Download or read book Control of German cockroach Blattela germanica L in public housing with combinations of various insecticides written by Sherylee J. Thompson and published by . This book was released on 1995 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Biology and Management of the German Cockroach written by Changlu Wang and published by CSIRO PUBLISHING. This book was released on 2021-05-03 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a species, the German cockroach is one of the most widespread indoor urban pests worldwide. While numerous products have been developed to control their spread, German cockroaches continue to contaminate food, transmit disease and cause significant, long-term economic expense to homes, restaurants, hospitals and more. Biology and Management of the German Cockroach summarises the many advances in management technology, products, delivery systems, and basic and applied research over the past 25 years. Leading researchers explain why the German cockroach is a medically important pest and how its microbiome can provide new insights on cockroach physiology and potential novel targets for control. The authors also address the research from a practical standpoint, detailing why baits have replaced sprays as the primary method of control and how population genetic studies allow for better understanding of cockroach dispersal and population structure. Leading experts on integrated pest management (IPM) explore how studies on German cockroach control programs demonstrate the value and feasibility of IPM in urban environments. This book provides the reader with a comprehensive understanding of the German cockroach and will be a valuable reference for researchers, graduate students, pest management professionals, health workers and government agencies dealing with urban pests and pesticides.
Download or read book Understanding and Controlling the German Cockroach written by Michael K. Rust and published by Oxford University Press. This book was released on 1995-01-05 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: The German cockroach is considered to be the most resilient and ecologically important insect pest found in homes, apartments, and commercial facilities in the United States and across the world. This book expertly provides up-to-the-minute information about the behavior and biology of this pest--including taxonomy, distribution, morphology, and genetics--as it may relate to effective technologies for its control. Building on information presented piecemeal in books and articles appearing over more than 50 years, the book features over 1,200 references related to the German cockroach, most published within the last year. With contributions from the top experts, the book will be invaluable to students and practitioners of entomology and pest management.
Download or read book Public Health Significance of Urban Pests written by Xavier Bonnefoy and published by World Health Organization. This book was released on 2008 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second half of the 20th century and the beginning of the 21st century witnessed important changes in ecology, climate and human behaviour that favoured the development of urban pests. Most alarmingly, urban planners now face the dramatic expansion of urban sprawl, in which city suburbs are growing into the natural habitats of ticks, rodents and other pests. Also, many city managers now erroneously assume that pest-borne diseases are relics of the past. All these changes make timely a new analysis of the direct and indirect effects of present-day urban pests on health. Such an analysis should lead to the development of strategies to manage them and reduce the risk of exposure. To this end, WHO invited international experts in various fields - pests, pest-related diseases and pest management - to provide evidence on which to base policies. These experts identified the public health risk posed by various pests and appropriate measures to prevent and control them. This book presents their conclusions and formulates policy options for all levels of decision-making to manage pests and pest-related diseases in the future. [Ed.]
Download or read book Developing and Implementing Novel Methods to Control German Cockroaches and Bed Bugs written by Chen Zha and published by . This book was released on 2017 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: The German cockroach, Blattella germanica L. (Blattodea: Blattellidae), and the common bed bug, Cimex lectularius L. (Hemiptera: Cimicidae), are two common indoor pests of significant medical, economical, and social importance. In my studies, I evaluated several novel approaches for managing German cockroaches and bed bugs in apartment buildings. My researches involved both field and laboratory studies. In my first study, I determined the effect of a community-wide cockroach integrated pest management (IPM) on cockroach and pyrethroid residue reduction in a complex consisting of 258 units within 40 buildings in New Brunswick, New Jersey. At 7 mo after IPM implementation, 85% of the cockroach infestations found in the initial survey were eliminated. After 7 mo, the average number of detected pyrethroids decreased significantly from 6 ± 1 mean (± SEM) and 5 ± 1 to 2 ± 1 and 3 ± 1 in the kitchen and bedroom, respectively; the average concentrations of targeted pyrethroids residue decreased significantly from initial concentrations of 1.45 ± 0.39 and 3.31 ± 2.22 ng/cm2 to 0.29 ± 0.17 and 0.80 ± 0.61 ng/cm2 in the kitchen and bedroom, respectively. In my second study, I investigated the spatial distribution patterns of German cockroach infestations in a 188-unit high-rise apartment building before and after building-wide IPM implementation, and determined the optimum cockroach monitoring method in apartments. I found that the cockroach infestations among the apartments within the building were not independently distributed at 0 mo; infestations facing each other across the hallway, sharing walls, and sharing ceiling/floor were correlated to each other. However, infestations at 12 mo after IPM implementation were independent from each other. New infestations at 6 and 12 mo after IPM implementation were independent from existing infestations. Compared to 2 d trap placement, 14 d trap placement not only had higher trap catch, but also detected more infestations; therefore a longer period of trap placement is recommended for cockroach monitoring. In my third study, I evaluated the toxicities of various essential oils, silicone oils, and paraffin oil against bed bugs. The LD50 values of the most effective essential oil (blood orange), paraffin oil (C5-20 Paraffins), and the most effective silicone oil (Dodecamethylpentasiloxane) were 0.184 ± 0.018, 0.069 ± 0.012, and 0.036 ± 0.005 mg/bug, respectively. Direct spray of 1% water solution of 3-[Hydroxy (polyethyleneoxy) propyl] heptamethyltrisiloxane, the only silicone oil that mixes well with water, resulted in 92% bed bug mortality after 1 d. Results of this study indicated silicone oils and paraffin oil have the potential to be used as a safer alternative bed bug control materials. In my fourth study, I evaluated the effect of moxidectin, an anthelmintic drug, on bed bug feeding, development, fecundity, and mortality. High concentrations of moxidectin reduced the fecundity of bed bug females. One time feeding on rabbit blood containing 20 and 40 ng/ml moxidectin significantly reduced digestion rates and nymph molting rates. Therefore, moxidectin treatment is a promising addition to the existing bed bug management tools if its use on human can be approved in the future.
Download or read book Application of Insecticides to Control the German Cockroach Blattella Germania L written by Jing Zhai and published by . This book was released on 1991 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Control of Insecticide resistant German Cockroaches Blattella Germanica L Dictyoptera Blattellidae in Food outlets with Hydramethylnon based Bait Stations written by C. Y. Lee and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Synergism studies suggested possible involvement of monooxygenase and esterase in the resistance in these strains. Laboratory assays of the bait stations against all five strains showed similar results when compared to that of the laboratory susceptible strain.
Download or read book Resistance and Cross resistance of the German Cockroach Blattella Germanica L to Insecticides written by Takashi Ishii and published by . This book was released on 1964 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Development and Validation of a Simplified Test to Determine the Susceptibility of the German Cockroach Blattella Germanica L to Several Insecticides written by Kevin Scott Jordan and published by . This book was released on 1987 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Interrelationship of Nutrition Growth Development and Insecticide Exposure in the German Cockroach Blattella Germanica L written by Richard Dale Kramer and published by . This book was released on 1987 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Homeostatic processes within insects are affected by various extrinsic factors and are maintained through compensatory and/or inductive responses. A study was conducted to evaluate the interrelationship of two extrinsic factors (nutrition and pesticide exposure), on growth, development, feeding behavior and insecticide susceptibility in German cockroaches, Blattella qermanica (L.). Amount of dietary protein had no effect on susceptibility of male German cockroaches to propoxur and chlorpyrifos. The source of protein produced significant changes in insecticide susceptibility. Laboratory rodent chow increased total body lipids, carbohydrates and uric acid which may have resulted in increased tolerance to these insecticides. Three days of food and/or water deprivation had little effect on chlorpyrifos susceptibility, but susceptibility to propoxur increased under these conditions. Following topical propoxur application, males lost 10% of their body weight in the form of water, but this loss did not result in significant changes in water or food consumption subsequent to treatment. Hydroprene produced morphogenetic changes and increased total body mass in emergent adults. Morphogenetic changes in males occurred in the left and right phallomeres, subgenital plate and styli, precluding copulation and was related to dose and age of nymphal exposure. Total body mass of exposed males increased as much as 53% and of females as much as 47%; this change in body mass was accompanied by changes in water balance, total body carbohydrates, lipids and urates. Orlando normal males exposed to a low dose of hydroprene exhibited a slight increase in susceptibility to propoxur, while susceptibility to chlorpyrifos decreased. The multiresistant HRDC strain exhibited similar responses, except that a high hydroprene dose resulted in their increased tolerance to chlorpyrifos. The compounds A9248 and allopurinol were evaluated as growth inhibitors. The antimicrobial agent, A9248, when formulated as a 4% bait, produced 100% mortality in nonchoice tests; in choice tests, however, 32% survived, and reproduction occurred. Allopurinol 2% bait inhibited the accumulation of uric acid in nymphs, reduced percent survival to between 2 and 7%, and postemergent adult survivors failed to reproduce. Adults fed the bait produced significantly fewer nymphs per female.
Download or read book Insecticide Resistance of German Cockroaches Blattella Germanica L from Various Areas of Louisiana written by Gary Wayne Bennett and published by . This book was released on 1967 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Toxicological Studies of Several Insecticides on the German Cockroach Blattella Germanica L Dictyoptera Blattellidae written by Samir Farid Abd-Elghafar and published by . This book was released on 1991 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book German Cockroach Blattella Germanica L Control Studies with Acephate in Low Volume Volatile and Non volatile written by Charles E. Tatem and published by . This book was released on 1974 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effects of Three Insecticides on Oothecal bearing German Cockroach written by James Dale Harmon and published by . This book was released on 1987 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Production Developmental Expression Physiological Regulation and Mitigation of German Cockroach Allergens written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The German cockroach, Blattella germanica (L.) (Dictyoptera: Blattellidae), produces several allergens, including B. germanica allergen 1 (Bla g 1). Although the clinical significance and abatement of German cockroach allergens continues to be extensively studied, little is known about their basic biology. Using molecular and physiological approaches, my research elucidated where Bla g 1 is produced, its tissue distribution, developmental expression patterns, and its physiological regulation in the German cockroach. Bla g 1 is found predominantly in, and produced exclusively by, the midgut. Although it is produced by all stages and both sexes, adult females produce and excrete in their feces significantly more Bla g 1 than adult males and nymphs. Quantitative analyses of Bla g 1 mRNA expression in the female gut, and Bla g 1 content of the female and her feces showed a cyclic pattern in relation to the gonadotrophic cycle; Bla g 1 increased during the first 5 d after adult eclosion, when food intake increases, decreased before oviposition, as food consumption declines, and remained low while the female carried an egg case. After hatch, when the female resumed feeding, feces and Bla g 1 production increased. Forced starvation depressed both Bla g 1 mRNA expression and protein levels in adult females; Bla g 1 production increased and the gonadotrophic cycle resumed when food was returned. Bla g 1 mRNA expression also increased significantly in response to feeding compared to starved females. These data show that Bla g 1 is produced in relation to food intake and may be involved in digestion. The best approach to allergen mitigation is to remove the source of the allergen, or cockroach control. Pest control in the confined swine production industry relies primarily on broad-spectrum residual organic sprays. However, recent regulatory restrictions that limit the use of organophosphate insecticides and a rising frequency of resistance to pyrethroid insecticides have led.
Download or read book Urban Entomology written by Walter Ebeling and published by Division of Agricultural Sciences University of California. This book was released on 1975 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Influence of Fecal Extracts on German Cockroach Blattella Germanica L Trail Following Behavior Insecticide Efficacy and Trap Catch written by Dini Michele Miller and published by . This book was released on 1998 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
