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University of Florida Thesis Or Dissertation
BIOLOGICAL STUDIES ON THE GUT SYMBIONT BURKHOLDERIA ASSOCIATED WITH BLISSUS INSULARIS (HEMIPTERA: BLISSIDAE) By YAO XU A DISSERTATION PRESENTED TO THE GRADUATE SCHOOL OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY UNIVERSITY OF FLORIDA 2015 1 © 2015 Yao Xu 2 ACKNOWLEDGMENTS I am fortunate to have been mentored by Dr. Drion Boucias during my doctoral program. His constructive criticism, guidance, and generosity of time and resources allowed me to achieve both breadth and depth in research. Without his inspirational ideas and timely feedback, this dissertation would never have been accomplished on time. I owe my deepest gratitude to my co- advisor, Dr. Eileen Buss, for her encouragement, support, and advice on my academic and personal development. I thank her for admitting me, guiding me to enter the world of Southern chinch bugs, and trusting me. I also would like to thank my other committee members, Drs. Frederick Fishel (Department of Agronomy, UF), Kevin Kenworthy (Department of Agronomy, UF), and Cindy McKenzie (United States Department of Agriculture-Agricultural Research Service). I appreciate their time, comments, and encouragement on my research and this dissertation. Many scientists and colleagues have been helpful to me during my doctoral program. First, I thank Dr. Michael Scharf (Department of Entomology, Purdue University) for his valuable comments on the detoxification enzyme work, and especially for hosting me in his laboratory in March 2014. Second, I thank Dr. Paul Linser (Whitney Laboratory for Marine Bioscience, UF) for his guidance on the confocal microscopy and allowing me to use the microscopes in his laboratory in April 2015. -
Predation of the Chinch Bug, Blissus Occiduus Barber (Hemiptera: Blissidae) by Geocoris Uliginosus (Say) (Hemiptera: Lygaeidae)
University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Faculty Publications: Department of Entomology Entomology, Department of 2008 Predation of the Chinch Bug, Blissus occiduus Barber (Hemiptera: Blissidae) by Geocoris uliginosus (Say) (Hemiptera: Lygaeidae) J. D. Carstens University of Nebraska-Lincoln Frederick P. Baxendale University of Nebraska-Lincoln, [email protected] Tiffany Heng-Moss University of Nebraska-Lincoln, [email protected] Robert J. Wright University of Nebraska, [email protected] Follow this and additional works at: https://digitalcommons.unl.edu/entomologyfacpub Part of the Entomology Commons Carstens, J. D.; Baxendale, Frederick P.; Heng-Moss, Tiffany; and Wright, Robert J., "Predation of the Chinch Bug, Blissus occiduus Barber (Hemiptera: Blissidae) by Geocoris uliginosus (Say) (Hemiptera: Lygaeidae)" (2008). Faculty Publications: Department of Entomology. 157. https://digitalcommons.unl.edu/entomologyfacpub/157 This Article is brought to you for free and open access by the Entomology, Department of at DigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion in Faculty Publications: Department of Entomology by an authorized administrator of DigitalCommons@University of Nebraska - Lincoln. JOURNAL OF THE KANSAS ENTOMOLOGICAL SOCIETY 81(4), 2008, pp. 328–338 Predation of the Chinch Bug, Blissus occiduus Barber (Hemiptera: Blissidae) by Geocoris uliginosus (Say) (Hemiptera: Lygaeidae) J. D. CARSTENS,F.P.BAXENDALE,T.M.HENG-MOSS, AND R. J. WRIGHT Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE 68583 ABSTRACT: Big-eyed bugs have been well documented as predators on a diverse group of arthropod prey in turfgrasses; however, little is known about the big-eyed bug species associated with buffalograss, or their feeding habits relative to the western chinch bug, Blissus occiduus Barber. -
Program Book
NORTH CENTRAL BRANCH Entomological Society of America 59th Annual Meeting March 28-31, 2004 President Rob Wiedenmann The Fairmont Kansas City At the Plaza 401 Ward Parkway Kansas City, MO 64112 Contents Meeting Logistics ................................................................ 2 2003-2004 Officers and Committees, ESA-NCB .............. 4 2004 North Central Branch Award Recipients ................ 8 Program ............................................................................. 13 Sunday, March 28, 2004 Afternoon ...............................................................13 Evening ..................................................................13 Monday, March 29, 2004 Morning..................................................................14 Afternoon ...............................................................23 Evening ..................................................................42 Tuesday, March 30, 2004 Morning..................................................................43 Afternoon ...............................................................63 Evening ..................................................................67 Wednesday, March 31, 2004 Morning..................................................................68 Afternoon ...............................................................72 Author Index ..............................................................73 Taxonomic Index........................................................84 Key Word Index.........................................................88 -
The Maryland Entomologist
THE MARYLAND ENTOMOLOGIST Insect and related-arthropod studies in the Mid-Atlantic region Volume 6, Number 2 September 2014 September 2014 The Maryland Entomologist Volume 6, Number 2 MARYLAND ENTOMOLOGICAL SOCIETY www.mdentsoc.org Executive Committee: Co-Presidents Timothy Foard and Frederick Paras Vice President Philip J. Kean Secretary Richard H. Smith, Jr. Treasurer Edgar A. Cohen, Jr. Historian (vacant) Publications Editor Eugene J. Scarpulla The Maryland Entomological Society (MES) was founded in November 1971, to promote the science of entomology in all its sub-disciplines; to provide a common meeting venue for professional and amateur entomologists residing in Maryland, the District of Columbia, and nearby areas; to issue a periodical and other publications dealing with entomology; and to facilitate the exchange of ideas and information through its meetings and publications. The MES was incorporated in April 1982 and is a 501(c)(3) non-profit, scientific organization. The MES logo features an illustration of Euphydryas phaëton (Drury) (Lepidoptera: Nymphalidae), the Baltimore Checkerspot, with its generic name above and its specific epithet below (both in capital letters), all on a pale green field; all these are within a yellow ring double-bordered by red, bearing the message “● Maryland Entomological Society ● 1971 ●”. All of this is positioned above the Shield of the State of Maryland. In 1973, the Baltimore Checkerspot was named the official insect of the State of Maryland through the efforts of many MES members. Membership in the MES is open to all persons interested in the study of entomology. All members receive the annual journal, The Maryland Entomologist, and the monthly e-newsletter, Phaëton. -
Kris Braman Dual Defense.Qxp
Turfgrass and Environmental Research Online ...Using Science to Benefit Golf The fall armyworm, Spodoptera frugiperda, is one of the most serious insect pests of grass- es. Researchers at the University of Georgia are investigating the interactive effects of natural resistance to fall armyworm by various turfgrass hosts and the action of natural ene- mies such as parasites, parasitoids, and predators of this insect. Volume 4, Number 23 December 1, 2005 PURPOSE The purpose of USGA Turfgrass and Environmental Research Online is to effectively communicate the results of research projects funded under USGA’s Turfgrass and Environmental Research Program to all who can benefit from such knowledge. Since 1983, the USGA has funded more than 290 projects at a cost of $25 million. The pri- vate, non-profit research program provides funding opportunities to university faculty interested in working on envi- ronmental and turf management problems affecting golf courses. The outstanding playing conditions of today’s golf courses are a direct result of using science to benefit golf. Editor Research Director Jeff Nus, Ph.D. Michael P. Kenna, Ph.D. 1032 Rogers Place P.O. Box 2227 Lawrence, KS Stillwater, OK 74076 [email protected] [email protected] (785) 832-2300 (405) 743-3900 (785) 832-9265 (fax) (405) 743-3910 (fax) USGA Turfgrass and Environmental Research Committee Bruce Richards, Chairman Julie Dionne, Ph.D. Ron Dodson Kimberly Erusha, Ph.D. Ali Harivandi, Ph.D. Michael P. Kenna, Ph.D. Jeff Krans, Ph.D. Pete Landschoot, Ph.D. James Moore Scott E. Niven, CGCS Jeff Nus, Ph.D. Paul Rieke, Ph.D. -
Host Preference of the Chinch Bug, Blissus Occiduus Author(S): Thomas E
Host preference of the chinch bug, Blissus occiduus Author(s): Thomas E. Eickhoff, Frederick P. Baxendale, Tiffany M. Heng-Moss Source: Journal of Insect Science, 6(7):1-6. Published By: Entomological Society of America DOI: http://dx.doi.org/10.1673/1536-2442(2006)6[1:HPOTCB]2.0.CO;2 URL: http://www.bioone.org/doi/full/10.1673/1536-2442%282006%296%5B1%3AHPOTCB %5D2.0.CO%3B2 BioOne (www.bioone.org) is a nonprofit, online aggregation of core research in the biological, ecological, and environmental sciences. BioOne provides a sustainable online platform for over 170 journals and books published by nonprofit societies, associations, museums, institutions, and presses. Your use of this PDF, the BioOne Web site, and all posted and associated content indicates your acceptance of BioOne’s Terms of Use, available at www.bioone.org/page/terms_of_use. Usage of BioOne content is strictly limited to personal, educational, and non-commercial use. Commercial inquiries or rights and permissions requests should be directed to the individual publisher as copyright holder. BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. Journal of Insect Science | www.insectscience.org ISSN: 1536-2442 Host preference of the chinch bug, Blissus occiduus Thomas E. Eickhoff, Frederick P. Baxendale and Tiffany M. Heng-Moss Department of Entomology, University of Nebraska, Lincoln, NE 68583 Abstract The chinch bug, Blissus occiduus Barber (Hemiptera: Blissidae), is an important pest of buffalograss, Buchloë dactyloides (Nutall) Engelmann and potentially other turfgrass, crop, and non-crop hosts. -
Evaluation of Warm-Season Turfgrasses for Resistance to The
HORTSCIENCE 42(3):718–720. 2007. the effects of pesticide use in urban areas and the potential for the development of resis- tance to insecticides, the identification of Evaluation of Warm-season plants with resistance offers an effective and environmentally responsible alternative Turfgrasses for Resistance to the for managing this pest. Differences in the susceptibility of several cool- and warm- Chinch Bug, Blissus occiduus season turfgrasses to chinch bugs have been well documented (Ahmad et al., 1984; Baker Thomas E. Eickhoff1, Tiffany M. Heng-Moss, and et al., 1981; Gulsen et al., 2004; Heng-Moss Frederick P. Baxendale et al., 2002; Lynch et al., 1987; Mathais et al., Department of Entomology, University of Nebraska–Lincoln, 202 Plant 1990; Ratcliffe, 1982; Reinert and Dudeck, 1974). In buffalograss, Heng-Moss et al. Industry Building, Lincoln, NE 68583-0816 (2003) identified the cultivars Cody and Additional index words. bermudagrass, buffalograss, zoysiagrass, plant resistance, IPM, Tatanka as tolerant, whereas Prestige integrated pest management, plant breeding exhibited both tolerance and antixenosis to B. occiduus. Further research by Gulsen et al. Abstract. The chinch bug, Blissus occiduus Barber, has been documented as a serious pest (2004) identified the buffalograss genotypes of buffalograss, Buchloe¨ dactyloides (Nutall) Engelmann, and zoysiagrass, Zoysia ‘184’, ‘196’, and ‘PX3-5-1’ as highly resis- japonica Steudel, turf grown in the Midwest. In addition to these two warm-season tant to B. occiduus. Although researchers turfgrasses, several other warm-season grasses, including bermudagrass, Cynodon have identified resistance in bermudagrass dactylon (L.) Pers., may also be at risk of B. occiduus infestations. This research and zoysiagrass cultivars to other turfgrass evaluated selected bermudagrass and zoysiagrass cultivars for resistance to B. -
Impacts of Antibiotic and Bacteriophage Treatments on the Gut-Symbiont-Associated Blissus Insularis (Hemiptera: Blissidae)
insects Article Impacts of Antibiotic and Bacteriophage Treatments on the Gut-Symbiont-Associated Blissus insularis (Hemiptera: Blissidae) Yao Xu *, Eileen A. Buss and Drion G. Boucias Department of Entomology and Nematology, University of Florida, Gainesville, FL 32611, USA; eabuss@ufl.edu (E.A.B.); pathos@ufl.edu (D.G.B.) * Correspondence: [email protected]; Tel.: +1-352-273-3959 Academic Editor: Brian T. Forschler Received: 30 August 2016; Accepted: 28 October 2016; Published: 3 November 2016 Abstract: The Southern chinch bug, Blissus insularis, possesses specialized midgut crypts that harbor dense populations of the exocellular symbiont Burkholderia. Oral administration of antibiotics suppressed the gut symbionts in B. insularis and negatively impacted insect host fitness, as reflected by retarded development, smaller body size, and higher susceptibility to an insecticide, bifenthrin. Considering that the antibiotics probably had non-lethal but toxic effects on host fitness, attempts were conducted to reduce gut symbionts using bacteriophage treatment. Soil-lytic phages active against the cultures of specific Burkholderia ribotypes were successfully isolated using a soil enrichment protocol. Characterization of the BiBurk16MC_R phage determined its specificity to the Bi16MC_R_vitro ribotype and placed it within the family Podoviridae. Oral administration of phages to fifth-instar B. insularis, inoculated with Bi16MC_R_vitro as neonates had no deleterious effects on host fitness. However, the ingested phages failed to impact the crypt-associated Burkholderia. The observed inactivity of the phage was likely due to the blockage of the connection between the anterior and posterior midgut regions. These findings suggest that the initial colonization by Burkholderia programs the ontogeny of the midgut, providing a sheltered residence protected from microbial antagonists. -
University of Florida Thesis Or Dissertation Formatting
DEVELOPMENT OF AN IPM PROGRAM FOR THE TROPICAL SOD WEBWORM Herpetogramma phaeopteralis Guenée By NASTARAN TOFANGSAZI A DISSERTATION PRESENTED TO THE GRADUATE SCHOOL OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY UNIVERSITY OF FLORIDA 2014 © 2014 Nastaran Tofangsazi To my parents ACKNOWLEDGMENTS I would like to express the deepest appreciation to my committee chair and co- chair, Professor Steven Arthurs and Professor Ron Cherry, for their attitude and invaluable advice throughout the course of this project from the initial planning of experiments through to preparation of manuscripts. Without their guidance and help this dissertation would not have been possible. I would like to thank you for encouraging my research and for allowing me to grow as a researcher. I am grateful to my other supervisory committee members Professor Robert Meagher and Professor Laurie Trenholm for their excellent guidance and suggestions on how to improve my work. I would like to acknowledge the Center for Landscape Conservation and Ecology at University of Florida and Mid-Florida Research & Education Center (MREC) for providing financial assistance for the duration of my Ph.D. research. I am thankful to The New Zealand Institute for Plant and Food Research and Professor Ashraf M. El- Sayed and David Maxwell Suckling for allowing me to work in their laboratories. I am grateful for the technical help of Robert Leckel, James Kerrigan. I would like to deeply appreciate Luis Aristizábal for supporting me as a lab assistant and as a friend. I appreciate the love and support that I received from my family and friends. -
ABSTRACT YOUNGS, KATHARINE M. Evaluation of Resistance To
ABSTRACT YOUNGS, KATHARINE M. Evaluation of Resistance to Southern Chinch Bugs, Blissus insularis Barber, in St. Augustinegrass Stenotaphrum secundatum, Germplasm. (Under the direction of Dr. Yasmin J. Cardoza.) Work for this thesis dealt with identifying new sources of SCB resistance in a set plant introductions (PIs). Chapter one is a review of the literature dealing with SCB control methods for this pest, including host plant resistance and identifying new sources of St. Augustinegrass host plant resistance. SCB are the most economically important pest of St. Augustinegrass and their management is increasingly difficult due to their ability to develop resistance to current control methods. Host plant resistance is an effective alternative for SCB control due to decreased efficacy of insecticides, regulatory policies involving the use of chemicals, and consumer demand for sustainable production practices. SCB are still controlled for the most part with chemicals; however, a couple of resistant varieties are marketed for their resistance to SCB, NUF-76, marketed under the trade name ‘Captiva’, and ‘Raleigh’. Several varieties have been shown to suppress SCB populations; however the inevitability of resistance development in SCB, coupled with the aesthetic needs of the industry deem identifying new sources of host plant resistance necessary. Therefore, in Chapter 2 we focused on screening 18 St. Augustinegrass and two ‘pembagrass’ (a crossbreeding relative) plant introductions. Based on the results from this study, we determined some of the selected PIs exhibited antibiosis, based on low survival and slower development of SCB neonates, when compared to our susceptible reference varieties. Two of the PIs, PI 600734 and PI 647924, showing antibiosis are diploid which may facilitate transfer of resistance genes to commercial varieties. -
Plant Latex, from Ecological Interests to Bioactive Chemical Resources*
Published online: 2019-05-28 Reviews Plant Latex, from Ecological Interests to Bioactive Chemical Resources* Authors Luis Francisco Salomé Abarca 1, Peter G. L. Klinkhamer 1, Young Hae Choi 1, 2 Affiliations ABSTRACT 1 Institute of Biology, Leiden University, Leiden, Historically, latex-bearing plants have been regarded as im- The Netherlands portant medicinal resources in many countries due to their 2 College of Pharmacy, Kyung Hee University, Seoul, characteristic latex ingredients. They have also often been en- Republic of Korea dowed with a social or cultural significance in religious or cult rituals or for hunting. Initial chemical studies focused on the Key words protein or peptide content but recently the interest extended plant exudates, latex coagulation, mechanical defense, to smaller molecules. Latex has been found to contain a broad bioactive latex metabolites, endophytes, interaction range of specialized metabolites such as terpenoids, cardeno- lides, alkaloids, and phenolics, which are partly responsible for received February 28, 2019 their antibacterial, antifungal, anthelmintic, cytotoxic, and in- revised May 15, 2019 sect-repellent activities. The diversity in biology and chemis- accepted May 16, 2019 try of latexes is supposedly associated to their ecological roles Bibliography in interactions with exogenous factors. Latexes contain DOI https://doi.org/10.1055/a-0923-8215 unique compounds that are different to those found in their Published online May 28, 2019 | Planta Med 2019; 85: 856– bearing plants. Exploring the feasibility of plant latex as a 868 © Georg Thieme Verlag KG Stuttgart · New York | new type of bioactive chemical resource, this review paper ISSN 0032‑0943 covers the chemical characterization of plant latexes, extend- ing this to various other plant exudates. -
Hemiptera: Heteroptera)
Proceedings of the Iowa Academy of Science Volume 59 Annual Issue Article 75 1952 An Annotated List of the Lygaeidae of Iowa and Illinois (Hemiptera: Heteroptera) James A. Slater Iowa State College Let us know how access to this document benefits ouy Copyright ©1952 Iowa Academy of Science, Inc. Follow this and additional works at: https://scholarworks.uni.edu/pias Recommended Citation Slater, James A. (1952) "An Annotated List of the Lygaeidae of Iowa and Illinois (Hemiptera: Heteroptera)," Proceedings of the Iowa Academy of Science, 59(1), 521-540. Available at: https://scholarworks.uni.edu/pias/vol59/iss1/75 This Research is brought to you for free and open access by the Iowa Academy of Science at UNI ScholarWorks. It has been accepted for inclusion in Proceedings of the Iowa Academy of Science by an authorized editor of UNI ScholarWorks. For more information, please contact [email protected]. Slater: An Annotated List of the Lygaeidae of Iowa and Illinois (Hemipter An Annotated List of the Lygaeidae of Iowa and Illinois ( Hemiptera: Heteroptera) By lnms A. SLATER In this paper an attempt has been made to present an adequate list of Lygaeidae found in Iowa and Illinois, and to indicate what is known of the intrastate distributions of the various species. This paper is limited to geographic considerations and, in this sense, assumes the character of a "local list"' as no biological or ecological considerations are discussed. It is felt that our knowledge of the Nearctic Lygaeidae has reached a degree of maturity where know· ledge of state and lesser faunal areas is essential to encourage the badly needed bionomic work that should develop with a relatively stable and mature taxonomy.