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Asian Citrus Psyllid, Diaphorina Citri Kuwayama (Insecta: Hemiptera: Psyllidae)1 F
EENY-033 Asian Citrus Psyllid, Diaphorina citri Kuwayama (Insecta: Hemiptera: Psyllidae)1 F. W. Mead and T. R. Fasulo2 Introduction In June 1998, the insect was detected on the east coast of Florida, from Broward to St. Lucie counties, and was The Asian citrus psyllid, Diaphorina citri Kuwayama, is apparently limited to dooryard host plantings at the time of widely distributed in southern Asia. It is an important pest its discovery. By September 2000, this pest had spread to 31 of citrus in several countries as it is a vector of a serious Florida counties (Halbert 2001). citrus disease called greening disease or Huanglongbing. This disease is responsible for the destruction of several Diaphorina citri is often referred to as citrus psylla, but this citrus industries in Asia and Africa (Manjunath 2008). is the same common name sometimes applied to Trioza Until recently, the Asian citrus psyllid did not occur in erytreae (Del Guercio), the psyllid pest of citrus in Africa. North America or Hawaii, but was reported in Brazil, by To avoid confusion, T. erytreae should be referred to as the Costa Lima (1942) and Catling (1970). African citrus psyllid or the two-spotted citrus psyllid (the latter name is in reference to a pair of spots on the base of the abdomen in late stage nymphs). These two psyllids are the only known vectors of the etiologic agent of citrus greening disease (Huanglongbing), and are the only eco- nomically important psyllid species on citrus in the world. Six other species of Diaphorina are reported on citrus, but these are non-vector species of relatively little importance (Halbert and Manjunath 2004). -
Corythucha Arcuata
Rapid Pest Risk Analysis (PRA) for: Corythucha arcuata November 2018 Summary and conclusions of the rapid PRA This rapid PRA is an update of one produced in 2007 and shows that the oak lace bug has the potential to add strain to trees and ecosystems which are already under threat from other pests and environmental factors. This pest has been present in Europe for some time, but in recent years its distribution has either expanded, or its population levels have increased so there is greater evidence of the potential effects of this pest, though still many uncertainties. The ratings for establishment potential and economic impact remain unchanged, however, more evidence of the potential of this pest to move on wood and wood products has led to a raising of the risk of entry, and evidence from Europe suggests that this pest may have a greater potential environmental impact than previously rated. Risk of entry Although oak trees are the preferred host, there are a number of other tree species that can be potential hosts, and therefore entry has been assessed accordingly. Entry on plants for planting has been assessed as moderately likely with medium confidence. The oak lace bug is most likely to be associated with plants for planting when overwintering under loose bark scales and in crevices. Most plants imported into the UK are likely to be young trees, with few bark crevices. Larger trees do represent a significant 1 risk, as it would be difficult to determine if they were pest free, however the numbers are likely to be fewer. -
EPPO Reporting Service
ORGANISATION EUROPEENNE EUROPEAN AND MEDITERRANEAN ET MEDITERRANEENNE PLANT PROTECTION POUR LA PROTECTION DES PLANTES ORGANIZATION EPPO Reporting Service NO. 1 PARIS, 2021-01 General 2021/001 New data on quarantine pests and pests of the EPPO Alert List 2021/002 Update on the situation of quarantine pests in the Russian Federation 2021/003 Update on the situation of quarantine pests in Tajikistan 2021/004 Update on the situation of quarantine pests in Uzbekistan 2021/005 New and revised dynamic EPPO datasheets are available in the EPPO Global Database Pests 2021/006 Anoplophora glabripennis eradicated from Austria 2021/007 Popillia japonica is absent from Germany 2021/008 First report of Scirtothrips aurantii in Spain 2021/009 Agrilus planipennis found in Saint Petersburg, Russia 2021/010 First report of Spodoptera frugiperda in Syria 2021/011 Spodoptera frugiperda found in New South Wales, Australia 2021/012 Spodoptera ornithogalli (Lepidoptera Noctuidae - yellow-striped armyworm): addition to the EPPO Alert List 2021/013 First report of Xylosandrus compactus in mainland Spain 2021/014 First report of Eotetranychus lewisi in mainland Portugal 2021/015 First report of Meloidogyne chitwoodi in Spain 2021/016 Update on the situation of the potato cyst nematodes Globodera rostochiensis and G. pallida in Portugal Diseases 2021/017 First report of tomato brown rugose fruit virus in Belgium 2021/018 Update on the situation of tomato brown rugose fruit virus in Spain 2021/019 Update on the situation of Acidovorax citrulli in Greece with findings -
Feeding Behaviour of the Asiatic Citrus Psyllid, Diaphorina Citri, on Healthy and Huanglongbing-Infected Citrus
DOI: 10.1111/j.1570-7458.2012.01222.x Feeding behaviour of the Asiatic citrus psyllid, Diaphorina citri, on healthy and huanglongbing-infected citrus Yijing Cen1, Chengliang Yang1, Paul Holford2*, G. Andrew C. Beattie2, Robert N. Spooner-Hart2, Guangwen Liang1 &XiaolingDeng3 1Laboratory of Insect Ecology, Faculty of Natural Resources and Environment, South China Agricultural University, Wushan, Guangzhou, Guangdong 510642, China, 2School of Health and Science, University of Western Sydney, Locked Bag 1797, Pen- rith, NSW 2751, Australia, and 3Laboratory of Citrus Huanglongbing, Faculty of Natural Resources and Environment, South China Agricultural University, Wushan, Guangzhou, Guangdong 510642, China Accepted: 19 December 2011 Key words: electrical penetration graph, phloem ingestion, salivation, xylem ingestion, Hemiptera, Sternorrhyncha, Psyllidae, ‘Candidatus Liberibacter asiaticus’, Rutaceae, a-Proteobacteria, EPG Abstract Diaphorina citri Kuwayama (Hemiptera: Sternorrhyncha: Psyllidae) is a vector of huanglongbing, a diseaseofcitrusthatinAsiaiscausedby‘Candidatus Liberibacter asiaticus’ (a-Proteobacteria) (Las). Acquisition of Las by D. citri appears to be variable, and this variability may be due to the suitability of the host plants and their tissues for acquisition. Therefore, this study aimed to determine the effect of symptom severity of the disease on the feeding behaviour of D. citri. Use of an electrical penetration graph showed that the pathway phase of D. citri consisted of four waveforms, A, B, C, and D; wave- forms A and B have not been reported for D. citri before. The remaining waveforms, E1, E2, and G, conform to those described before for D. citri. The duration of the non-penetration period did not differ between healthy or infected plants. However, in moderately and severely symptomatic plants, the duration of the pathway phase increased, whereas the phloem phase was shorter. -
Annotation and Analysis of Yellow Genes in Diaphorina Citri, Vector for the Huanglongbing Disease Crissy Massimino1, Chad Vosburg1, Teresa Shippy2, Prashant S
bioRxiv preprint doi: https://doi.org/10.1101/2020.12.22.422960; this version posted December 22, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC 4.0 International license. Annotation and analysis of yellow genes in Diaphorina citri, vector for the Huanglongbing disease Crissy Massimino1, Chad Vosburg1, Teresa Shippy2, Prashant S. Hosmani3, Mirella Flores- Gonzalez3, Lukas A. Mueller3, Wayne B. Hunter4, Joshua B. Benoit5, Susan J. Brown2, Tom D’Elia1 and Surya Saha3,6 1 Indian River State College, Fort Pierce, FL 34981 2 Division of Biology, Kansas State University, Manhattan, KS 66506 3 Boyce Thompson Institute, Ithaca, NY 14853 4 USDA-ARS, U.S. Horticultural Research Laboratory, Fort Pierce, FL 34945 5 Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, 45221 6 Animal and Comparative Biomedical Sciences, University of Arizona, Tucson, AZ 85721 ABSTRACT Huanglongbing (HLB), also known as citrus greening disease, is caused by the bacterium Candidatus Liberibacter asiaticus (CLas) and represents a serious threat to global citrus production. This bacteria is transmitted by the Asian citrus psyllid, Diaphorina citri (Hemiptera) and there are no effective in-planta treatments for CLas. Therefore, one strategy is to manage the psyllid population. Manual annotation of the D. citri genome can identify and characterize gene families that could serve as novel targets for psyllid control. The yellow gene family represents an excellent target as yellow genes are linked to development and immunity due to their roles in melanization. -
3 Mating Behavior of the Asian Citrus Psyllid
3 Mating Behavior of the Asian Citrus Psyllid Richard W. Mankin1* and Barukh Rohde2 1US Department of Agriculture, Agricultural Research Service, Center for Medical, Agricultural, and Veterinary Entomology, Gainesville, Florida, USA; 2Department of Electrical and Computer Engineering, University of Florida, Gainesville, Florida, USA Many aspects of the mating behavior of Diapho- produce signals ranging approximately 150– rina citri Kuwayama (Hemiptera: Liviidae), the 500 ms in duration, and females 331–680 ms. Asian citrus psyllid (ACP) are shared by other mem- The spectra of communication signals produced bers of the Psylloidea. Adults are reproductively by D. citri have prominent frequencies that are mature within about 2 days post-eclosion, and multiples (harmonics) of the 170–250 Hz wing- both sexes mate multiple times during their lifetime. beat frequency, and both sexes respond behav- Typically, courtship is mediated by short-range, iorally to synthetic signals containing three or substrate- borne vibrational communication and more wingbeat harmonics. When the male semiochemicals. In citrus orchards, D. citri court- finds the female, he moves alongside with their ship is facilitated by host-seeking and foraging heads pointing in the same direction and grasps behavior, as both sexes are attracted to green and her with his adjacent legs, bringing his abdo- yellow colors, as well as to volatiles of young men from underneath to meet the opening of flush shoots on the host tree, and short-range her genital segment. They remain in copulation communication is sufficient for finding mates in for about 48 min. Dispersal and mating behavior aggregations that develop soon after the flush of D. -
Howard Associate Professor of Natural History and Curator Of
INGI AGNARSSON PH.D. Howard Associate Professor of Natural History and Curator of Invertebrates, Department of Biology, University of Vermont, 109 Carrigan Drive, Burlington, VT 05405-0086 E-mail: [email protected]; Web: http://theridiidae.com/ and http://www.islandbiogeography.org/; Phone: (+1) 802-656-0460 CURRICULUM VITAE SUMMARY PhD: 2004. #Pubs: 138. G-Scholar-H: 42; i10: 103; citations: 6173. New species: 74. Grants: >$2,500,000. PERSONAL Born: Reykjavík, Iceland, 11 January 1971 Citizenship: Icelandic Languages: (speak/read) – Icelandic, English, Spanish; (read) – Danish; (basic) – German PREPARATION University of Akron, Akron, 2007-2008, Postdoctoral researcher. University of British Columbia, Vancouver, 2005-2007, Postdoctoral researcher. George Washington University, Washington DC, 1998-2004, Ph.D. The University of Iceland, Reykjavík, 1992-1995, B.Sc. PROFESSIONAL AFFILIATIONS University of Vermont, Burlington. 2016-present, Associate Professor. University of Vermont, Burlington, 2012-2016, Assistant Professor. University of Puerto Rico, Rio Piedras, 2008-2012, Assistant Professor. National Museum of Natural History, Smithsonian Institution, Washington DC, 2004-2007, 2010- present. Research Associate. Hubei University, Wuhan, China. Adjunct Professor. 2016-present. Icelandic Institute of Natural History, Reykjavík, 1995-1998. Researcher (Icelandic invertebrates). Institute of Biology, University of Iceland, Reykjavík, 1993-1994. Research Assistant (rocky shore ecology). GRANTS Institute of Museum and Library Services (MA-30-19-0642-19), 2019-2021, co-PI ($222,010). Museums for America Award for infrastructure and staff salaries. National Geographic Society (WW-203R-17), 2017-2020, PI ($30,000). Caribbean Caves as biodiversity drivers and natural units for conservation. National Science Foundation (IOS-1656460), 2017-2021: one of four PIs (total award $903,385 thereof $128,259 to UVM). -
EPPO Reporting Service
ORGANISATION EUROPEENNE EUROPEAN AND MEDITERRANEAN ET MEDITERRANEENNE PLANT PROTECTION POUR LA PROTECTION DES PLANTES ORGANIZATION EPPO Reporting Service NO. 09 PARIS, 2014-09-01 CONTENTS _______________________________________________________________________ Pests & Diseases 2014/158 - New additions to the EPPO A1 and A2 Lists 2014/159 - PQR - the EPPO database on quarantine pests: new update 2014/160 - EPPO Global Database has just been launched (https://gd.eppo.int/) 2014/161 - Megacopta cribraria is an emerging pest of soybean in the USA: addition to the EPPO Alert List 2014/162 - Interception of Callidiellum villosulum in Malta 2014/163 - A new disease of coast live oaks (Quercus agrifolia) in California (US) is associated with Geosmithia pallida and Pseudopityophthorus pubipennis 2014/164 - First report of Globodera pallida in Bosnia and Herzegovina 2014/165 - First report of Xanthomonas fragariae in Mexico 2014/166 - Studies on olive (Olea europaea) as a host of Xylella fastidiosa in California (US) 2014/167 - First reports of ‘Candidatus Liberibacter asiaticus’ in Guadeloupe and Martinique 2014/168 - Tomato apical stunt viroid detected on tomatoes in Italy 2014/169 - Survey on Potato spindle tuber viroid and Tomato apical stunt viroid in ornamental plants in Croatia. 2014/170 - First report of Fusarium oxysporum f. sp. cubense tropical race 4 in Jordan 2014/171 - New data on quarantine pests and pests of the EPPO Alert List CONTENTS ___________________________________________________________________________ Invasive Plants 2014/172 -
To Corythucha Arcuata (Say, 1832) Attack
Physiological responses of pedunculate oak (Quercus robur L.) to Corythucha arcuata (Say, 1832) attack Nataša Nikolić1,*, Andrej Pilipović2, Milan Drekić2, Danijela Kojić1, Leopold Poljaković-Pajnik2, Saša Orlović2 and Danijela Arsenov1 1Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obrodovića 3, Novi Sad, Republic of Serbia 2Institute of Lowland Forestry and Environment, University of Novi Sad, Antona Čehova 13, Novi Sad, Republic of Serbia *Corresponding author: [email protected] Received: September 27, 2018; Revised: November 30, 2018; Accepted: December 14, 2018 Abstract: The spread and occurrence of the oak lace bug Corythucha arcuata out of its natural distribution area across European and Asian countries has been reported during the past decades. The ecological and economic significance of oak stands and the vulnerability of plants to various abiotic and/or biotic factors requires in-depth knowledge of plant-pest interaction. The present study examined the influence of C. arcuata feeding on the photosynthetic characteristics and gas-exchange parameters, mineral nutrient concentrations and defense mechanisms (the activities of some antioxidant enzymes) of leaves of pedunculate oak. The rate of photosynthesis, transpiration and stomatal conductance were lowered by 58.84, 21.66 and 35.71%, respectively, in comparison to non- infested plants. The concentrations of photosynthetic pigments and activities of antioxidant enzymes, catalase and ascorbate peroxidase, were affected by the presence of C. arcuata. To our knowledge this is the first paper providing a report on the physiological responses of Q. robur plants exposed to C. arcuata infestation. Understanding the impact of pests, such as the invasive species C. -
Consequences of Linguistic Uncertainty for Insect Management
WATCH YOUR LANGUAGE Consequences of Linguistic Uncertainty for Insect Management THERESA M. CIRA, KATHY QUICK, AND ROBERT C. VENETTE JA'CRISPY/ISTOCK 258 AMERICAN ENTOMOLOGIST | WINTER 2019 his is a call to entomologists to consider the un- certainty introduced into our works through the language we use. Albert Einstein remarked, “Every- thing depends on the degree to which words and word-combinations correspond to the world of im- Tpression,” which makes language a “dangerous source of error and deception” (Hawking 2007). Scientists usually research and deliberately choose the language they use to propose new concepts or terminology. Often, however, terms slip into the lexicon through less systematic means. Words may seem to have meanings so obvious that broad understanding of the term may be taken for granted, but individual contexts are diverse, and to assume that a word’s meaning is unchanging across time and space is to overlook the uncertainties of lan- guage. Thus, communication through even the most common entomological vocabulary can fail. Language is a mutable, un- certain, and imperfect way of representing the world. Because language is integral to science and yet inherently imprecise, it is important for scientists to recognize and address uncertain- ty in the language of our works. Uncertainty, as defined by the Society a phenomenon is repeatedly observed and for Risk Analysis (2015), is “not knowing the individuals agree that measurements con- true value of a quantity or the future con- verge, to some degree, on a specific point, sequences of an activity,” or “imperfect or more certainty about the true nature of the incomplete information/knowledge about phenomenon can be asserted. -
Guide to the Identification of Brown Marmorated Stink Bug, Halyomorpha Halys, and Other Similar Bugs
Department of Agriculture and Water Resources Guide to the identification of brown marmorated stink bug, Halyomorpha halys, and other similar bugs Biosecurity SEPTEMBER 2015 © Commonwealth of Australia 2015 Ownership of intellectual property rights Contact Unless otherwise noted, copyright (and any other intellectual Department of Agriculture and Water Resources property rights, if any) in this publication is owned by the Commonwealth of Australia (referred to as the Commonwealth). Postal address GPO Box 858 Canberra ACT 2601 Switchboard +61 2 6272 2000 Creative Commons licence Facsimile +61 2 6272 2001 All material in this publication is licensed under a Creative Web agriculture.gov.au Commons Attribution 3.0 Australia Licence, save for content supplied by third parties, logos and the Commonwealth Coat Inquiries about the licence and any use of this document of Arms. should be sent to [email protected]. The Australian Government acting through the Department of Agriculture and Water Resources has exercised due care Creative Commons Attribution 3.0 Australia Licence is a and skill in preparing and compiling the information and standard form licence agreement that allows you to copy, data in this publication. Notwithstanding, the Department of distribute, transmit and adapt this publication provided Agriculture and Water Resources, its employees and advisers you attribute the work. A summary of the licence terms disclaim all liability, including liability for negligence and is available from creativecommons.org/licenses/by/3.0/ for any loss, damage, injury, expense or cost incurred by any au/deed.en. The full licence terms are available from person as a result of accessing, using or relying upon any of creativecommons.org/licenses/by/3.0/au/legalcode. -
EPPO Reporting Service
ORGANISATION EUROPEENNE EUROPEAN AND ET MEDITERRANEENNE MEDITERRANEAN POUR LA PROTECTION DES PLANTES PLANT PROTECTION ORGANIZATION EPPO Reporting Service NO. 4 PARIS, 2018-04 General 2018/068 New data on quarantine pests and pests of the EPPO Alert List 2018/069 Quarantine lists of Kazakhstan (2017) 2018/070 EPPO report on notifications of non-compliance 2018/071 EPPO communication kits: templates for pest-specific posters and leaflets 2018/072 Useful publications on Spodoptera frugiperda Pests 2018/073 First report of Tuta absoluta in Tajikistan 2018/074 First report of Tuta absoluta in Lesotho 2018/075 First reports of Grapholita packardi and G. prunivora in Mexico 2018/076 First report of Scaphoideus titanus in Ukraine 2018/077 First report of Epitrix hirtipennis in France 2018/078 First report of Lema bilineata in Italy 2018/079 Eradication of Anoplophora glabripennis in Brünisried, Switzerland 2018/080 Update on the situation of Anoplophora glabripennis in Austria Diseases 2018/081 First report of Ceratocystis platani in Turkey 2018/082 Huanglongbing and citrus canker are absent from Egypt 2018/083 Xylella fastidiosa eradicated from Switzerland 2018/084 Update on the situation of Ralstonia solanacearum on roses in Switzerland 2018/085 First report of ‘Candidatus Phytoplasma fragariae’ in Slovenia Invasive plants 2018/086 Ambrosia artemisiifolia control in agricultural areas in North-west Italy 2018/087 Optimising physiochemical control of invasive Japanese knotweed 2018/088 Update on LIFE project IAP-RISK 2018/089 Conference: Management and sharing of invasive alien species data to support knowledge-based decision making at regional level (2018-09-26/28, Bucharest, Romania) 21 Bld Richard Lenoir Tel: 33 1 45 20 77 94 E-mail: [email protected] 75011 Paris Fax: 33 1 70 76 65 47 Web: www.eppo.int EPPO Reporting Service 2018 no.