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Periodical Cicadas
The term periodical cicada is commonly used to refer to any of the seven species of the genus ''Magicicada'' of eastern North America, the 13- and 17-year cicadas. They are called periodical because nearly all individuals in a local population are developmentally synchronized and emerge in the same year. Although they are sometimes called "locusts", this is a misnomer, as cicadas belong to the taxonomic order Hemiptera (true bugs), suborder Auchenorrhyncha, while locusts are grasshoppers belonging to the order Orthoptera. ''Magicicada'' belongs to the cicada tribe Lamotialnini, a group of genera with representatives in Australia, Africa, and Asia, as well as the Americas. ''Magicicada'' species spend around 99.5% of their long lives underground in an immature state called a nymph. While underground the nymphs feed on xylem fluids from the roots of deciduous forest trees in the eastern United States. In the spring of their 13th or 17th year mature cicada nymphs emerge between ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Magicicada Septendecim
''Magicicada septendecim'', sometimes called the Pharaoh cicada or the 17-year locust, is native to Canada and the United States and is the largest and most northern species of Magicicada, periodical cicada with a 17-year lifecycle. Description Like other species included in ''Magicicada'', the insect's eyes and wing veins are reddish and its dorsal thorax is black. It is distinguished by broad orange stripes on its abdomen and a unique, high-pitched song said to resemble someone calling "weeeee-whoa" or "Pharaoh", features it shares with the newly discovered 13-year species ''Magicicada neotredecim''. Because of similarities between ''M. septendecim'' and the two closely related 13-year species ''M. neotredecim'' and ''Magicicada tredecim, M. tredecim'', the three species are often described together as "decim periodical cicadas." Life cycle Their median life cycle from egg to natural adult death is around seventeen years. However, their life cycle can range between thirteen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Connecticut
The University of Connecticut (UConn) is a public land-grant research university in Storrs, Connecticut, a village in the town of Mansfield. The primary 4,400-acre (17.8 km2) campus is in Storrs, approximately a half hour's drive from Hartford and 90 minutes from Boston. UConn was founded in 1881 as the Storrs Agricultural School, named after two brothers who donated the land for the school. In 1893, the school became a public land grant college, becoming the University of Connecticut in 1939. Over the following decade, social work, nursing and graduate programs were established, while the schools of law and pharmacy were also absorbed into the university. During the 1960s, UConn Health was established for new medical and dental schools. John Dempsey Hospital opened in Farmington in 1975. The university is classified among "R1: Doctoral Universities – Very high research activity". The university has been considered a Public Ivy. UConn is one of the founding institution ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Venom
Venom or zootoxin is a type of toxin produced by an animal that is actively delivered through a wound by means of a bite, sting, or similar action. The toxin is delivered through a specially evolved ''venom apparatus'', such as fangs or a stinger, in a process called envenomation. Venom is often distinguished from poison, which is a toxin that is passively delivered by being ingested, inhaled, or absorbed through the skin, and toxungen, which is actively transferred to the external surface of another animal via a physical delivery mechanism. Venom has evolved in terrestrial and marine environments and in a wide variety of animals: both predators and prey, and both vertebrates and invertebrates. Venoms kill through the action of at least four major classes of toxin, namely necrotoxins and cytotoxins, which kill cells; neurotoxins, which affect nervous systems; myotoxins, which damage muscles; and haemotoxins, which disrupt blood clotting. Venomous animals cause tens of thousa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cassini Periodical Cicadas
The Cassini periodical cicadas are a pair of closely related species of periodical cicadas: ''Magicicada cassini'' (Fisher, 1852), having a 17-year life cycle, and '' Magicicada tredecassini'' (Alexander and Moore, 1962), a nearly identical species with a 13-year life cycle. Courting behavior of Cassini cicadas is unusual because large groups of males may sing and fly together in synchrony. Bursts of sound alternate with silence as thousands of males sing in unison, then leave perches and seek a new perch before the next ensemble song. Description All ''Magicicada'' species have a black dorsal thorax with red eyes and orange wing veins. Cassini periodical cicadas are smaller than decim periodical cicadas. The abdomen is black except for occasional faint orange-yellow marks on the ventral surface seen in some location. In a typical brood of periodical cicadas, decim and decula types will be present as well as cassini. The three different types have unique species song-types; th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arc Of Appalachia
Highlands Sanctuary, Inc. is a nonprofit organization which operates under the dba (doing business as) of The Arc of Appalachia Preserve System. The Arc of Appalachia has been in operation since 1995, working to create and steward nature preserves in the forested Appalachian counties of southern Ohio. In 2016, The Arc of Appalachia had completed the protection of 4268 acres in 15 preserve regions. The Arc of Appalachia's mission is to protect the rich diversity of life of America's Great Eastern Temperate Forest, as the large biome expresses itself in the southern Ohio region. The Arc of Appalachia's land stewardship practices are guided by the following goals: to maximize the numbers of plants and animals native to the protected ecosystems, restore balance to the natural communities, and preserve natural beauty for visitors to enjoy on public hiking trails. The Arc of Appalachia is also an educational organization, offering to the public guided hikes, workshops, nature retreats, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Decim Periodical Cicadas
Decim periodical cicadas is a term used to group three closely related species of periodical cicadas: ''Magicicada septendecim'', '' Magicicada tredecim'', and '' Magicicada neotredecim''. ''M. septendecim'', first described by Carl Linnaeus, has a 17-year life cycle; the name ''septendecim'' is Latin for 17. ''M. tredecim'', first described in 1868, has a similar call and appearance but a 13-year life cycle; ''tredecim'' is Latin for 13. ''M. neotredecim'' (Latin for "new 13"), first described in 2000 by Marshall and Cooley in an article in the journal ''Evolution'', is a 13-year species but otherwise much more similar to ''M. septendecim'' than to ''M. tredecim'' as shown by studies of DNA and abdominal color variation by Chris Simon and colleagues in a companion article in the same journal issue. Description Like other species included in ''Magicicada'', decim periodical cicadas have synchronized development with a long larval period underground (13 or 17 years, depending on spe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Imago
In biology, the imago (Latin for "image") is the last stage an insect attains during its metamorphosis, its process of growth and development; it is also called the imaginal stage, the stage in which the insect attains maturity. It follows the final ecdysis of the immature instars.Carpenter, Geo. H., The Life-Story of Insects. Cambridge University Press 1913. May be downloaded from: https://www.gutenberg.org/ebooks/16410 or https://archive.org/details/thelifestoryofin16410gut In a member of the Ametabola or Hemimetabola, in which metamorphosis is "incomplete", the final ecdysis follows the last immature or '' nymphal'' stage. In members of the Holometabola, in which there is a pupal stage, the final ecdysis follows emergence from the pupa, after which the metamorphosis is complete, although there is a prolonged period of maturation in some species. The imago is the only stage during which the insect is sexually mature and, if it is a winged species, has functional wings. The i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Many Cicadas 2004 Hi .
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Many may refer to: * grammatically plural in number *an English quantifier used with count nouns indicating a large but indefinite number of; at any rate, more than a few ;Place names * Many, Moselle, a commune of the Moselle department in France * Mány, a village in Hungary * Many, Louisiana, a town in the United States * Many, Masovian Voivodeship, east-central Poland Surname * Moshe Many, Israeli urologist; President of Tel Aviv University, and President of Ashkelon Academic College Ashkelon Academic College ( he, המכללה האקדמית אשקלון, ''HaMiklala HaAkademit Ashkelon'') is a public college in Ashkelon, Israel. The college has two faculties The School of Economics and Social Work for management, logistics, b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Annual Review Of Entomology
The ''Annual Review of Entomology'' is a peer-reviewed academic journal that publishes review articles about entomology, the study of insects. First published in 1956 from a collaboration between the Entomological Society of America and Annual Reviews, its longest-serving editors are Thomas E. Mittler (1967–1997) and May Berenbaum (1998–2018). As of 2022, it has a 2021 impact factor of 22.682. History In 1953, a committee within the Entomological Society of America examined the volume of literature published each year in the field and recommended that a journal be established that published review articles. The Entomological Society approached the nonprofit publisher Annual Reviews, which also agreed that there was a need for a review series in entomology. The ''Annual Review of Entomology'' published its first volume in 1956, making it the tenth title published by Annual Reviews. At first, the ESA remained involved with the operation of the journal and confirmed the e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Evolution (journal)
''Evolution: International Journal of Organic Evolution'', is a monthly scientific journal that publishes significant new results of empirical or theoretical investigations concerning facts, processes, mechanics, or concepts of evolutionary phenomena and events. ''Evolution'' is published by the Society for the Study of Evolution. Its current editor-in-chief is Tracey Chapman. Former editors-in-chief The journal was founded soon after the Second World War. Its first editor was the evolutionary geneticist Ernst Mayr. * Ruth Geyer Shaw, July 2013 – 2017 * Daphne Fairbairn Daphne (; ; el, Δάφνη, , ), a minor figure in Greek mythology, is a naiad, a variety of female nymph associated with fountains, wells, springs, streams, brooks and other bodies of freshwater. There are several versions of the myth in whi ..., 2010- June 2013 References External linksOfficial website Evolutionary biology journals Publications established in 1947 Academic journals published by l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deciduous
In the fields of horticulture and Botany, the term ''deciduous'' () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, after flowering; and to the shedding of ripe fruit. The antonym of ''deciduous'' in the botanical sense is evergreen. Generally, the term "deciduous" means "the dropping of a part that is no longer needed or useful" and the "falling away after its purpose is finished". In plants, it is the result of natural processes. "Deciduous" has a similar meaning when referring to animal parts, such as deciduous antlers in deer, deciduous teeth (baby teeth) in some mammals (including humans); or decidua, the uterine lining that sheds off after birth. Botany In botany and horticulture, deciduous plants, including trees, shrubs and herbaceous perennials, are those that lose all of their leaves for part of the year. This process is called abscissio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xylem
Xylem is one of the two types of transport tissue in vascular plants, the other being phloem. The basic function of xylem is to transport water from roots to stems and leaves, but it also transports nutrients. The word ''xylem'' is derived from the Ancient Greek word (''xylon''), meaning "wood"; the best-known xylem tissue is wood, though it is found throughout a plant. The term was introduced by Carl Nägeli in 1858. Structure The most distinctive xylem cells are the long tracheary elements that transport water. Tracheids and vessel elements are distinguished by their shape; vessel elements are shorter, and are connected together into long tubes that are called ''vessels''. Xylem also contains two other type of cells: parenchyma and fibers. Xylem can be found: * in vascular bundles, present in non-woody plants and non-woody parts of woody plants * in secondary xylem, laid down by a meristem called the vascular cambium in woody plants * as part of a stelar arrangement n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
