Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 21 for “"invasive pest"”.
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Assessing the synergy between the Sterile Insect Technique and Classical Biological Control for sustainable management of the invasive pest Bagrada hilaris (Hemiptera: Pentatomidae)
… is largely represented by phytophagous insect pests, which are responsible for global economic losses of at least $70 billion annually. The protagonist of this study, Bagrada hilaris (Burmeister) (Hemiptera: Pentatomidae), in addition to being a pest of cruciferous plants in areas where it is …
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Predicting Pests: A History of International Plant Pest Reporting and Risk Analysis
… borders to anticipate, and thus prevent, invasive pest problems in agriculture, largely focusing on developments since World War II. It shows how these experts characterised pest invasion as an international issue that could only be addressed through international cooperation. The Food and …
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Mathematical models and numerical methods for the movement and life cycle of invasive pests across multiple scales
Invasive pests pose a significant threat to agriculture and native ecosystems. An important tool for managing these invasive pests is mathematical modeling, which enables forecasting of movements and the establishment potential of invasive species in an area, and can provide warnings to …
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Exploring Aethina tumida Biology and the Impacts of Environmental Factors to Generate Novel Management Strategies
The small hive beetle (Aethina tumida) is an invasive pest from sub-Saharan Africa that has posed increasing threats to European honey bee (Apis mellifera) colonies in the United States over the past two decades. While control has been attempted, consistently effective management strategies still …
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Eastern Hemlock Needle Physiology as Impacted by Hemlock Wooly Adelgid and Treatment with Imidacloprid
… had been occurring with the introduction of the invasive pest, hemlock woolly adelgid (Adelges tsugae Annand) (HWA). HWA now threatens to destroy millions of hectares of hemlock dominated forests and to disrupt its associated ecosystems. In order to determine how HWA impacts hemlock physiology, …
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Post-release establishment and supercooling point assessment of Laricobius osakensis, a predator of the hemlock woolly adelgid
… tsugae Annand (Hemiptera: Adelgidae), is an invasive pest from Japan that is causing significant hemlock mortality in the eastern U.S. The most promising control method is biological control. Beetles in the genus Laricobius are adelgid specialists. In 2005, Laricobius osakensis, was …
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Phasgonophora sulcata Westwood (Hymenoptera: Chalcididae): A Potential Augmentative Biological Control Agent For The Invasive Agrilus planipennis Fairmaire (Coleoptera: Buprestidae) in Canada
… Fairmaire (Coleoptera: Buprestidae), is an invasive pest of ash (Fraxinus spp.) in North America. Since its accidental introduction in the early 1990's, A. planipennis has killed millions of ash trees in 22 states and 2 provinces. The widespread establishment of this pest has made …
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Studies on the Structure and Pathogens of the Small Hive Beetle (Coleoptera: Nitidulidae)
… small hive beetle (Aethina tumida, SHB) is an invasive pest of honey bee (Apis mellifera) colonies in the United States. The adult and larval beetles can ruin honey through fecal contamination and by vectoring a mutualistic yeast (Kodamaea ohmeri) that causes honey fermentation. These beetles …
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Integrated pest management of the Mexican rice borer in Louisiana and Texas sugarcane and rice
… sugarcane, <i>Saccharum</i> spp., and the invasive species Mexican rice borer, <i>Eoreuma loftini</i> (Dyar), were evaluated in field experiments and in the greenhouse with rice, <i>Oryza sativa</i> L., as an additional host. By determining adult emergence holes together with percent bored …
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Cold Tolerance, Diapause and Winter Survival of the Brown Marmorated Stink Bug (<i>Halyomorpha halys</i>)
… halys, </em>is native to eastern Asia and is an invasive pest in the United States. Limited research has been done regarding the factors influencing this species’ winter survival within invaded northern regions. Cold tolerance has been previously evaluated in the eastern United States, bot nut …
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Pre-release Evaluation of Laricobius osakensis Montgomery and Shiyake (Coleoptera: Derodontidae), a Potential Biological Control Agent for the Hemlock Woolly Adelgid, Adelges tsugae Annand (Hemiptera: Adelgidae), in the Eastern United States
… woolly adelgid, Adelges tsugae Annand, is an invasive pest threatening eastern (Tsuga canadensis (L.) Carrière) and Carolina hemlock (T. caroliniana Englem.) forests in the eastern US. A new predator, Laricobius osakensis Montgomery and Shiyake, has been found in association with A. tsugae in …
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Biological Studies and Evaluation of Scymnus Coniferarum, a Predator of Hemlock Woolly Adelgid from Western North America
… adelgid (HWA), Adelges tsugae Annand, is an invasive pest of eastern hemlock, Tsuga canadensis (L.) Carriere and Carolina hemlock Tsuga caroliniana Englem. in the eastern United States. A newly reported beetle predator for HWA, Scymnus (Pullus) coniferarum Crotch (Coleoptera: Cocinellidae) …
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An Assessment of the Potential Impacts of Emerald Ash Borer (Agrilus planipennis Fairmaire) on Virginia's Municipal Street Trees
… (Agrilus planipennis Fairmaire) (EAB) is an invasive, wood-boring beetle (Coleoptera: Buprestidae) introduced unintentionally to the United States from East Asia that infests and eventually kills native ash trees (Fraxinus spp.). First detected near Detroit, Michigan in 2002, EAB had spread …
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Understanding Japanese Maple Scale Biology to Inform Sustainable Pest Management Practices in Virginia Nurseries
… known as Japanese maple scale (JMS), is an invasive pest established in the United States in 1914. Over the past decade, JMS infestations have escalated, posing a significant threat to the nursery industry, and resulting in economic losses from unsellable infested plants. The limited …
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Spotted-wing Drosophila: Investigating the Efficacy of Innovative and Alternative Management Techniques
… SWD) established recently in North America as an invasive insect pest of small and soft skinned fruit, responsible for significant economic losses nationwide and locally in Minnesota. Female SWD use a heavily sclerotized and serrated ovipositor to deposit eggs in ripening and ripe fruit. Larvae …
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The Origins of Terpene Infochemicals in Insects: Identification and Evolutionary Analysis of Terpene Synthases in Diverse Lineages
… in pentatomids (stink bugs) including the invasive and economically critical pests Nezara viridula (Southern green stink bug) and Halyomorpha halys (brown marmorated stink bug). I also performed a comprehensive phylogenetic analysis of TPS genes in species across the broader order of …
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Genomic insights into the evolution of the parasitoid Microctonus aethiopoides
… biological control programmes for controlling invasive pest populations. In Aotearoa New Zealand, there are two strains of Microctonus aethiopoides that have been used against two serious pest weevils of the Sitona group. However, there is limited understanding of M. aethiopoides adaptability, …
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Genome-scaled molecular clock studies of invasive mosquitoes and other organisms of societal relevance
… such as Anopheles and Drosophila, as well as to invasive mosquitoes Aedes aegypti and Aedes albopictus. Many other invasive pests are emerging worldwide aided by global trade, increased connectivity among countries, lack of prevention, and flawed invasive species management. Among them, there is …
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New insights for the Drosophila suzukii sustainable control: integrating parasitoids into current pest management strategies
Nell’attuale era della globalizzazione, gli artropodi fitofagi rappresentano una delle principali minacce per l’agricoltura e l’ambiente. Il moscerino dei piccoli frutti, Drosophila suzukii (Matsumura), è un importante esempio di insetto invasivo responsabile di ingenti perdite economiche a …
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Combining natural enemies and selective pesticides in IPM programmes of exotic pests: the Tuta absoluta (Lepidoptera: Gelechiidae) case
… increase may compromise the tomato Integrated Pest Management (IPM) packages that were sustainable and commonly used by farmers. My work aimed at providing key bases for including indigenous biocontrol agents of T. absoluta in IPM programs on tomato in Europe. A survey carried out in 3 Italian …
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