Biological Control Of Gorse In New Zealand
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Biological Control Of Gorse In New Zealand
Biological control programs for gorse in New Zealand have existed since the introduction of the gorse seed weevil (''Exapion ulicis'') in 1928. Biological pest control is the use of natural mechanisms such as predation to limit the growth and prevalence of a pest. The early research into the biological control of common gorse in New Zealand was among the first of such programs worldwide. Background Gorse was introduced to New Zealand by missionaries during the early stages of European colonization and quickly became a popular hedge plant, remaining in widespread use as fence material until the 1950s, when it was largely superseded by wire and posts. It is still a common fence material on the Canterbury Plains, where it was most popular. It established itself very quickly, and the lack of natural predators or other controls meant that it spread rapidly, flowering for longer periods and growing to a larger size than it did in Europe. Gorse is an extremely hardy plant which forms den ...
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Gorse With Spider Web 01
''Ulex'' (commonly known as gorse, furze, or whin) is a genus of flowering plants in the family Fabaceae. The genus comprises about 20 species of thorny evergreen shrubs in the subfamily Faboideae of the pea family Fabaceae. The species are native to parts of western Europe and northwest Africa, with the majority of species in Iberia. Gorse is closely related to the brooms and like them has green stems and very small leaves and is adapted to dry growing conditions. However it differs in its extreme thorniness, the shoots being modified into branched thorns long, which almost wholly replace the leaves as the plant's functioning photosynthetic organs. The leaves of young plants are trifoliate, but in mature plants they are reduced to scales or small spines. All the species have yellow flowers, generally showy, some with a very long flowering season. Species The greatest diversity of ''Ulex'' species is found in the Iberian Peninsula, and most species have narrow distribution ...
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Department Of Conservation (New Zealand)
The Department of Conservation (DOC; Māori: ''Te Papa Atawhai'') is the public service department of New Zealand charged with the conservation of New Zealand's natural and historical heritage. An advisory body, the New Zealand Conservation Authority (NZCA) is provided to advise DOC and its ministers. In addition there are 15 conservation boards for different areas around the country that provide for interaction between DOC and the public. Function Overview The department was formed on 1 April 1987, as one of several reforms of the public service, when the ''Conservation Act 1987'' was passed to integrate some functions of the Department of Lands and Survey, the Forest Service and the Wildlife Service. This act also set out the majority of the department's responsibilities and roles. As a consequence of Conservation Act all Crown land in New Zealand designated for conservation and protection became managed by the Department of Conservation. This is about 30% of New Z ...
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Radiata Pine
''Pinus radiata'' ( syn. ''Pinus insignis''), the Monterey pine, insignis pine or radiata pine, is a species of pine native to the Central Coast of California and Mexico (Guadalupe Island and Cedros island). It is an evergreen conifer in the family Pinaceae. ''P. radiata'' is a versatile, fast-growing, medium-density softwood, suitable for a wide range of uses. Its silviculture reflects a century of research, observation and practice. It is often considered a model for growers of other plantation species. It is the most widely planted pine in the world, valued for rapid growth and desirable lumber and pulp qualities. Although ''P. radiata'' is extensively cultivated as a plantation timber in many temperate parts of the world, it faces serious threats in its natural range, due to the introduction of pine pitch canker (''Fusarium circinatum''). Description ''P. radiata'' is a coniferous evergreen tree growing to tall in the wild, but up to in cultivation in optimum conditio ...
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Pempelia Genistella
''Pempelia genistella'', the gorse colonial hard shoot moth, is a moth of the family Pyralidae. It is native to south-western Europe and north-western Africa, but has been introduced as a biological control agent for gorse in New Zealand and Hawaii. The wingspan is 26–29 mm. Adults are on wing in July in western Europe. The larvae feed on the needles of ''Ulex europaeus ''Ulex europaeus'', the gorse, common gorse, furze or whin, is a species of flowering plant in the family Fabaceae, native to the British Isles and Western Europe. Description Growing to tall, it is an evergreen shrub. The young stems are g ...'' in which they spin a dense, conspicuous silken communal web. References External linksUKmothsStatus as Biological Control Agent in New Zealand
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Scythris Grandipennis
''Scythris grandipennis'' is a moth of the family Scythrididae found in Europe. Description The moth flies mainly during the day and has a wingspan of circa 12–20mm. The bronze forewings are long, pointed with a few whitish scales in the disc. The gregarious larvae make a silk web and feed on the shoots of the food plant which include Spanish gorse (''Genista hispanica''), '' Genista sagittalis'', dyer's greenweed (''Genista tinctoria''), European gorse (''Ulex europaeus'') and dwarf gorse (''Ulex minor ''Ulex minor'', the dwarf furze or dwarf gorse is an evergreen dwarf shrub in the family Fabaceae, native to eastern England, France, Spain and Portugal. It is restricted to lowland heathland habitats. It normally grows about tall, although in ...''). References grandipennis Moths of Europe Moths described in 1828 Taxa named by Adrian Hardy Haworth {{Scythrididae-stub ...
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Scythris
''Scythris'' is a genus of gelechioid moths. It is the type genus of the flower moth family, which is sometimes included as a subfamily in the ''Xyloryctidae'', or together with these merged into the Oecophoridae. The genus was erected by Jacob Hübner in 1825. It is the largest genus of flower moths, and as such might not be fully monophyletic with regard to some very small or monotypic genera placed in the same family. In addition, new species of ''Scythris'' continue to be discovered and described.FE (2009), and see references in Savela (2008) Selected species Species groups The species of ''Scythris'' have been divided among several groups, which may or may not be monophyletic; those that are may – provided they are closely enough related to the type species '' S. limbella'' – be considered subgenera. There is a considerable number of species whose exact relationships are hitherto elusive. Some have been placed in a "Monospecific species group" of their o ...
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Cydia Succedana
''Cydia succedana'', or Gorse Pod Moth is a species of moth of the family Tortricidae. It is found in Europe and has been introduced to New Zealand. The wingspan is 11-16 mm.The forewings have an irregular white cross-band (usually not reaching the costal edge), otherwise some white costal spots and a pair of more or less blurry, silvery slashes at the apex. It is not possible to distinguish safely between this species and '' Cydia albipicta'' based on external appearance, one must examine the genitals where there are clear differences. The moth flies from April to September depending on the location. The larvae feed on ''Ulex europaeus'', ''Genista'', '' Lotus'' and ''Cytisus scoparius''. The larva is used as an agent to biologically control gorse ''Ulex'' (commonly known as gorse, furze, or whin) is a genus of flowering plants in the family Fabaceae. The genus comprises about 20 species of thorny evergreen shrubs in the subfamily Faboideae of the pea family Fabaceae. ...
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Cydia Succedana Cropped
Cydia is a graphical user interface of APT (Advanced Package Tool) for iOS. It enables a user to find and install software not authorized by Apple on jailbroken iPhones, iPads and iPod Touch devices. It also refers to digital distribution platform for software on iOS accessed through Cydia software. Most of the software packages available through Cydia are free of charge, although some require purchasing. Cydia is developed by Jay Freeman (named "saurik") and his company, SaurikIT. The name "Cydia" is a reference to the moth genus ''Cydia'', notably the Codling Moth (''Cydia pomonella''). Purpose and function Cydia provides a graphical user interface (GUI) to jailbroken users using Advanced Packaging Tool (a package manager) repositories to install software unavailable on the App Store. Cydia is based on APT, ported to iOS as part of Jay Freeman's Telesphoreo project. Packages are downloaded through a list of repositories. Packages are installed through the list of repos ...
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Agonopterix Umbellana
''Agonopterix umbellana'' (gorse soft shoot moth) is a moth of the family Depressariidae. It is native to western Europe, but was introduced to Hawaii in 1988 and New Zealand in 1990 to control ''Ulex europaeus''. The wingspan is about 21 mm. The forewings are whitish ochreous ; veins and dorsum marked with dark fuscous lines ; first and sometimes second discal stigmata black ; terminal black dots. Hindwings pale whitish-grey, round apex sometimes interruptedly dark-edged. The larva is dull green ; dots black ; head and plate of 2 blackMeyrick, E., 1895 ''A Handbook of British Lepidoptera'' MacMillan, Londopdf Keys and description Adults are on wing from August to April. It hibernates during winter and can reappear in the early spring. The larvae feed on ''Ulex'' and ''Genista Genista is a genus of flowering plants in the legume family Fabaceae, native to open habitats such as moorland and pasture in Europe and western Asia. They include species commonly called broo ...
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Phytoseiulus Persimilis
''Phytoseiulus'' is a genus of mites in the Phytoseiidae family. A predatory mite, this is the mite predator most frequently used to control two-spotted spider mites in greenhouses and outdoor crops grown in mild environments. This mite was accidentally introduced into Germany from Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ... in 1958; it was subsequently shipped to other parts of the world, including California and Florida, from Germany. A ''Phytoseiulus'' mite can consume up to seven adult spider mites or several dozen of their eggs in a day. Adult females are reddish, pear-shaped, about long, and active at room temperature. Immatures and males are smaller and lighter in color. Eggs are oblong. About 80% are females. At optimum temperatures, Phytoseiidae can develop f ...
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Stethorus Bifidus
''Stethorus'' is a genus of spider mite destroyers in the beetle family Coccinellidae. There are more than 40 described species in ''Stethorus''. Species These 49 species belong to the genus ''Stethorus'': * '' Stethorus aptus'' Kapur, 1948 * '' Stethorus atomus'' Casey * '' Stethorus balearicus'' Fursch, 1987 * '' Stethorus bifidus'' Kapur, 1948 * '' Stethorus brasilensis'' Gordon & Chapin, 1983 * '' Stethorus brevis'' Casey * '' Stethorus caribus'' Gordon & Chapin, 1983 * '' Stethorus caseyi'' Gordon & Chapin, 1983 * '' Stethorus chengi'' Sasaji, 1968 * '' Stethorus comoriensis'' Chazeau, 1971 * '' Stethorus emarginatus'' Miyatake, 1966 * '' Stethorus fijiensis'' Kapur, 1948 * '' Stethorus fractus'' Gordon & Chapin, 1983 * ''Stethorus gilvifrons'' (Mulsant, 1850) * '' Stethorus griseus'' , 1979 * '' Stethorus grossepunctatus'' Gordon & Chapin, 1983 * '' Stethorus gutierrezi'' Chazeau, 1979 * ''Stethorus hirashimai'' Sasaji, 1967 * ''Stethorus japonicus'' H.Kamiya, 1959 * ''Ste ...
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