoverfly in the family Syrphidae. Distribution Russia. References Eristalinae Insects described in 1929 Diptera of Asia Taxa named by Aleksandr Stackelberg {{syrphidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chalcosyrphus Depressus
''Chalcosyrphus depressus'' ( Shannon, 1925) the Wide-eyed Leafwalker, is a rare species of syrphid fly observed from Idaho and Montana. Hoverflies can remain nearly motionless in flight. The adults are also known as flower flies for they are commonly found on flowers, from which they get both energy-giving nectar and protein-rich pollen Pollen is a powdery substance produced by seed plants. It consists of pollen grains (highly reduced microgametophytes), which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametophyt .... Distribution United States References Eristalinae Insects described in 1925 Diptera of North America Hoverflies of North America Taxa named by Raymond Corbett Shannon {{syrphidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dimorphoxylota
''Xylota'' is a Holarctic genus of hoverflies similar in structure to the related genera '' Chalcosyrphus'' and ''Brachypalpoides''. As the larvae are saprophytic they're usually found in rotting wood. The adult flies are generally associated with woodland and woodland edges and can often be seen running over the upper sides of leaves. Unlike other syrphids the adults of many species rarely visit flowers preferring instead to gather pollen from leaf surfaces. There are over 100 described species of which 12 can be found in Europe. Seven species have been recorded in Britain. Identification of species has been difficult and identifiction by photographs is risky. Species *'' Xylota abiens'' Meigen, 1822 *'' Xylota abosa'' Séguy, 1948 *'' Xylota aeneimaculata'' Meijere, 1908 *'' Xylota amaculata'' Yang & Cheng, 1998 *'' Xylota amylostigma'' Yang & Cheng, 1998 *'' Xylota analis'' Williston, 1887 *'' Xylota angustata'' Hippa, 1978 *'' Xylota angustiventris'' Loew, 1866 *' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Willison Johnson
Charles Willison Johnson (October 26, 1863 – July 19, 1932) was an American naturalist who specialized in entomology (especially Diptera) and malacology, making significant contributions in both fields. He was a mentor and inspiration to many students and young scientists such as William J. Clench (who founded a publication named '' Johnsonia'' in his honor). Johnson was Curator of the Wagner Free Institute of Science, 1888–1903, then was Principal Curator at the Boston Society of Natural History, 1903–1932. He assisted Henry Augustus Pilsbry with '' The Nautilus'', an important American malacological publication. Although both were credited on the title page as "Editors and Publishers", Johnson was the business manager and Pilsbry was the editor, with Johnson acting as editor when Pilsbry was on extended field expeditions. Biography Charles Johnson was born to Albert Fletcher Johnson and Sarah Willison Johnson in Morris Plains, New Jersey. He attended public and privat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hoverflies
Hover flies, also called flower flies or syrphid flies, 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, eating decaying plant and animal matter in the soil or in ponds and streams. In other species, the larvae are insectivores and prey on aphids, thrips, and other plant-sucking insects. Insects such as aphids are considered a crop pest, and therefore the aphid-eating larvae of some hover flies serve as an economically (as well as ecologically) important predator and even potential agents for use in biological control, while the adults may be pollinators. About 6,000 species in 200 genera have been described. Hover flies are common throughout the world and can be found on all continents except Antarctica. Hover flies are harmless to most ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saproxylic
Xylophagy is a term used in ecology to describe the habits of an herbivorous animal whose diet consists primarily (often solely) of wood. The word derives from Greek ''ξυλοφάγος'' (''xulophagos'') "eating wood", from ''ξύλον'' (') "wood" and ''φαγεῖν'' (') "to eat", an ancient Greek name for a kind of a worm-eating bird. Animals feeding only on dead wood are called sapro-xylophagous or saproxylic. Xylophagous insects Most such animals are arthropods, primarily insects of various kinds, in which the behavior is quite common, and found in many different orders. It is not uncommon for insects to specialize to various degrees; in some cases, they limit themselves to certain plant groups (a taxonomic specialization), and in others, it is the physical characteristics of the wood itself (e.g., state of decay, hardness, whether the wood is alive or dead, or the choice of heartwood versus sapwood versus bark). Many xylophagous insects have symbiotic protozoa and/ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Caribbean Sea, and to the west and south by the Pacific Ocean. Because it is on the North American Plate, North American Tectonic Plate, Greenland is included as a part of North America geographically. North America covers an area of about , about 16.5% of Earth's land area and about 4.8% of its total surface. North America is the third-largest continent by area, following Asia and Africa, and the list of continents and continental subregions by population, fourth by population after Asia, Africa, and Europe. In 2013, its population was estimated at nearly 579 million people in List of sovereign states and dependent territories in North America, 23 independent states, or about 7.5% of the world's population. In Americas (terminology)#Human ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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