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Abstracts of Talks and Posters, 10Th International Auchenorrhyncha Congress, Cardiff

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Abstracts of Talks and Posters, 10Th International Auchenorrhyncha Congress, Cardiff ABSTRACTS OF TALKS AND POSTERS University of California, Berkeley August 7-12, 2005 Contents Welcome and Acknowledgements List of participants Opening keynote talks Fossils Versus Molecules and Cladistics: Controversies over the Hemiptera Phylogeny I-1 to 3 Acoustic Signals, Species and Speciation in Auchenorrhyncha: I-4 to 5 A Historical Review An Ancient Symbiont of Auchenorrhyncha from the Bacterial Phylum Bacteriodetes I-5 Why Do We Study Auchenorrhynchan Feeding Processes? I-6 to 7 Symposium: Electrical Penetration Graph (EPG) Monitoring to Study Auchenorrhynchan S-1 to S-9 Feeding Processes (Monday afternoon) Symposium: Phylogeny and Evolution of Auchenorrhyncha – I (Tuesday morning) S-10 to S-20 Symposium: Phylogeny and Evolution of Auchenorrhyncha – II (Thursday morning) S-21 to S-32 Symposium: Invasive Auchenorrhyncha S-33 to S-40 Posters (alphabetical order by last name of presenting author) Behavior (3 abstracts) P-1 to P-5 Ecology (6) P-6 to P-13 Physiology (3) P-14 to P-16 Systematics (13) P-17 to P-35 Vectors (6) P-36 to 43 Submitted Papers (alphabetical order by last name of presenting author) T-1 to 21 Welcome to Berkeley! We hope you will have a rewarding meeting. Many of us have worked towards making this meeting both enjoyable and productive. We hope you will enjoy it. Acknowledgements The 12th Intl. Auchenorrhyncha Congress and concurrent 6th Intl. Workshop on Leafhoppers and Planthoppers of Economic Significance is supported by a grant (2004-01095) from United States Department of Agriculture, Cooperative State Research, Education, and Extension Service. The College of Natural Resources at UC Berkeley provided support and encouragement. We also thank the universities Conference Services, particularly Mary Saito for their help. We appreciate the contributions of Beringer Winery, Kendall-Jackson Winery, Monterey-Pacific Winery, and Stag’s Leap Cellars. Thanks to those in the Purcell and Roderick labs who helped out. Clytia Montllor Curley, Tina Wistrom, Clelia Bacarri, and Joe Spagna were especially helpful. Rita Purcell headed the planning for activities for accompanying persons and she and Alison Purcell O’Dowd helped out in many other ways. LIST OF PRE-REGISTERED PARTICIPANTS Name Affiliation Email Almeida, Rodrigo University of Hawaii [email protected] Ammar, El-Desouky Dept. Entomology, The Ohio State [email protected] University Backus, Elaine USDA-ARS [email protected] Bartlett, Charles University of Delaware [email protected] Bellis, Glenn University of Queensland [email protected] Bernard, Reynaud CIRAD [email protected] Bosco, Domenico Università di Torino - Di.Va.P.R.A. [email protected] - Entomologia Bosque-Perez, Nilsa University of Idaho [email protected] Bressan, Alberto University of Padova [email protected] Carpane, Pablo Daniel Oklahoma State University [email protected] Claridge, Michael University of Wales, Cardiff, UK [email protected] Cocroft, Rex University of Missouri [email protected] Cryan, Jason New York State Museum [email protected] De Luca, Paul University of Missouri [email protected] Dietrich, Chris Illinois Natural History Survey [email protected] Dollet, Michel CIRAD [email protected] Donovall, Leo University of Delaware [email protected] Emeljanov, Alexander Russian Academy of Sciences [email protected] Fletcher, Murray New South Wales Dept of Primary [email protected] Industries Freytag, Paul University of Kentucky [email protected] Gill, Raymond California Dept. Food & Agriculture [email protected] Godoy, Carolina National Biodiversity Institute [email protected],[email protected] INBio Gonzon, Anthony University of Delaware [email protected] Grandgirard, Julie Gump Station [email protected] Gustavo, Moya-Raygoza University of Guadalajara [email protected] Hamilton, Andy Agriculture Canada [email protected] Hayashi, Masami Saitama University [email protected] Hill, Kathy University of Connecticut [email protected] Hoddle, Mark Department of Entomology [email protected] Jones, Walker USDA-ARS-EBCL [email protected] Kamitani, Satoshi Kyushu University [email protected] Krishnankutty, Sindhu University of Illinois,Urbana- Champaign [email protected] Kwon, Yong Jung School of Applied Biology and [email protected] Chemistry, Coll. of Agr. Life Sci., Kyungpook National University Loecker, Birgit University of Sydney [email protected] Loecker, Holger University of Sydney [email protected] Lopes, Joao ESALQ/USP [email protected] Marshall, David University of Connecticut [email protected] Mizell, Russell University of Florida [email protected] Moran, Nancy Univ of Arizona [email protected] Muhlethaler, Roland Naturhistorisches Museum [email protected] 2313 W. Calle Balaustre, Green O'Brien, Lois and Charles [email protected] Valley, AZ 85614-4087 National Agricultural Research Otuka, Akira Center [email protected] Petit, Jérôme Gump station [email protected] Purcell, Sandy Univ. of California [email protected] Rakitov, Roman Illinois Natural History Survey [email protected] Ramos, Mariangie CATIE/University of Idaho [email protected] Ranger, Chris Rutgers University [email protected] Roderick, George UC Berkeley [email protected] Rubinoff, Dan The University of Hawai'i [email protected] Sangha, Jatinder IRRI (Ph.D. Student) [email protected] Semeraro, Linda Department of Primary Industries [email protected] Semetey, Olivier INRA [email protected] Shcherbakov, Dmitry Russian Academy of Sciences [email protected] Shugart, Holly USDA-ARS [email protected] Snyder, Robert University of Missouri [email protected] Sorensen, John Calif. Dept. of Food & Agriculture [email protected] Sacramento Stafford, Candice UC Riverside [email protected] Stiller, Michael Plant Protection Research Institute [email protected] Szwedo, Jacek Museum and Institute of Zoology [email protected] Polish Academy of Sciences Takiya, Daniela M. Illinois Natural History Survey [email protected] Department Biological Sciences, Thompson, Vinton Kean University [email protected] Triapitsyn, Serguei University of California at Riverside [email protected] Urban, Julie New York State Museum [email protected] Walker, Gregory Univ of California, Riverside [email protected] Wallner, Adam University of Illinois at Urbana- [email protected] Champaign Wayadande, Astri Oklahoma State University [email protected] Whitcomb, Robert [email protected] Wilson, Michael National Museum of Wales [email protected] Winterton, Shaun CA Dept. of Food & Agriculture [email protected] Zahniser, James Department of Entomology [email protected] Opening Keynote Talks I-1 Fossils versus Molecules and Cladistics: Controversies over the Hemiptera Phylogeny Dmitry E. Shcherbakov, Paleontological Institute, Russian Academy of Sciences, Moscow 117647, Russia. [email protected] Ten years ago grouping Heteroptera (+Coleorrhyncha) together with Auchenorrhyncha as Euhemiptera, their sister relationships with Sternorrhyncha, and therefore paraphyly of Homoptera have been inferred from the 18S rDNA (Campbell et al. 1994, 1995; Sorensen et al. 1995; von Dohlen and Moran 1995). There is nothing new under the moon: morphological synapomorphies of Heteropterodea and Auchenorrhyncha have been listed by Emeljanov (1987), their common ancestry has been traced by Popov (1980), and they have been united as Hemelytrata (=Euhemiptera) and opposed to Hymenelytrata (sternorrhynchans and thrips) within Hemiptera by Fallen (1829). So the only novelty was a cladistic claim to abandon paraphyletic Homoptera. However, paraphyletic taxa are inherent in the Linnean classification (Brummitt 2003), so taxonomists and paleontologists will continue to use such concepts as Reptilia, Blattodea or Homoptera. When tracing phylogeny through the fossil record we arrange taxonomic clusters in branched chains of ancestry, rank these clusters according to the hierarchy of hiatuses between them, and accept all non-polyphyletic taxa as natural (Rasnitsyn 1996); holophyly and paraphyly are merely two stages in evolution of a taxon: all paraphyletic taxa had once been holophyletic, and all holophyletic taxa are potentially paraphyletic. Even taxa that do not have any diagnostic characters in common may fall into the same cluster if we find all the intermediate steps between them: ‘The characters do not make the genus; but the genus gives the characters’ (Linnaeus 1751). For the basal branching of Hemiptera, molecular cladograms differ from morphology- and fossil-based phylogeny (Shcherbakov and Popov 2002). The lineage Psocida (Permopsocina)→Lophioneurina→Thysanoptera is traceable back along with the Hemiptera lineage into the earliest Permian (285 Myr ago), both descending from Paleozoic Hypoperlina. Fossils indicate that Thysanoptera and Hemiptera developed sucking mouthparts in parallel, contrary to their grouping as Condylognatha based on putative synapomorphies (Börner 1904) and 18S rDNA (Johnson et al. 2004). The Psyllina lineage (Psyllomorpha and their offshoot Aleyrodomorpha, known since the Jurassic – Shcherbakov 2000) and Aphidina lineage (extinct Pincombeomorpha and their descendants Aphidomorpha and Coccomorpha, both since the Triassic) separated before the mid-Permian (270 Myr) from Permian Paleorrhyncha (=Archescytinina), the stem hemipterans ancestral also to Hemelytrata and showing apomorphies
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