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Diparopsis Castanea
''Diparopsis castanea'' is the type species of the genus '' Diparopsis'': moths in the family Noctuidae; no subspecies are listed in the Catalogue of Life. This is known as the red bollworm, which is a significant pest of cotton crops in Eastern and Central-Southern Africa. Host Plants and Life cycle ''Diparopsis castanea'' is oligophagous: being totally restricted to cultivated and wild cotton (''Gossypium'' spp.), and a rare wild host plant: ''Cienfuegosia hildebrandtii'' (also in the tribe Gossypieae). The sky blue eggs are laid singly on stems leaves and bracts and hatch in to larvae that rapidly seek out and penetrate seed capsules (''i.e.'' bolls). The most effective chemical treatments against this pest include sprays that are directed against the eggs and first instar, because after this stage the larvae remain inside the bolls. The main infestation occurs during mid to late crop stage, and as the pupae can undergo diapause, the pest readily survives the dry season. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
George Francis Hampson
Sir George Francis Hampson, 10th Baronet (14 January 1860 – 15 October 1936) was an English entomologist. Hampson studied at Charterhouse School and Exeter College, Oxford. He travelled to India to become a tea-planter in the Nilgiri Hills of the Madras presidency (now Tamil Nadu), where he became interested in moths and butterflies. When he returned to England he became a voluntary worker at the Natural History Museum, where he wrote ''The Lepidoptera of the Nilgiri District'' (1891) and ''The Lepidoptera Heterocera of Ceylon'' (1893) as parts 8 and 9 of ''Illustrations of Typical Specimens of Lepidoptera Heterocera of the British Museum''. He then commenced work on ''The Fauna of British India, Including Ceylon and Burma: Moths'' (four volumes, 1892–1896). Albert C. L. G. Günther offered him a position as assistant at the museum in March 1895, and, after succeeding to his baronetcy A baronet ( or ; abbreviated Bart or Bt) or the female equivalent, a baronetess (, , ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Instar
An instar (, from the Latin '' īnstar'', "form", "likeness") is a developmental stage of arthropods, such as insects, between each moult (''ecdysis''), until sexual maturity is reached. Arthropods must shed the exoskeleton in order to grow or assume a new form. Differences between instars can often be seen in altered body proportions, colors, patterns, changes in the number of body segments or head width. After shedding their exoskeleton (moulting), the juvenile arthropods continue in their life cycle until they either pupate or moult again. The instar period of growth is fixed; however, in some insects, like the salvinia stem-borer moth, the number of instars depends on early larval nutrition. Some arthropods can continue to moult after sexual maturity, but the stages between these subsequent moults are generally not called instars. For most insect species, an ''instar'' is the developmental stage of the larval forms of holometabolous (complete metamorphism) or nymphal forms o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hadeninae
Hadeninae was formerly a subfamily of the moth family Noctuidae, but was merged into the subfamily Noctuinae. The tribes Apameini, Caradrinini, Elaphriini, Episemini, Eriopygini, Hadenini, Leucaniini, Orthosiini, and Xylenini The Xylenini are a mid-sized tribe of moths in the Hadeninae subfamily. There is some dispute about this tribe. Some resources have these genera listed under subfamily Cuculliinae instead, or upranked them to a distinct subfamily Xyleninae. Ge ... were moved from Hadeninae to Noctuinae. References {{Taxonbar, from=Q133306 Noctuidae Obsolete arthropod taxa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pesticide Application
Pesticide application refers to the practical way in which pesticides (including herbicides, fungicides, insecticides, or nematode control agents) are delivered to their ''biological targets'' (''e.g.'' pest organism, crop or other plant). Public concern about the use of pesticides has highlighted the need to make this process as efficient as possible, in order to minimise their release into the environment and human exposure (including operators, bystanders and consumers of produce). The practice of pest management by the rational application of pesticides is supremely multi-disciplinary, combining many aspects of biology and chemistry with: agronomy, engineering, meteorology, socio-economics and public health, together with newer disciplines such as biotechnology and information science. Decision making Optical data from satellites and from aircraft are increasingly being used to inform application decisions. Seed treatments Seed treatments can achieve exceptionally high ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helicoverpa
''Helicoverpa'' is a genus of moths in the family Noctuidae first described by David F. Hardwick in 1965. Some species are among the worst Lepidopteran agricultural pests in the world, and three species (''H. armigera'', ''H. zea'', and ''H. punctigera'') migrate long distances both with and without human transportation, mixing resistance alleles along the way. Extant species * '' Helicoverpa armigera'' (Hübner, 1805) - cotton bollworm * ''Helicoverpa assulta'' (Guenée, 1852) * '' Helicoverpa atacamae'' Hardwick, 1965 * '' Helicoverpa fletcheri'' Hardwick, 1965 * '' Helicoverpa gelotopoeon'' (Dyar, 1921) * '' Helicoverpa hardwicki'' Matthews, 1999 * '' Helicoverpa hawaiiensis'' Quaintance & Brues, 1905 * '' Helicoverpa helenae'' Hardwick, 1965 * '' Helicoverpa pallida'' Hardwick, 1965 * '' Helicoverpa prepodes'' Common, 1985 * ''Helicoverpa punctigera'' Wallengren, 1860 * '' Helicoverpa titicacae'' * '' Helicoverpa toddi'' Hardwick, 1965 * ''Helicoverpa zea ''Helicoverpa ze ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pyrethroid
A pyrethroid is an organic compound similar to the natural pyrethrins, which are produced by the flowers of pyrethrums (''Chrysanthemum cinerariaefolium'' and ''Chrysanthemum coccineum, C. coccineum''). Pyrethroids are used as commercial and household insecticides. In household concentrations pyrethroids are generally harmless to humans. However, pyrethroids are toxic to insects such as bees, dragonflies, mayflies, Horse-fly, gadflies, and some other invertebrates, including those that constitute the base of aquatic and terrestrial food webs. Pyrethroids are toxic to aquatic organisms, especially fish.Pyrethroids fact sheet from the Illinois Department of Public Health. They have been shown to be an effective control measure for malaria outbreaks, through indoor applications. ...
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Carbaryl
Carbaryl (1-naphthyl methylcarbamate) is a chemical in the carbamate family used chiefly as an insecticide. It is a white crystalline solid previously sold under the brand name Sevin, which was a trademark of the Bayer Company. The Sevin trademark has since been acquired by GardenTech, which has eliminated carbaryl from most Sevin formulations. Union Carbide discovered carbaryl and introduced it commercially in 1958. Bayer purchased Aventis CropScience in 2002, a company that included Union Carbide pesticide operations. Carbaryl was the third-most-used insecticide in the United States for home gardens, commercial agriculture, and forestry and rangeland protection. As a veterinary drug, it is known as carbaril (INN). Production Carbaryl is often inexpensively produced by direct reaction of methyl isocyanate with 1-naphthol. :C10H7OH + CH3NCO → C10H7OC(O)NHCH3 Alternatively, 1-naphthol can be treated with excess phosgene to produce 1- naphthylchloroformate, which is then ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Close Season
In an organized sports league, a typical season is the portion of one year in which regulated games of the sport are in session: for example, in Major League Baseball the season lasts approximately from the last week of March to the last week of September. In other team sports, like association football or basketball, it is generally from August or September to May although in some countries - such as Northern Europe or East Asia - the season starts in the spring and finishes in autumn, mainly due to weather conditions encountered during the winter. A year can often be broken up into several distinct sections (sometimes themselves called seasons). These are: a preseason, a series of exhibition games played for training purposes; a regular season, the main period of the league's competition; the postseason, a playoff tournament played against the league's top teams to determine the league's champion; and the offseason, the time when there is no official competition. Preseason In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Integrated Pest Management
Integrated pest management (IPM), also known as integrated pest control (IPC) is a broad-based approach that integrates both chemical and non-chemical practices for economic control of pests. IPM aims to suppress pest populations below the economic injury level (EIL). The UN's Food and Agriculture Organization defines IPM as "the careful consideration of all available pest control techniques and subsequent integration of appropriate measures that discourage the development of pest populations and keep pesticides and other interventions to levels that are economically justified and reduce or minimize risks to human health and the environment. IPM emphasizes the growth of a healthy crop with the least possible disruption to agro-ecosystems and encourages natural pest control mechanisms." Entomologists and ecologists have urged the adoption of IPM pest control since the 1970s. IPM allows for safer pest control. The introduction and spread of invasive species can also be managed wit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bract
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of a different color, shape, or texture. Typically, they also look different from the parts of the flower, such as the petals or sepals. A plant having bracts is referred to as bracteate or bracteolate, while one that lacks them is referred to as ebracteate and ebracteolate, without bracts. Variants Some bracts are brightly-coloured and serve the function of attracting pollinators, either together with the perianth or instead of it. Examples of this type of bract include those of ''Euphorbia pulcherrima'' (poinsettia) and ''Bougainvillea'': both of these have large colourful bracts surrounding much smaller, less colourful flowers. In grasses, each floret (flower) is enclosed in a pair of papery bracts, called the lemma (lower bract) and p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diparopsis
''Diparopsis'' is a genus of moths of the family Noctuidae, subfamily Hadeninae. It includes '' D. castanea'', which is the type species and, known as the "red bollworm", is a significant pest of cotton crops in Africa. Species The Catalogue of Life lists: * ''Diparopsis castanea ''Diparopsis castanea'' is the type species of the genus '' Diparopsis'': moths in the family Noctuidae; no subspecies are listed in the Catalogue of Life. This is known as the red bollworm, which is a significant pest of cotton crops in Eastern ...'' * '' Diparopsis gossypioides'' * '' Diparopsis perditor'' * '' Diparopsis tephragramma'' * '' Diparopsis watersi'' References External linksNatural History Museum Lepidoptera genus database* {{Taxonbar, from=Q5279713 Hadeninae ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gossypieae
Gossypieae is a tribe of the flowering plant subfamily Malvoideae. It includes the cotton (''Gossypium'') and related plants. It is distinguished from the Hibisceae on the basis of embryo structure and its apparently unique possession of glands able to synthesize the pigment gossypol. Genera The following genera are recognised. The Germplasm Resources Information Network (GRIN) differs in additionally including the genus '' Alyogyne'' and excluding the genus ''Thepparatia''. * '' Cephalohibiscus'' Ulbr. * '' Cienfuegosia'' Cav. * '' Gossypioides'' Skovst. ex J.B.Hutch. * ''Gossypium'' L. * ''Hampea'' Schltdl. * '' Kokia'' Lewton * ''Lebronnecia'' Fosberg * ''Thepparatia'' Phuph. * ''Thespesia ''Thespesia'' is a genus of 13 flowering shrubs and trees in the ''Hibiscus'' family, Malvaceae, although within the family they are more closely related to cotton plants (''Gossypium''). The genus is distributed from the South Pacific through ...'' Sol. ''ex'' Corrêa References ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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