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Effects Of Four Chitin Synthesis Inhibitors On Feeding And Mortality Of The Eastern Subterranean Termite Reticulitermes Flavipes Kollar Isopterarhinotermitidae
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Book Synopsis Effects of Four Chitin Synthesis Inhibitors on Feeding and Mortality of the Eastern Subterranean Termite, Reticulitermes Flavipes Kollar (Isoptera:Rhinotermitidae) by : Rebecca D. Vahabzadeh
Download or read book Effects of Four Chitin Synthesis Inhibitors on Feeding and Mortality of the Eastern Subterranean Termite, Reticulitermes Flavipes Kollar (Isoptera:Rhinotermitidae) written by Rebecca D. Vahabzadeh and published by . This book was released on 2002 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Termites and heritage buildings by : Brian Ridout
Download or read book Termites and heritage buildings written by Brian Ridout and published by Liverpool University Press. This book was released on 2023-04-01 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: The last overview of termites for the non-specialist was published several decades ago and in the intervening years, both knowledge, and the termites themselves have moved on. A 27-year eradication effort for one termite infestation in Devon has shown that UK structures are becoming vulnerable as the climate changes and also that extermination of a colony can be difficult even when there are no other termites waiting to invade. Heritage buildings often present even more problems. Survey work and treatments may be complicated by structural and material complexity overlain with a requirement to retain as much undisturbed and original fabric as possible. There will be concealed cavities not inspected, and inserted barriers, both chemical and physical, will inevitably be incomplete. This study discusses the modifiable environmental parameters that govern termite activity and offers a resume of the baits and chemical treatments that have been developed so that the most appropriate can be selected where necessary. It is primarily intended for those involved in conservation, both in the UK and elsewhere, who commonly have limited resources. It is hoped that it will also be of use to architects, surveyors and others with an interest in Heritage structures.
Download or read book Master's Theses Directories written by and published by . This book was released on 2003 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Education, arts and social sciences, natural and technical sciences in the United States and Canada".
Download or read book Sociobiology written by and published by . This book was released on 2007 with total page 1256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Behavioral Toxicology of the Eastern Subterranean Termite, Reticulitermes Flavipes (Kollar) (Isoptera Rhinotermitidae) by : Franklin Yao Quarcoo
Download or read book Behavioral Toxicology of the Eastern Subterranean Termite, Reticulitermes Flavipes (Kollar) (Isoptera Rhinotermitidae) written by Franklin Yao Quarcoo and published by . This book was released on 2009 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bioavailability and Uptake of Selected Termiticides to Control the Eastern Subterranean Termite, Reticulitermes Flavipes (Kollar) by : James W. Austin
Download or read book Bioavailability and Uptake of Selected Termiticides to Control the Eastern Subterranean Termite, Reticulitermes Flavipes (Kollar) written by James W. Austin and published by . This book was released on 1999 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laboratory and Field Evaluation of Imidacloprid Against Reticulitermes Flavipes (Kollar) and Coptotermes Formosanus Shiraki (isoptera:rhinotermitidae) Subterranean Termites in Texas by : Tony Christopher Keefer
Download or read book Laboratory and Field Evaluation of Imidacloprid Against Reticulitermes Flavipes (Kollar) and Coptotermes Formosanus Shiraki (isoptera:rhinotermitidae) Subterranean Termites in Texas written by Tony Christopher Keefer and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In one study described herein, 20 privately owned structures were treated with a 0.05% application of imidacloprid (Premise® 75 WSP) in order to control infestations of subterranean termites. All applications were made at 15 L per 3.05 linear m per 0.30 m of depth. Ten structures were infested with Reticulitermes flavipes (Kollar) and ten structures were infested with Coptotermes formosanus Shiraki. All structures were inspected through 42 months post-treatment. Only one structure infested with R. flavipes required post-treatment action. Six structures infested with C. formosanus required post-treatment action. In another study, efficacy data were gathered on Premise® Granules when broadcast over an open field and when utilized as a "spot treatment" for control of subterranean termites infesting structures. Open field grids with active R. flavipes were utilized in this study. Grids measuring 8.53 m x 7.32 m were marked off, in-ground commercial termite monitors were installed, and grids were treated with Premise® Granules. Untreated southern yellow pine surface boards were then placed in grids to determine if Premise® Granules would suppress foraging and feeding on surface boards. Premise® Granules did suppress surface feeding of R. flavipes for 9 months post-treatment, although termites were active throughout the study in in-ground commercial termite monitors within treated grids. In a third study, 10 structures built on monolithic slabs, five received a "spot treatment" with Premise® Granules at points of subterranean termite infestation 0.61 m either side of active exterior subterranean termite mud tubes. Structures were inspected through 12 mo post-treatment. Suppression of R. flavipes was sustained for 8 wks in all treatment replications following application of granules, with failures at 8, 12, and 28 weeks post-treatment. A laboratory trial was initiated to simulate field treatments with Premise® 75 WP 0.10 % AI imidacloprid for treatments of structures. The focus of this research was to investigate the dissipation and translocation of imidacloprid in urban environments. Treated sandy loam soil was added to 19-L buckets. Four different plant species commonly found in urban environments were planted in buckets. Results in these trials indicate that imidacloprid was soluble and that there is leaching.
Book Synopsis The Effects of Dietary Nitrogen on Symbiotic Nitrogen Fixation in the Eastern Subterranean Termite, Reticulitermes Flavipes by : Megan E. Meuti
Download or read book The Effects of Dietary Nitrogen on Symbiotic Nitrogen Fixation in the Eastern Subterranean Termite, Reticulitermes Flavipes written by Megan E. Meuti and published by . This book was released on 2008 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Wood-feeding termites possess symbiotic bacteria that are capable of fixing atmospheric nitrogen to ammonia. This bacterial process is not only central to termite nutrition, but it also has tremendous ecological importance as fixed nitrogen is often a limiting nutrient in terrestrial ecosystems. However, nitrogen fixation is energetically costly, and we therefore hypothesized that a high nitrogen diet would reduce termite dependence on symbiotic nitrogen fixation. This was tested by rearing workers of the eastern subterranean termite (Reticulitermes flavipes) on three food substrates--pine wood, pine needles, and aspen leaves--that differed significantly in percent nitrogen (0.07, 0.36, and 0.93% nitrogen, respectively). Termite and representative food samples were analyzed using an isotope ratio mass spectrometer. A mixed model equation was applied to determine the percent nitrogen derived from the atmosphere within each termite sample. Initial results indicated that nitrogen fixation rates are plastic within R. flavipes and they are negatively correlated with dietary nitrogen, as hypothesized. A follow-up study was conducted to investigate three assumptions associated with the initial experiment. The first assumption is that only nitrogen concentration, and not the nitrogen source (i.e. amino acids, urea, etc.), affects nitrogen fixation rates. This assumption is problematic as previous studies suggest that nitrogen fixation in R. flavipes is differentially affected by ammonium nitrate and urea. This is consistent with the observation that ammonium inhibits transcription of the nitrogenase enzyme that is responsible for nitrogen fixation. Second, because the isotope discrimination factor occurring as a result of digestion, [Delta]dig, is not known for R. flavipes, it was estimated by assuming that termites reared on the aspen leaf diet (highest percent nitrogen) did not fix any atmospheric nitrogen. Our estimates of [Delta]dig ranged from 4.1 to 6.9, which are slightly higher than those reported in the literature for other termite species (~3.4 to 5.8). Third, as the isotope discrimination factor occurring as the result of nitrogen fixation, [Delta]fix, was never calculated for any termite species, [Delta]fix was assumed to be within the range of nodulating plants ( -2 to 0). The second set of experiments addressed these issues by inhibiting nitrogen fixation in groups R. flavipes workers via force feeding the antibiotic kanamicin. Both antibiotic-treated and control (nitrogen-fixing) termites were then exposed to different concentrations of either urea or ammonium nitrate. By comparing the difference between the [delta]15N signatures of antibiotic-treated termites and their food sources, we calculated that [Delta]dig = 2.264. Similarly, by comparing the [delta]15N signatures of antibiotic-treated termites with control termites, we determined that [Delta]fix was equal to -1.125. Using these calculated values for [Delta]dig and [Delta]fix, a strong negative correlation between dietary nitrogen and symbiotic nitrogen fixation was evident for termites reared on urea and ammonium nitrate. These studies represent the first attempt to employ stable isotopes to study nitrogen fixation in R. flavipes and therefore significantly extend what is known about symbiotic nitrogen fixation and the role that this termite plays in nutrient cycling.
Book Synopsis Facts Proving the Good Conduct and Prosperity of Emancipated Negroes, and Remarks on Melioration by :
Download or read book Facts Proving the Good Conduct and Prosperity of Emancipated Negroes, and Remarks on Melioration written by and published by . This book was released on 1830* with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Subterranean Termites by : H. R. Johnston
Download or read book Subterranean Termites written by H. R. Johnston and published by . This book was released on 1972 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Termites - their appearance, biology, and habits; Prevention of termite attack during construction; Direct control methods; Control of termites in existing buildings; Other insects that damage wood in building.
Book Synopsis Effects of Disodium Octaborate Tetrahydrate in Ethylene Glycol on Consumption and Mortality of the Eastern Subterranean Termite by : Colin Dolan Hickey
Download or read book Effects of Disodium Octaborate Tetrahydrate in Ethylene Glycol on Consumption and Mortality of the Eastern Subterranean Termite written by Colin Dolan Hickey and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: At 783 ppm, DOT reduced cellulose ingestion by ~10%. At 303,209 ppm DOT, ingestion was reduced by ~84%. Despite reduction in consumption of filter paper, DOT consumption increased with higher concentration of treatment. DOT did not deter feeding of the treated filter paper. When mortality of termites was observed at 192 h, greater mortality had occurred in treatments at the highest concentration of DOT (81.3% for 303,209 ppm DOT). Termites were ingesting greater quantities of DOT with higher concentration of treatment. High mortality was caused by ingestion of lethal doses of DOT. My study determined that DOT kills termites rapidly by ingestion, consequently limiting damage to wood in the structure. DOT/glycol treatments were not found to be deterrents of feeding except at the highest concentrations. As a result, untreated wood in the structure can be protected because treated wood would be a more convenient food source and the treatment would probably not cause feeding deterrence.
Book Synopsis Termites: Evolution, Sociality, Symbioses, Ecology by : Y. Abe
Download or read book Termites: Evolution, Sociality, Symbioses, Ecology written by Y. Abe and published by Springer. This book was released on 2014-11-14 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is a new compendium in which leading termite scientists review the advances of the last 30 years in our understanding of phylogeny, fossil records, relationships with cockroaches, social evolution, nesting, behaviour, mutualisms with archaea, protists, bacteria and fungi, nutrition, energy metabolism,population and community ecology, soil conditioning, greenhouse gas production and pest status.
Book Synopsis Efficacy of Chitin Synthesis Inhibitors by :
Download or read book Efficacy of Chitin Synthesis Inhibitors written by and published by . This book was released on 2020-06-04 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the advent of man, a struggle has been in progress between him and insects but with very little success with regard to the control of insects. Only in recent years, a conscious and deliberate attempt has been made to bring together all control measures into a harmonious and more satisfactory programme as an integrated control measure due to the problems arisen as a result of widespread indiscriminate use of synthetic organic insecticides. Progressively, less use of cultural and other practices and greater dependence on chemical compounds have produced, in many cases, a mono-system pest control. The term 'chitin synthesis inhibitor' has been given to a new class of bio-rational compounds through greater selectivity of action. These compounds appear to fit the requirement of fourth-generation pesticides, such as the absence of undesirable effects on man, wildlife and the environment and compatibility with modern principle of insect-pest management. The present investigation hence includes a study on the efficacy of three chitin synthesis inhibitor compounds-Penfluron, Diflubenzuron and Furyltriazine-on Tribolium castaneum and Heliothis armigera and on the mode of action based on histopathological studies on peritrophic membrane and testis of Heliothis armigera treated with these compounds to check the F1 generation of pest population.
Book Synopsis Natural Bioactive Products in Sustainable Agriculture by : Joginder Singh
Download or read book Natural Bioactive Products in Sustainable Agriculture written by Joginder Singh and published by Springer Nature. This book was released on 2020-05-11 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses various aspects of bioactive natural products employed in the agrochemical and agriculture sectors. It covers the use of plants, microorganisms, and microbial metabolites as eco-friendly, cost-effective, and sustainable alternatives to chemicals in the field of agriculture. Written by active researchers and academics, the book highlights state-of-art products in the field, as well as the gaps, challenges, and obstacles associated with the use of plants, microbes and their products. Given its scope, it is a valuable resource for the scientific community and professionals in enterprises wanting insights into the latest developments and advances in the context of biological products, including their applications, traditional uses, modern practices, and strategies to harness their full potential.
Book Synopsis Polyphagous Pests of Crops by : Omkar
Download or read book Polyphagous Pests of Crops written by Omkar and published by Springer Nature. This book was released on 2021-01-04 with total page 539 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polyphagous pests are primarily agricultural pests that feed on economically important agricultural and horticultural crops of wide taxonomic diversity across the globe. They cause immense damage across different crop varieties owing to their generalist and voracious food habits. The advent of mono-crop culture in a huge area and the massive use of pesticides post green revolution have massively increased pest outbreaks all over the world. The Middle Eastern countries, African continent and even the Indian subcontinent is increasingly facing resurgences of polyphagus pests. This book compiles an inclusive account of polyphagous pests. It covers locusts, termites, aphids, whiteflies, mealybugs, scale insects, gram pod borer, fall armyworm, thrips, mites and rodents. The book discusses mode of spread, enormity of losses caused, mechanism of action, and also means to reduce the crop losses. It brings together a unique perspective for researchers to learn effective pest management practices across all crops. This book is a reference guide to researchers and also useful for academicians and students of entomology.
Book Synopsis The potential of a juvenile hormone analogue and a chitin synthesis inhibitor to control subterranean termites by : Muna Abdelaziz Mohamed
Download or read book The potential of a juvenile hormone analogue and a chitin synthesis inhibitor to control subterranean termites written by Muna Abdelaziz Mohamed and published by . This book was released on 2002 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biology of Termites: a Modern Synthesis by : David Edward Bignell
Download or read book Biology of Termites: a Modern Synthesis written by David Edward Bignell and published by Springer Science & Business Media. This book was released on 2010-10-20 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biology of Termites, a Modern Synthesis brings together the major advances in termite biology, phylogenetics, social evolution and biogeography. In this new volume, David Bignell, Yves Roisin and Nathan Lo have brought together leading experts on termite taxonomy, behaviour, genetics, caste differentiation, physiology, microbiology, mound architecture, biogeography and control. Very strong evolutionary and developmental themes run through the individual chapters, fed by new data streams from molecular sequencing, and for the first time it is possible to compare the social organisation of termites with that of the social Hymenoptera, focusing on caste determination, population genetics, cooperative behaviour, nest hygiene and symbioses with microorganisms. New chapters have been added on termite pheromones, termites as pests of agriculture and on destructive invasive species.
