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Dissertations / Theses on the topic 'Fungus beetle'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Starzomski, Brian M. "Movement dynamics of the forked fungus beetle, Bolitotherus cornutus Panzer (Coleoptera: tenebrionidae)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0020/MQ54539.pdf.

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2

Teichert, Sonja. "Habitat use and population spatial structure of the forked fungus beetle, Bolitotherus cornutus Panzer." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ45379.pdf.

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3

Satchithananda, Mithuna. "Development of a toxin delivery system for Beauveria bassiana." Thesis, University of Sheffield, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264638.

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4

Rostás, Michael Georg. "Plant mediated interactions between the mustard leaf beetle and the phytopathogenic fungus Alternaria brassicae on Chinese cabbage." [S.l.] : [s.n.], 2001. http://www.diss.fu-berlin.de/2002/3/index.html.

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5

Echegaray, Wilson Erik Rubens. "Life cycle of the rove beetle, Atheta coriaria (Kraatz) (Coleoptera: Staphylinidae) and suitability as a biological control agent against the fungus gnat, Bradysia sp. nr. Coprophila (Lintner)." Diss., Kansas State University, 2012. http://hdl.handle.net/2097/13624.

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Doctor of Philosophy<br>Department of Entomology<br>Raymond A. Cloyd<br>The life history of the rove beetle, Atheta coriaria (Kraatz) (Coleoptera:Staphylinidae), predation against the fungus gnat Bradysia sp. nr. coprophila (Lintner) and compatibility with pesticides and plant growth regulators was investigated under laboratory conditions using Sunshine LC1 Professional Growing Mix as a substrate. Duration of life stages was 2.2, 7.1, and 7.8 days for egg, larva and pupa respectively, at 26°C, whereas total development time from egg to adult was 17.0 days. In addition, A. coriaria male and fem

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6

Brada, Stanislav. "Analýza rizik napadení dřevěných konstrukcí škůdci." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-233113.

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The thesis deals with risks of defect occurrences in a wood construction. Wood constructions and their parts are exposed to a number of negative factors influencing their lifetime. The aim of the thesis is to give an outline of risks of defect occurrences in a wood construction attacked by pests and propose measures for their elimination.. These steps are closely described in the individual parts and processes. Part of the thesis is the FMEA analysis, resulting in appropriate chemical protection, a factor considered before incorporation into the construction. The analysis and its outcomes are

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7

Hammerbacher, Almuth [Verfasser], Jonathan [Akademischer Betreuer] Gershenzon, Wilhelm [Akademischer Betreuer] Boland, and Thomas [Akademischer Betreuer] Vogt. "Biosynthesis of polyphenols in Norway spruce as a defense strategy against attack by the bark beetle associated fungus Ceratocystis polonica / Almuth Hammerbacher. Gutachter: Jonathan Gershenzon ; Wilhelm Boland ; Thomas Vogt." Jena : Thüringer Universitäts- und Landesbibliothek Jena, 2012. http://d-nb.info/1019970065/34.

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8

Onyenobi, Ebuka Isaiah. "Enzyme Activity and Antimicrobial Screening of Ambrosiella grosmanniae." Bowling Green State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1626139065293068.

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9

Addison, Audrey L. "Beetles, Fungi and Trees: A Story for the Ages? Modeling and Projecting the Multipartite Symbiosis Between the Mountain Pine Beetle, Dendroctonus ponderosae, and Its Fungal Symbionts, Grosmannia clavigera and Ophiostoma montium." DigitalCommons@USU, 2014. https://digitalcommons.usu.edu/etd/2302.

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As data collection and modeling improve, ecologists increasingly discover that interspecies dynamics greatly affect the success of individual species. Models accounting for the dynamics of multiple species are becoming more important. In this work, we explore the relationship between mountain pine beetle (MPB, Dendroctonus ponderosae Hopkins) and two mutualistic fungi, Grosmannia clavigera and Ophiostoma montium. These species are involved in a multipartite symbiosis, critical to the survival of MPB, in which each species benefits. Extensive phenological modeling has been done to determine how

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10

Brazolin, Sérgio. "Biodeterioração, anatomia do lenho e análise de risco de queda de árvores de tipuana, Tipuana tipu (Benth.) O. Kuntze, nos passeios públicos da cidade de São Paulo, SP." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-20042010-092326/.

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Os objetivos do presente trabalho foram: avaliar o processo de biodeterioração do lenho das árvores de tipuana na cidade de São Paulo e relacionar as alterações da sua estrutura anatômica e propriedades físico-mecânicas com o seu risco de queda. Nos passeios públicos de regiões selecionadas da cidade, 1109 árvores de tipuana foram caracterizadas quanto às condições de entorno, estado geral, variáveis dendrométricas, biodeterioração externa e interna e o risco de queda, estimado com modelo de cálculo estrutural desenvolvido pelo IPT. A biodeterioração e os mecanismos de resistência das árvores

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11

Endo, Rikiya. "Symbiotic fungi of the ambrosia beetle Platypus quercivorus." Kyoto University, 2011. http://hdl.handle.net/2433/142336.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第16138号<br>農博第1874号<br>新制||農||991(附属図書館)<br>学位論文||H23||N4608(農学部図書室)<br>28717<br>京都大学大学院農学研究科地域環境科学専攻<br>(主査)教授二井一禎, 教授北山兼弘, 教授藤崎憲治<br>学位規則第4条第1項該当

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12

Barnes, Andrew. "Prophylactic immunity in the mealworm beetle Tenebrio molitor." Thesis, University of Sheffield, 2001. http://etheses.whiterose.ac.uk/14816/.

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Immune systems are thought to be costly to maintain and express in a variety of taxa. Evidence for this comes from observations that mechanisms which deal with pathogenic challenge are often extremely variable and are induced in the presence of an immune challenge, rather than being constitutively active. This thesis presents work aimed at testing predictions arising from these ideas, using the mealworm beetle T. molilor (Coleoptera: Tenebrionidae) as a model system. Assays were developed which reflected three specific aspects of immunity (haemocyte count, phenoloxidase levels and resistance t

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13

Klinger, Ellen. "Susceptibility of Adult Colorado Potato Beetle (Leptinotarsa Decemlineata) to the Fungal Entomopathogen Beauveria Bassiana." Fogler Library, University of Maine, 2003. http://www.library.umaine.edu/theses/pdf/KlingerE2003.pdf.

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14

Jonsson, Mattias. "Dispersal ecology of insects inhabiting wood-decaying fungi /." Uppsala : Swedish University of Agricultural Sciences, 2002. http://diss-epsilon.slu.se/archive/00000064/.

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Thesis (doctoral)--Swedish University of Agricultural Sciences, 2002.<br>Thesis documentation sheet inserted. Appendix reprints three manuscripts and one published paper, three of which are co-authored with others. Includes bibliographical references. Also issued electronically via World Wide Web in PDF format; PDF version lacks abstract, ack., and appendix. One ill. in PDF version is in col.

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15

Morris, Elizabeth Erin. "DEVELOPING BIOLOGICAL CONTROL METHODS FOR ADULTS OF JAPANESE BEETLE." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1238164214.

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16

Guevara, Roger. "Interactive dynamics between wood-rotting fungi and ciid beetles." Thesis, University of Bath, 1998. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299683.

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17

Bleiker, Katherine Patricia. "Multi-partner mutualisms interactions among the mountain pine beetle and two ophiostomatoid fungal associates /." CONNECT TO THIS TITLE ONLINE, 2007. http://etd.lib.umt.edu/theses/available/etd-05202008-120358/.

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18

Bleiker, Katherine Patricia. "MULTI-PARTNER MUTUALISMS: INTERACTIONS AMONG THE MOUNTAIN PINE BEETLE AND TWO OPHIOSTOMATOID FUNGAL ASSOCIATES." The University of Montana, 2008. http://etd.lib.umt.edu/theses/available/etd-05202008-120358/.

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I investigated interactions between the mountain pine beetle (Dendroctonus ponderosae) and its two main ophiostomatoid fungal associates,Grosmannia clavigera and Ophiostoma montium, as well as interactions between the two fungi. The main research questions were: What drives bark beetle fungal interactions? What is the nature of the interaction between the two species of fungi? I tested the hypothesis that the fungi provide nutritional benefits to the bark beetles. Evidence suggests a nutritional role of fungi in the diet of bark beetles because beetles emerging from attacked trees carrying G.

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19

Farfán, Lina. "Comparative population genetic analysis of fungal associates of the mountain pine beetle (Dendroctonus ponderosae)." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/46766.

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The mountain pine beetle (MPB), Dendroctonus ponderosae Hopkins, has destroyed over 18 million ha of pine forest in Canada since 1999, the largest insect epidemic in recorded history. Fungal symbionts in the Ophiostomales (Ascomycetes) play an important role in the outbreak by reducing the tree defense response following beetle colonization, making its environment more conducive to the insect development. A better understanding of the population genetics attributes of the fungal associates could be important to elucidate their role and to explain epidemic patterns. We investigated the genetic

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20

Plattner, Alex. "Pathogenicity and taxonomy of fungi associated with the mountain pine beetle in British Columbia." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/345.

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The mountain pine beetle is associated with a diverse array of fungi. Grosmannia clavigera is the most pathogenic of these fungi. A comparison was made between two methods that have been used to assess fungal pathogenicity. Results were similar for older trees inoculated with G. clavigera using either the alternating flap technique or cork borer method. Using the cork borer method, younger lodgepole pine trees were inoculated with five different isolates of G. clavigera. After a 48 week incubation period, isolates ATCC 18086, B5 and H55 had induced stronger pathogenic indicators compared to is

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21

Khadempour, Lily. "Changes in fungal associate abundance over mountain pine beetle lifecycle using target-specific primers and quantitative PCR." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/38068.

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The mountain pine beetle (MPB) is a native bark beetle of western North America that attacks pine tree species, in particular, lodgepole pine. It is closely associated several ophiostomatoid fungi, with which it has a mutually beneficial relationship. This thesis is comprised of two sections. The first objective was to develop target-specific PCR primers that could identify the major fungal species associated with MPB: the pathogenic Grosmannia clavigera and Leptographium longiclavatum, the less pathogenic Ophiostoma montium, and an un-described Ceratocystiopsis species (Cop. sp.1). Growing, i

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22

Baumgart, Eligiusz Adam Iwo. "Parasitoids and beetles of decaying wood : the role of fungi and volatiles." Thesis, Imperial College London, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.520955.

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23

Kolosova, Natalia. "Transcriptome analysis of conifer defense against bark beetle-associated blue-stain fungi and white pine weevil." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/29775.

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Conifer forests are exposed to a large number of herbivorous insect species and pathogenic fungi, some of which cause extensive epidemics and substantial losses of forest resources. Bark beetles and white pine weevil represent major threats to conifer forest health. Bark beetles vector fungal pathogens, which are involved in killing of the host trees. Conifers employ a variety of defense strategies, including anatomical, chemical and molecular defense mechanisms. Recent development of conifer genomic resources and tools including large EST databases and microarrays have allowed for large-scale

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24

McCarthy, James. "The Role of Bark Beetles as Vectors in the Colonisation of Windthrown Timber by Fungi." Thesis, University of Canterbury. Biological Sciences, 2011. http://hdl.handle.net/10092/6263.

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The increasing frequency and severity of windthrow events affecting the forestry industry in New Zealand have raised important management issues surrounding the rate of colonisation of fallen trees by sapstain fungi and the time available for salvage harvesting before sapstain degradation limits potential economic returns. These fungi are known to be spread by a multitude of factors including wind, rain splash, harvesting processes and insect vectoring. Apart from the ecological interest in these interactions between fungi, plants and insects, sapstain fungi are also economically important bec

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25

Inácio, Maria de Lurdes Nunes Silva. "Fungi associated with Platypus cylindrus (Coleoptera: Platypodidae) and their relation to cork oak decline." Doctoral thesis, ISA/UTL, 2012. http://hdl.handle.net/10400.5/5194.

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Doutoramento em Engenharia Florestal e dos Recursos Naturais - Instituto Superior de Agronomia<br>The ambrosia beetle Platypus cylindrus establishes symbiotic relationships with fungi. P. cylindrus may act as a vector for the dispersal of phytopathogenic fungi in the Mediterranean cork oak stands. The aim of this study was to identify the fungi associated with P. cylindrus in Portugal and to understand the role and potential impacts on cork oak stands of both insect and fungi. A complex of fungi was found in association with the insect, namely species of cosmopolitan genera whose exact role in

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26

Crump, David Hammond. "Fungal parasites of the beet cyst-nematode." Thesis, Imperial College London, 1985. http://hdl.handle.net/10044/1/37667.

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27

Gyawaly, Sudan. "Interactions of insecticides, entomopathogenic fungi, and earthworms as they relate to white grub IPM in turfgrass systems." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/82519.

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White grubs (Coleoptera: Scarabaeidae) are important turfgrass pests in Virginia. Insecticides such as the neonicotinoid imidacloprid are commonly applied to turfgrass in order to control these pests. As an alternative to synthetic insecticides, entomopathogenic fungi (EPF), including Metarhizium brunneum (Petch) and Beauveria bassiana (Balsamo) Vuillemin may also be used for white grub control. The interaction of combining these two control tactics for white grubs in Virginia merits further investigation as does their effects on other soil organisms such as earthworms, which cohabitate with w

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Graf, Letícia Vanessa. "Interação trófica entre Coleoptera e basidiomas de Polyporales e Hymenochaetales (Fungi : Basidiomycota)." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/15477.

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O consumo de qualquer parte do organismo de um fungo denomina-se fungivoria e são raros os estudos que abordam a temática da interação trófica entre suas estruturas reprodutivas (basidiomas) e os insetos. Mesmo que seja um hábito alimentar freqüente entre os coleópteros, com muitas famílias obrigatoriamente fungívoras, pouco se conhece sobre a estruturação dessa assembléia. Entretanto, sabese que existem preferências por determinadas espécies de fungos, tanto para a postura dos ovos quanto para o próprio consumo. Algumas questões que este estudo aborda referem-se à riqueza e à especificidade d

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Fäldt, Jenny. "Volatile constituents in conifers and conifer related wood-decaying fungi. Biotic influences on monoterpene compositions in pines." Doctoral thesis, KTH, Chemistry, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3012.

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30

Zanzot, James Warren Eckhardt Lori Giget Enebak Scott A. "Biology and ecology of root-feeding beetles and ophiostomatoid fungi in sandhills longleaf pine stands." Auburn, Ala., 2009. http://hdl.handle.net/10415/1893.

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31

HIJII, Naoki, 直樹肘井, Hisashi KAJIMURA, 恒. 梶村, Yuuji NISHIBE, and 雄司西部. "A note on the discoloration and fungal infiltration processes on wood tissues surrounding the gallery system of scolytid beetles." 名古屋大学農学部付属演習林, 1991. http://hdl.handle.net/2237/8676.

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32

Rezaei, Reza [Verfasser], Mechthild [Gutachter] Roth, Cristiano [Gutachter] Lopes-Andrade, and Klaus-Dieter [Gutachter] Klass. "The Minute Tree-Fungus Beetles (Coleoptera: Ciidae) from the Caspian-Hyrcanian Forest in Northern Iran / Reza Rezaei ; Gutachter: Mechthild Roth, Cristiano Lopes-Andrade, Klaus-Dieter Klass." Dresden : Technische Universität Dresden, 2020. http://d-nb.info/1230578404/34.

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33

Lindhe, Anders. "Conservation through management : cut wood as substrate for saproxylic organisms /." Uppsala : Dept. of Entomology, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/s300.pdf.

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34

Olsson, Jörgen. "Colonization Patterns of Wood-inhabiting Fungi in Boreal Forest." Doctoral thesis, Umeå universitet, Ekologi, miljö och geovetenskap, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1907.

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Forest management practices have changed the over-all structure of the Fennoscandian forest landscape resulting in a lack of suitable substrates for many wood-inhabiting species. The objectives of this thesis was to describe the colonization patterns of wood-inhabiting fungi, including the potential role of beetles as dispersal vectors, on different types of dead wood substrate and assess the importance of active measures in the forest landscape in order to restore biodiversity i.e. to increase the amount of dead wood and the use of restoration fire. The results clearly demonstrate the importa

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35

Sippola, Anna-Liisa. "Forest structure and biodiversity in northern boreal forests : effects of regeneration cutting on flying beetles and wood-decomposing fungi." Helsinki : University of Helsinki, 2001. http://ethesis.helsinki.fi/julkaisut/mat/ekolo/vk/sippola/.

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36

Kehler, Daniel G. "The effect of spatial scale on measuring spatial isolation and predicting the incidence of a beetle parasite and its fungal host in continuous and fragmented landscapes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq22031.pdf.

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37

Holmes, Keith Andrew. "Antagonism of phytopathogenic fungi by Pythium oligandrum Drechsler." Thesis, Manchester Metropolitan University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336555.

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38

Zeran, Rebecca. "Biodiversity of saproxylic Coleoptera in 'old-growth' and managed forests in southeastern Ontario." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=81461.

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The species richness, abundance and composition of saproxylic Coleoptera was compared between 'old-growth' and mature-managed hemlock-hardwood forests in southeastern Ontario, Canada. Beetles were sampled weekly from 29 April until 3 October 2003 using large-area flight-intercept traps (FITs) and trunk-window traps (TTs). Analyses were conducted using the Fisher's alpha and Simpson's diversity indices, rarefaction, indicator species analysis and cluster analysis. A total of 11,888 fungivorous Coleoptera was collected from 11 families and 73 species (excluding Nitidulidae). Nitidulidae w

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Valiev, Abduvali. "Enzymology." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608217/index.pdf.

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In this study, two symbiotic fungi of Southern Pine Beetle (SPB), Entomocorticium peryii and Entomocorticium sp.A were evaluated in terms of polyphenol oxidase (PPO) production. The effect of different inhibitors, inducers and assay parameters such as temperature and pH on enzyme activity were investigated and maximum PPO activity was observed at 30&deg<br>C, pH 8.0 and when tannic acid was used as an inducer. Copper-chelator salicyl hydroxamic acid (SHAM) and pcoumaric acid, both indicated as inhibitors of tyrosinase and catechol oxidase significantly reduced the activity. For biochemical cha

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Webb, Cerian Ruth. "Dynamical models for the growth of the sugar beet crop and the temporal build-up of the fungal parasite Polymyxa betae." Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624818.

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Lohse, Konrad R. "Inferring population history from genealogies." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/4764.

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This thesis investigates a range of genealogical approaches to making quantitative inferences about the spatial and demographic history of populations with application to two insect systems: A local radiation of high alpine ground beetles (Carabidae) in the genus Trechus and major refugial populations of the oak gall parasitoid Cecidostiba fungosa (Pteromalidae). i) Summary statistics, which make explicit use of genealogical information are developed. Using simulations their power to detect a history of population growth is shown to be higher than that of standard measures such as Tajima’s D f

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Ludwig, Patrice. "Causes and consequences of dispersal in the forked fungus beetle, Bolitotherus cornutus /." 2008. http://wwwlib.umi.com/dissertations/fullcit/3322495.

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Rezaei, Reza. "The Minute Tree-Fungus Beetles (Coleoptera: Ciidae) from the Caspian-Hyrcanian Forest in Northern Iran." 2019. https://tud.qucosa.de/id/qucosa%3A72071.

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Ciidae is a fairly homogenous family of mycetobiont, mycetophagous beetles (Coleoptera, infraorder Cucujiformia), with a worldwide distribution and about 750 described species. They have a body length of 0.5‒7 mm, a mostly uniform colouration from light brown to almost black, and usually a fairly cylindrical body shape. The knowledge on the taxonomy, morphology, phylogenetic relationships, geographic distribution (faunistics), and ecology of Ciidae is quite fragmentary. Part I of the thesis provides the first detailed study of head morphology (by scanning electron microscopy) in a Ciidae speci

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Rostás, Michael Georg [Verfasser]. "Plant mediated interactions between the mustard leaf beetle and the phytopathogenic fungus Alternaria brassicae on Chinese cabbage / vorgelegt von Michael Georg Rostás." 2001. http://d-nb.info/963678906/34.

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45

Huang, Yu-Jen, and 黃育仁. "Studies on infection of the striped flea beetle, Phyllotreta striolata (Fabricius), with the entomopathogenic nematode, Steinernema abbasi and the white muscardine fungus, Beauveria bassiana." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/34438960854945370042.

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碩士<br>國立中興大學<br>昆蟲學系<br>91<br>Studies on infection of the striped flea beetle, Phyllotreta striolata (Fabricius), with the entomopathogenic nematode, Steinernema abbasi and the white muscardine fungus, Beauveria bassiana YU-Jen Huang ABSTRACT The striped flea beetle, Phyllotreta striolata, was reared massively with the potted radish plants in cage in the greenhouse. The highest adult emergence per cage and average female fertility were 1,086.7± 109.9 and 12.8 ± 1.3, respectively. The rearing method for keeping culture of P. striolata in the greenhouse can prov

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46

Li, Yinping. "Effects of the rove beetle, Dalotia coriaria, on western flower thrips, Frankliniella occidentalis, under laboratory conditions; and integrating the entomopathogenic fungus, Beauveria bassiana, with D. coriaria to suppress western flower thrips populations under greenhouse conditions." Diss., 2018. http://hdl.handle.net/2097/39365.

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Doctor of Philosophy<br>Department of Entomology<br>Raymond A. Cloyd<br>Western flower thrips, Frankliniella occidentalis, is one of the most destructive insect pests in greenhouse production systems due to direct and indirect plant damage resulting in substantial economic losses. In addition, western flower thrips has developed resistance to many insecticides. Therefore, alternative plant protection strategies are warranted, such as augmentative biological control. This research was designed to evaluate 1) the effect of different absolute numbers of predator (rove beetle, Dalotia coriaria) an

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Katariya, Lakshya. "Ecology of Fungus-Farming by Termites : Fungal Population Genetics and Defensive Mechanism of Termites against the Parasitic Fungus Pseudoxylaria." Thesis, 2017. http://etd.iisc.ernet.in/2005/3613.

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All living organisms require food for growth and survival. Heterotrophs depend on autotrophs such as green plants which can synthesize their own food unlike heterotrophic animals. Among heterotrophs, only humans and some insects have the remarkable ability to cultivate crops for food. While humans cultivate plants, three insect lineages—ants, termites, and beetles—cultivate fungi inside their nests in obligate mutualistic exo-symbioses. Interestingly, just like human agriculture, insect fungus farms are also threatened by weeds and pests, e.g. the farms of fungus-growing termites which cultiva

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(10731882), Matthew W. Ethington. "Role of Fungal and Host-Associated Volatiles in the Chemical Ecology of Scolytine Beetles Affecting Hardwood Trees." Thesis, 2021.

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Abstract:

<div>Native and invasive bark and ambrosia beetles threaten the health and productivity of natural and planted forests worldwide. Management of these pests relies on semiochemical-based tactics, but these are often ineffective at monitoring for incipient populations or decreasing pest populations. The role of fungal and non-host volatiles in colonization behavior remains unknown for many important bark and ambrosia beetle species, thereby hindering their control. In this dissertation, I tested the hypothesis that fungal and tree-associated volatiles influence the host colonization behavior of

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49

Lee, Sangwon. "Fungi associated with the mountain pine beetle, Dendroctonus ponderosae." Thesis, 2006. http://hdl.handle.net/2429/18218.

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The mountain pine beetle (MPB; Dendroctonus ponderosae) and its fungal associates have infested large areas of lodgepole pine (Pinus contorta var. latifolia) forests in British Columbia. In order to understand how the fungi affect the beetle epidemics and tree defenses [i.e. tree defences], in this work we identified the fungal species associated with the MPB, characterized their pathogenicity, and investigated the genetic structure of a fungal species, one of the major pathogens. Identifying ophiostomatoid fungi by a classical morphology approach is often inconclusive. For accurate identifica

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50

Ryan, Kathleen. "Interactions between the Woodwasp Sirex noctilio and Co-habiting Phloem- and Woodboring Beetles, and their Fungal Associates in southern Ontario." Thesis, 2011. http://hdl.handle.net/1807/29855.

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Abstract:

In its introduced southern hemisphere range, Sirex noctilio causes considerable mortality in non-native pine forests. In its native Eurasian range however, S. noctilio is of little concern perhaps due to interactions with a well-developed community of pine-inhabiting insects and their associated microorganisms. If such interactions occur, they may limit the woodwasp’s impact in its newly introduced range in North America. My research addresses two broad questions: 1) Does S. noctilio share its habitat with other insects and if so, with whom? 2) Is there evidence that co-habitants affect S. noc

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