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2º Meeting of ALAEQ Latin American Association of Chemical Ecology 2º Meeting of ALAEQ Latin American Association of Chemical Ecology December 2-5, 2012 Huerta Grande-Córdoba, Argentina Organized by Latin American Association of Chemical Ecology Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción (CICyTTP-CONICET, Argentina) Facultad de Agronomía, Universidad de Buenos Aires, Argentina 1 2 TABLE OF CONTENTS SPONSORS ................................................................5 ORGANIZATION..........................................................7 WELCOME LETTER….................................................9 PROGRAM.................................................................11 ABSTRACTS OF: CONFERENCE..........................23 COLLOQUIA..............................31 SYMPOSIA................................45 ORAL PRESENTATIONS…......71 POSTERS..................................93 LIST OF AUTHORS & PARTICIPANTS..................203 3 4 5 6 ORGANIZING COMMITTEE SCIENTIFIC COMMITTEE Mauricio Bento (Brasil) Miguel Borges (Brasil) Jan Bergmann (Chile) M. Carolina Blassioli Moraes Walter Farina (Argentina) (Brasil) Andres Gonzalez (Uruguay) Micaela Buteler (Argentina) Pablo Guerenstein (Argentina, M. Pia Calcagno (Venezuela) President ) Patricia Fernandez (Argentina) Raul Laumann (Brasil) Paola G. Audino (Argentina) Walter Leal (USA) Jorge Molina (Colombia) Eraldo Lima (Brasil) Sara Palacios (Argentina) Marcelo Lorenzo (Brasil) Martin Pareja (Brasil) Jose Trigo (Brasil) Andres Quiroz (Chile) Paulo Zarbin (Brasil) Julio Rojas (Mexico) Jorge Zavala (Argentina, Vice- Carmen Rossini (Uruguay) President ) Carolina Spiegel (Brasil) Cristian Villagra (Chile) Paulo Zarbin (Brasil) 7 8 Dear Colleagues, Welcome to Huerta Grande, Argentina, and to the 2 nd Meeting of the Latin American Association of Chemical Ecology (ALAEQ). After the success of our first meeting in Uruguay in 2010, which resulted in new intraregional collaborations, we were encouraged to organize this second edition. Chemical Ecology is not new in our region and its growth was reflected in, and catalyzed by, the Brazilian EBEQ meetings. Our field continues to grow and is now being consolidated in more Latin American countries. Still, we need to strengthen our Association. We need all relevant players to work together towards the advancement of our field and, importantly, towards the application of our research in Latin America. Clearly, Chemical Ecology can make a contribution towards the development of the much needed sustainable, environmentally friendly, pest management strategies. Fortunately, we again reached 150 participants from six Latin American countries (and Africa!), and the number of abstracts has clearly increased from our first meeting. Our Latin American community is hard at work and we have every reason to believe our scientific production will continue growing, Let us then meet once more, present our new work, get excited with the work of others, and discuss future collaborations and the future of our Association. We want to thank our colleagues that helped organizing this event and, of course, all participants for their support. We also want to thank our sponsors, in particular Chemtica, and the speakers that came a long way from North America and Europe to present their work and discuss the work of others. We wish you a productive and enjoyable meeting ! Jan Bergmann, Jorge Zavala, Pablo Guerenstein 9 10 PROGRAM 11 12 Sunday, December 2 14:00 - 17:30 Registration and mounting of posters 17:30 - 17:45 OFFICIAL WELCOME AND OPENING REMARKS Jan Bergmann , President of the ALAEQ Pablo Guerenstein , President of the Organizing Committee of ALAEQ 2012 17:50 - 18:40 INAUGURAL CONFERENCE Chair: Pablo Guerenstein “Reverse Chemical Ecology”: Predictions for Chemical Ecology and Behavior of Moths from Olfactory Neurobiology John Hildebrand, University of Arizona, USA ORAL PRESENTATIONS I Chair: Jorge Molina 18:45 – 19:00 O1 - Host plant-derived volatile blends: how do changing ratios of constituents influence female insect behavior and neurophysiological responses? Adriana J. Najar-Rodriguez, ETH Zurich, Institute of Agricultural Sciences, Switzerland 19:00 – 19:15 O2 - Attraction of carrion beetles ( Oxelytrum discicolle ) to carcass volatiles and identification of the male sex pheromone Douglas H. Fockink, Universidade Federal do, Brasil. 19:30 - 21:30 Welcome Reception Monday, December 3 08:15 - 08:50 CONFERENCE Chair: Paulo Zarbin Cerambycid Beetles: A Gold Mine of New Semiochemistry Jocelyn Millar, University of California - Riverside, USA 13 COLLOQUIUM SESSION: “Chemistry of pheromones and other semiochemicals” Chair: Paulo Zarbin 8:55 – 9:05 Introduction 9:05 – 9:35 The sex pheromone of the citrophilus mealybug: From identification to the development of applications in pest management Jan Bergmann, Pontificia Universidad Católica de Valparaíso, Chile 9:35 – 10:05 The Absolute Configuration of Pheromones of Mealybugs and Triatomines C. Rikard Unelius , Linnaeus University, Sweden & The New Zealand Institute for Plant & Food Research Ltd 10:05 – 10:35 Synthesis of Pheromone for Insect Control Antônio Euzébio Goulart Santana, Universidade Federal de Alagoas, Brasil 10:35-10:55 Coffee Break 10:55 – 11:25 Highlights in Pheromone Chemistry at the Laboratório de Semioquímicos (UFPR) Paulo H. G. Zarbin , Universidade Federal do Paraná, Brazil SYMPOSIUM: “Marine Chemical Ecology” Chair: Renato Crespo Pereira 11:30 – 11:40 Introduction 11:40 – 12:05 Marine Chemical Ecology: advancing into an unexplored area Claudia Muniain, Universidad Nacional de San Martín, Argentina 12:05 – 12:30 Chemical studies on sponges of the genus Cliona Leonardo Castellanos , Universidad Nacional de Colombia, Colombia 12:30 – 12:55 Marine Chemical Ecology in Brazil: origin, development and perspectives Renato Crespo Pereira , Universidade Federal Fluminense, Brasil 12:55 - 14:10 Lunch break 14 14:10 - 14:40 COLLOQUIUM How knowledge about the neurobiology and the behavior of the honeybee can contribute to improve pollination services and crop yield in sunflower fields Walter M. Farina , Universidad de Buenos Aires, Argentina SYMPOSIUM: “ Neurobiology of chemoreception” Chairs: Fernando Locatelli and Marcelo Lorenzo 14:45 - 14:55 Introduction 14:55 - 15:15 The pleasure of eating in haematophagous insects Romina B. Barrozo, Universidad de Buenos Aires, Argentina 15:15 - 15:35 Electrophysiological activity of ticks sensilla to phagostimulants, phytoecdysteroids and to host-related and tick pheromone- related synthetic compounds Lígia M. F. Borges, Universidade Federal de Goiás, Brazil 15:35 - 15:55 Could pre-imaginal olfactory experiences modify the post- metamorphic odor-mediated responses in a social insect? Gabriela P. Ramírez , Universidad de Buenos Aires, Argentina. 15:55 - 16:15 Plasticity in olfactory circuitry. Mating modulates olfactory tuning in Spodoptera littoralis Eduardo Hatano, Swedish University of Agricultural Sciences, Sweden 16:15 - 16:35 Associative and non-associative plasticity improves perception of the relevant components in an odor mixture Fernando Locatelli, Universidad de Buenos Aires, Argentina 16:35-16:55 Coffee Break 17:00 - 17:30 COLLOQUIUM Electrophysiological characterization of Grapholita molesta (Lepidoptera: Tortricidae) olfactory receptor neurons César Gemeno . Universidad de Lleida, Spain ORAL PRESENTATIONS II Chair: Walter Farina 17:35 - 17:50 O3 - Activation and orientation of Rhodnius prolixus males in response to odors emitted by females Marcelo Lorenzo , René Rachou Institute/FIOCRUZ, Brazil 15 17:50- 18:05 O4 - Bitter taste perception in the blood-sucking insect Rhodnius prolixus Isabel Ortega Insaurralde , Universidad de Buenos Aires, Argentina 18:05 - 18:20 O5 - Sexual Behaviour in Rhodnius prolixus (Heteroptera, Reduviidae): the role of cuticular lipids Alicia Lorenzo-Figueiras , Universidad de Buenos Aires, Argentina 18:20 - 18:35 O6 - Effects of biotic and environmental factors on the calling behaviour of virgin Pseudaletia adultera (Lepidoptera: Noctuidae) females Guillermo Rehermann , Universidad de la República, Uruguay 18:35 - 20:10 POSTER SESSION 1 20:30 – 22:00 Dinner 22:30 Social Event: “Fogón” Tuesday, December 4 08:15 - 08:50 CONFERENCE Chair: Eraldo Lima Chemical Communication Among Plants and Insects Consuelo M. De Moraes, Penn State University, USA SYMPOSIUM: “ Plant-insect and plant-plant interaction” Chair: Jorge Zavala 08:55 - 09:05 Introduction 09:05 - 09:30 Contemporary evolution of Diabrotica in the Corn Belt Jorge A. Zavala , Universidad de Buenos Aires, Argentina 09:30 - 09:55 Host selection, oviposition behavior and leaf traits of Salix spp . in a specialist willow sawfly Patricia C. Fernandez , EEA Delta del Paraná, INTA and Universidad de Buenos Aires, Argentina 09:55 - 10:20 Tritrophic interaction Telenomus podisi – Euschistus heros – soybean cultivars Mirian F. F. Michereff, Embrapa Recursos Genéticos e Biotecnologia, Brazil 16 10:20 - 10:45 Consumption of Pteridium spp and trophic transfer of allelochemicals to specialist herbivorous insects Maria Pia Calcagno , Universidad de Los Andes, Venezuela 10:45-11:05 Coffee Break 11:10 - 11:45 CONFERENCE Chair: Jorge Zavala Light regulation of plant immunity Carlos Ballare , IFEVA-CONICET, Universidad de Buenos Aires, Argentina ORAL PRESENTATIONS III Chair: Maria Pia Calcagno 11:50 - 12:05 O7 - Pyrrolizidine alkaloids (PAs) sequestered from both native and invasive Crotalaria host species provide chemical protection for the arctiid moth Utetheisa ornatrix Carlos H. Z. Martins , Unicamp, Brazil
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