Leafhopper Distribution Recording & Analysis
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Correlation of Stylet Activities by the Glassy-Winged Sharpshooter, Homalodisca Coagulata (Say), with Electrical Penetration Graph (EPG) Waveforms
ARTICLE IN PRESS Journal of Insect Physiology 52 (2006) 327–337 www.elsevier.com/locate/jinsphys Correlation of stylet activities by the glassy-winged sharpshooter, Homalodisca coagulata (Say), with electrical penetration graph (EPG) waveforms P. Houston Joosta, Elaine A. Backusb,Ã, David Morganc, Fengming Yand aDepartment of Entomology, University of Riverside, Riverside, CA 92521, USA bUSDA-ARS Crop Diseases, Pests and Genetics Research Unit, San Joaquin Valley Agricultural Sciences Center, 9611 South Riverbend Ave, Parlier, CA 93648, USA cCalifornia Department of Food and Agriculture, Mt. Rubidoux Field Station, 4500 Glenwood Dr., Bldg. E, Riverside, CA 92501, USA dCollege of Life Sciences, Peking Univerisity, Beijing, China Received 5 May 2005; received in revised form 29 November 2005; accepted 29 November 2005 Abstract Glassy-winged sharpshooter, Homalodisca coagulata (Say), is an efficient vector of Xylella fastidiosa (Xf), the causal bacterium of Pierce’s disease, and leaf scorch in almond and oleander. Acquisition and inoculation of Xf occur sometime during the process of stylet penetration into the plant. That process is most rigorously studied via electrical penetration graph (EPG) monitoring of insect feeding. This study provides part of the crucial biological meanings that define the waveforms of each new insect species recorded by EPG. By synchronizing AC EPG waveforms with high-magnification video of H. coagulata stylet penetration in artifical diet, we correlated stylet activities with three previously described EPG pathway waveforms, A1, B1 and B2, as well as one ingestion waveform, C. Waveform A1 occured at the beginning of stylet penetration. This waveform was correlated with salivary sheath trunk formation, repetitive stylet movements involving retraction of both maxillary stylets and one mandibular stylet, extension of the stylet fascicle, and the fluttering-like movements of the maxillary stylet tips. -
A New and Serious Leafhopper Pest of Plumeria in Southern California
PALMARBOR Hodel et al.: Leafhopper Pest on Plumeria 2017-5: 1-19 A New and Serious Leafhopper Pest of Plumeria in Southern California DONALD R. HODEL, LINDA M. OHARA, GEVORK ARAKELIAN Plumeria, commonly plumeria or sometimes frangipani, are highly esteemed and popular large shrubs or small trees much prized for their showy, colorful, and deliciously fragrant flowers used for landscape ornament and personal adornment as a lei (in Hawaii around the neck or head), hei (in Tahiti on the head), or attached in the hair. Although closely associated with Hawaii, plumerias are actually native to tropical America but are now intensely cultivated worldwide in tropical and many subtropical regions, where fervent collectors and growers have developed many and diverse cultivars and hybrids, primarily of P. rubra and P. obtusa. In southern California because of cold intolerance, plumerias have mostly been the domain of a group of ardent, enthusiastic if not fanatical collectors; however, recently plumerias, mostly Plumeria rubra, have gained in popularity among non-collectors, and now even the big box home and garden centers typically offer plants during the summer months. The plants, once relegated to potted specimens that can be moved indoors or under cover during cold weather are now found rather commonly as outdoor landscape shrubs and trees in coastal plains, valleys, and foothills (Fig. 1). Over the last three years, collectors in southern California are reporting and posting on social media about a serious and unusual malady of plumerias, primarily Plumeria rubra, where leaves become discolored and deformed (Fig. 2). These symptoms have been attributed to excessive rain, wind, and heat potassium or other mineral deficiencies; disease; Eriophyid mites; and improper pH, among others, without any supporting evidence. -
Old Woman Creek National Estuarine Research Reserve Management Plan 2011-2016
Old Woman Creek National Estuarine Research Reserve Management Plan 2011-2016 April 1981 Revised, May 1982 2nd revision, April 1983 3rd revision, December 1999 4th revision, May 2011 Prepared for U.S. Department of Commerce Ohio Department of Natural Resources National Oceanic and Atmospheric Administration Division of Wildlife Office of Ocean and Coastal Resource Management 2045 Morse Road, Bldg. G Estuarine Reserves Division Columbus, Ohio 1305 East West Highway 43229-6693 Silver Spring, MD 20910 This management plan has been developed in accordance with NOAA regulations, including all provisions for public involvement. It is consistent with the congressional intent of Section 315 of the Coastal Zone Management Act of 1972, as amended, and the provisions of the Ohio Coastal Management Program. OWC NERR Management Plan, 2011 - 2016 Acknowledgements This management plan was prepared by the staff and Advisory Council of the Old Woman Creek National Estuarine Research Reserve (OWC NERR), in collaboration with the Ohio Department of Natural Resources-Division of Wildlife. Participants in the planning process included: Manager, Frank Lopez; Research Coordinator, Dr. David Klarer; Coastal Training Program Coordinator, Heather Elmer; Education Coordinator, Ann Keefe; Education Specialist Phoebe Van Zoest; and Office Assistant, Gloria Pasterak. Other Reserve staff including Dick Boyer and Marje Bernhardt contributed their expertise to numerous planning meetings. The Reserve is grateful for the input and recommendations provided by members of the Old Woman Creek NERR Advisory Council. The Reserve is appreciative of the review, guidance, and council of Division of Wildlife Executive Administrator Dave Scott and the mapping expertise of Keith Lott and the late Steve Barry. -
Tracking Vectors of Bacteria and Phytoplasmas Threatening Europe’S Major Crops (VECTRACROP)
Euphresco Final Report Tracking vectors of bacteria and phytoplasmas threatening Europe’s major crops (VECTRACROP) Topic area Phloem and xylem feeding insect vectors, fruit and field crops, bacteria and phytoplasmas of phytosanitary concern - Topic Description 2015-D-168 Topic title Tracking vectors of bacteria and phytoplasmas threatening Europe’s major crops (VECTRACROP) 1. Administrative Details . Applicant / Coordinator – Partner 1 Organisation Institute for AgriculturaI and Fisheries Research - ILVO Name of contact Kris De Jonghe, Ph.D. Gender: M (incl. Title) Postal address Burg. Van Gansberghelaan 96, B- 9820 Merelbeke, Belgium E-mail [email protected]; [email protected] Phone ++32 9/ 272 24 48 Applicant – Partner 2 Organisation CRA-W Name of contact Thibaut Olivier, Ir Gender: M (incl. Title) Département Sciences du Vivant (CRAW), Unité Biologie des Postal address nuisibles et Biovigilance, Bâtiment Marchal, Rue de Liroux 4, B- 5030 Gembloux, Belgium E-mail [email protected] Phone ++32 81/ 62 03 39 Applicant – Partner 3 Organisation ANSES Name of contact Reynaud Philippe, Ph.D. Gender: M (incl. Title) Anses Laboratoire de la Santé des Végétaux [Plant Health Laboratory] Postal address 755 avenue du campus Agropolis CS 30016 FR-34988 Montferrier-sur-Lez Cedex E-mail [email protected] Phone + 33 (0)4 67 02 25 10 Applicant – Partner 4 Organisation INIAV Name of contact Célia Mateus- Researcher, Ph.D.; Esmeraldina Gender F (incl. Title) Sousa- Researcher, Ph.D. : Av. da República, Quinta do Marquês Postal address 2780-157 Oeiras – Portugal E-mail [email protected]; [email protected] Phone (+351) 214 403 500 Applicant – Partner 5 Organisation INRA-MOROCCO Name of contact Afechtal Mohamed, Ph.D.; Bouharroud Rachid, Gender: M (incl. -
Alfalfa Aphid and Leafhopper Management for the Low Deserts
ALFALFA APHID AND LEAFHOPPER MANAGEMENT FOR THE LOW DESERTS Eric T. Natwick U.C. Cooperative Extension Farm Advisor, Imperial County, California APHIDS Spotted Alfalfa ~ The spotted alfalfa aphid (Therioaphis maculata) was introduced into New Mexico in 1953 and by 1954 had spread westward into California. This aphid is small pale yellow or grayish in color with 4 to 6 rows of black spots bearing small spines on its back. The adults mayor may not have wings. Spotted alfalfa aphid is smaller than blue alfalfa aphid or pea aphid arid will readily drop from plants when disturbed. The aphids are common on the underside of leaves where colonies start on the lower part of the plants, but also infest stems and leaves ~s colonies expand. These aphids produce great Quantities of honeydew. Severe infestations can develop on non-resistant varieties of alfalfa and reduce yield, stunt growth and even kill plants. Feed Quality and palatability are also reduced by sooty molds which grow on the honeydew excrement. In most desert growing areas introduction of resistant varieties (e.g., CUF101) along with the activity of predacious bugs, lady beetles, lacewings, syrphid fly larvae and introduced parasites has reduced this aphid to the status of a minor pest. If susceptible varieties are planted and beneficial insect populations are disrupted, then severe infestations can occur from late July through September. Because spotted alfalfa aphid has developed resistance to organophosphorus compounds, the best way to avoid aphid problems is the planting of a resistant variety. In fields where a susceptible variety is planted the field should be checked 2 to 3 times per week during July through September. -
ZGRUPOWANIA PIEWIKÓW (HEMIPTERA: FULGOROMORPHA ET CICADOMORPHA) WYBRANYCH ZBIOROWISK ROŚLINNYCH BABIOGÓRSKIEGO PARKU NARODOWEGO Monografia
ZGRUPOWANIA PIEWIKÓW (HEMIPTERA: FULGOROMORPHA ET CICADOMORPHA) WYBRANYCH ZBIOROWISK ROŚLINNYCH BABIOGÓRSKIEGO PARKU NARODOWEGO Monografia LEAFHOPPER COMMUNITIES (HEMIPTERA: FULGOROMORPHA ET CICADOMORPHA) SELECTED PLANT COMMUNITIES OF THE BABIA GÓRA NATIONAL PARK The Monograph ROCZNIK MUZEUM GÓRNOŚLĄSKIEGO W BYTOMIU PRZYRODA NR 21 SEBASTIAN PILARCZYK, MARCIN WALCZAK, JOANNA TRELA, JACEK GORCZYCA ZGRUPOWANIA PIEWIKÓW (HEMIPTERA: FULGOROMORPHA ET CICADOMORPHA) WYBRANYCH ZBIOROWISK ROŚLINNYCH BABIOGÓRSKIEGO PARKU NARODOWEGO Monografia Bytom 2014 ANNALS OF THE UPPER SILESIAN MUSEUM IN BYTOM NATURAL HISTORY NO. 21 SEBASTIAN PILARCZYK, MARCIN WALCZAK, JOANNA TRELA, JACEK GORCZYCA LEAFHOPPER COMMUNITIES (HEMIPTERA: FULGOROMORPHA ET CICADOMORPHA) SELECTED PLANT COMMUNITIES OF THE BABIA GÓRA NATIONAL PARK The Monograph Bytom 2014 Published by the Upper Silesian Museum in Bytom Upper Silesian Museum in Bytom Plac Jana III Sobieskiego 2 41–902 Bytom, Poland tel./fax +48 32 281 34 01 Editorial Board of Natural History Series: Jacek Betleja, Piotr Cempulik, Roland Dobosz (Head Editor), Katarzyna Kobiela (Layout), Adam Larysz (Layout), Jacek Szwedo, Dagmara Żyła (Layout) International Advisory Board: Levente Ábrahám (Somogy County Museum, Kaposvar, Hungary) Horst Aspöck (University of Vienna, Austria) Dariusz Iwan (Museum and Institute of Zoology PAS, Warszawa, Poland) John Oswald (Texas A&M University, USA) Alexi Popov (National Museum of Natural History, Sofia, Bulgaria) Ryszard Szadziewski (University of Gdańsk, Gdynia, Poland) Marek Wanat (Museum -
Insect Control Update
Insect Control Update Diane Alston Utah State University Extension 2006 Pesticide Recertification Workshops Topics ◘ Pest – Japanese Beetle ◘ Insect Diagnostics – Recognizing Common Insects & Plant Injury ◘ Examples of Insect Pests ◘ Woody Ornamentals ◘ Greenhouse ◘ Turf Japanese Beetle Popillia japonica Scarab Beetle First found in U.S. in 1916 Orem, Utah: July 2006 >600 adults Mating pair of adults Trap: Sex pheromone/ Floral lure Adult feeding injury to Virginia Creeper Japanese Beetle Primarily a turf pest – Larvae or grubs feed on grass roots Adults have a broad host range – Skeletonize leaves – rose, fruit trees, shade trees, grape, etc. Injury to rose Injury to crabapple Japanese Beetle Management ◘ Eradication is extremely difficult ◘ Don’t panic – it’s unlikely to have a large impact ◘ Keep plants healthy ◘ Plant non-attractive plants (lilac, forsythia, dogwood, magnolia, American Holly) ◘ If detected in turf, control larvae with insecticides (imidacloprid, carbaryl, permethrin) ◘ Traps can provide some adult suppression (75% catch; but can attract them into an area) ◘ Contact local Utah Dept. of Agriculture and Food Office Japanese Beetle Fact Sheet on USU Extension Web Site http://extension.usu.edu/files/publications/factsheet/ENT-100-06PR-A.pdf Insect Diagnosis Insect is present Injury is present What type of injury? Friend or Foe? What life stage is present? Insect Feeding Types Borers Chewing Piercing-Sucking Gall Formers Diagnosis Scouting for Pests ◘ Look at the big picture ◘ Pattern of plant decline/injury ◘ Pest injury -
Insect Killer Outdoor
IN MINUTES WORKS IN STS NTHS LAS MON UP TO 3 Outdoor Insect Killer CONCENTRATE CONTROLS NEW REVISIONS OTHER client: BRAND date submitted: version date: requested finish: 05/10/17 08/16/17 05/??/17 file name: version KILLS OVER AM543 - AMDRO Quick Kill Outdoor number: 500 INSECTS Insect Killer Concentrate 1Qt 6 GUARANTEED TO WORK** requester: designer: AZIEZA UHNAVY BRENT approval sign-off date colors: PMS # ________000 PMS # ________000 CMYK CHINCH BUGS PMS # ________000 PMS # ________000 SPOT FLEAS COLORS PMS # ________000 PMS # ________000 MOSQUITOES ANTS notes: Special notes and instructions will go here. Special notes 300519123-08/17 and instructions will go here. Special notes and instructions ACTIVE INGREDIENT: By Wt. will go here. Special notes and instructions will go here. KEEP OUT OF REACH Zeta-Cypermethrin†..................................0.35% OF CHILDREN OTHER INGREDIENTS: ..............................99.65% See Back Panel For Additional 100.00% This color print is for content and position only. Use Precautionary Statements & First Aid Contract Proof for Process-Color matching. Use Ink † This product contains 0.03 pounds active ingredient per gallon Drawdowns for Spot-Color matching. * Except fleas, ticks and mosquitoes † Cis/trans ratio: Max. 75% (±) cis and min. 25% (±) trans ** Or your money back For Residential Outdoor Uses, including Lawns, Home CENTRAL GARDEN & PET | v2.1 | 9/10/13 Perimeter, Ornamental & Flower Gardens. NET CONTENTS 1 QT (946 mL) Where to Use Lawns, Trees and Shrubs, Roses and Flowers, Outside surfaces -
Great Lakes Entomologist the Grea T Lakes E N Omo L O G Is T Published by the Michigan Entomological Society Vol
The Great Lakes Entomologist THE GREA Published by the Michigan Entomological Society Vol. 45, Nos. 3 & 4 Fall/Winter 2012 Volume 45 Nos. 3 & 4 ISSN 0090-0222 T LAKES Table of Contents THE Scholar, Teacher, and Mentor: A Tribute to Dr. J. E. McPherson ..............................................i E N GREAT LAKES Dr. J. E. McPherson, Educator and Researcher Extraordinaire: Biographical Sketch and T List of Publications OMO Thomas J. Henry ..................................................................................................111 J.E. McPherson – A Career of Exemplary Service and Contributions to the Entomological ENTOMOLOGIST Society of America L O George G. Kennedy .............................................................................................124 G Mcphersonarcys, a New Genus for Pentatoma aequalis Say (Heteroptera: Pentatomidae) IS Donald B. Thomas ................................................................................................127 T The Stink Bugs (Hemiptera: Heteroptera: Pentatomidae) of Missouri Robert W. Sites, Kristin B. Simpson, and Diane L. Wood ............................................134 Tymbal Morphology and Co-occurrence of Spartina Sap-feeding Insects (Hemiptera: Auchenorrhyncha) Stephen W. Wilson ...............................................................................................164 Pentatomoidea (Hemiptera: Pentatomidae, Scutelleridae) Associated with the Dioecious Shrub Florida Rosemary, Ceratiola ericoides (Ericaceae) A. G. Wheeler, Jr. .................................................................................................183 -
Spring Dispersal of Some Leafhoppers and Aphids
Journal of the Minnesota Academy of Science Volume 35 Number 2 Article 11 1968 Spring Dispersal of Some Leafhoppers and Aphids A. G. Peterson University of Minnesota J. D. Bates Northern High School, Pontiac, Michigan R. S. Saini Alabama Agricultural and Mechanical College Follow this and additional works at: https://digitalcommons.morris.umn.edu/jmas Part of the Entomology Commons Recommended Citation Peterson, A. G., Bates, J. D., & Saini, R. S. (1968). Spring Dispersal of Some Leafhoppers and Aphids. Journal of the Minnesota Academy of Science, Vol. 35 No.2, 98-102. Retrieved from https://digitalcommons.morris.umn.edu/jmas/vol35/iss2/11 This Article is brought to you for free and open access by the Journals at University of Minnesota Morris Digital Well. It has been accepted for inclusion in Journal of the Minnesota Academy of Science by an authorized editor of University of Minnesota Morris Digital Well. For more information, please contact [email protected]. ENTOMOLOGY Spring Dispersal of Some Leafhoppers and Aphids 1 A.G. PETERSON,* J. D. BATES,** and R. S. SAINI*** ABSTRACT - Two species of leafhoppers and four species of cereal aphids appear to be trans ported to Minnesota each spring on strong winds from the south or southwest. The aster leaf hopper, Macrosle/es fascifrons (Stall; the English grain aphid, Macrosiphum avenae (Fabr.l; the apple grain aphid, Rhopalosiphum fitchii (Sand.); and the greenbug, Schizaphis graminum (Rend.), usually arrive in Minnesota during late April or early May. Weather conditions favor able for northward movement of these insects consist of a high pressure area over the eastern states, a low pressure area over the western plains, and the resulting strong, persistent, south wind which is often called a low-level jet. -
Homologies of the Head of Membracoidea Based on Nymphal Morphology with Notes on Other Groups of Auchenorrhyncha (Hemiptera)
Eur. J. Entomol. 107: 597–613, 2010 http://www.eje.cz/scripts/viewabstract.php?abstract=1571 ISSN 1210-5759 (print), 1802-8829 (online) Homologies of the head of Membracoidea based on nymphal morphology with notes on other groups of Auchenorrhyncha (Hemiptera) DMITRY A. DMITRIEV Illinois Natural History Survey, Institute of Natural Resource Sustainability at the University of Illinois at Urbana-Champaign, Champaign, Illinois, USA; e-mail: [email protected] Key words. Hemiptera, Membracoidea, Cicadellidae, Cicadoidea, Cercopoidea, Fulgoroidea, head, morphology, ground plan Abstract. The ground plan and comparative morphology of the nymphal head of Membracoidea are presented with particular emphasis on the position of the clypeus, frons, epistomal suture, and ecdysial line. Differences in interpretation of the head structures in Auchenorrhyncha are discussed. Membracoidea head may vary more extensively than heads in any other group of insects. It is often modified by the development of an anterior carina, which apparently was gained and lost multiple times within Membracoidea. The main modifications of the head of Membracoidea and comparison of those changes with the head of other superfamilies of Auchenorrhyncha are described. INTRODUCTION MATERIAL AND METHODS The general morphology of the insect head is relatively Dried and pinned specimens were studied under an Olympus well studied (Ferris, 1942, 1943, 1944; Cook, 1944; SZX12 microscope with SZX-DA drawing tube attachment. DuPorte, 1946; Snodgrass, 1947; Matsuda, 1965; Detailed study of internal structures and boundaries of sclerites Kukalová-Peck, 1985, 1987, 1991, 1992, 2008). There is based on examination of exuviae and specimens cleared in are also a few papers in which the hemipteran head is 5% KOH. -
Hemiptera, Cicadellidae, Typhlocybinae, Erythroneurini) from China
ZooKeys 1042: 35–40 (2021) A peer-reviewed open-access journal doi: 10.3897/zookeys.1042.63593 RESEARCH ARTICLE https://zookeys.pensoft.net Launched to accelerate biodiversity research A new, unusually dark, typhlocybine leafhopper (Hemiptera, Cicadellidae, Typhlocybinae, Erythroneurini) from China Yuehua Song1, Zhouwei Yuan1, Jia Jiang1 1 School of Karst Science, Guizhou Normal University/ State Engineering Technology Institute for Karst Deser- tification Control, Guiyang, Guizhou 550001, China Corresponding author: Yuehua Song ([email protected]) Academic editor: Mick Webb | Received 25 January 2021 | Accepted 13 April 2021 | Published 4 June 2021 http://zoobank.org/32E231DE-BDC6-4F01-8FA5-907F9D79982F Citation: Song Y, Yuan Z, Jiang J (2021) A new, unusually dark, typhlocybine leafhopper (Hemiptera, Cicadellidae, Typhlocybinae, Erythroneurini) from China. ZooKeys 1042: 35–40. https://doi.org/10.3897/zookeys.1042.63593 Abstract An unusually dark typhlocybine leafhopper (Cicadellidae, Typhlocybinae, Erythroneurini) from Guizhou Province, China, is described as a new genus and species, Shibinga gen. nov., and S. nigra sp. nov. Detailed morphological descriptions and illustrations of the new species are provided. Keywords Auchenorrhyncha, Homoptera, morphology, new taxa, taxonomy Introduction Erythroneurini Young (1952) is the largest tribe in the subfamily Typhlocybinae. The tribe is distinguished by the hind wing without apical submarginal vein (Fig. 2N) and is particularly diverse in the Original region where many genera and species re- main to be described. In the course of studying Chinese Erythroneurini, an unusually dark (almost black) colored species was collected from Guizhou Province (Southwest China) and found to belong to a new genus and species, described herein. Most other Copyright Yuehua Song et al.