13th Annual Meeting of the
International Society of Chemical Ecology

ISCE, Meetings.

18-22 August 1996 Prague, Czech Republic

Abstracts of Oral and Poster Presentations

Symposium 1: Physiology and mode of action of semiochemicals

Aspects of mechanisms of signal transduction and receptor binding. Formation and degradation of semiochemical-carrier binding.

  1. Hildebrand John: Neural processing of semiochemical information in moths.
  2. Kaissling Karl Ernst: Transduction and odor deactivation in moth pheromone receptors.
  3. Vogt Richard: Spatial and temporal expression pattern of olfactory genes in moth antennae
  4. Adayeye Olusola A.: Allelochemical perturbation of catecholamine metabolism in Helicoverpa zea
  5. Almeas Tor J.: Functional subdivision of the macroglomerular complex in different heliothine moth.
  6. Cambillau Christian: X-Ray structure of bovine odorant binding protein (OBP).
  7. Clement Jean-Luc.: Role of short and long range chemical signals in the three phases of the cycle of the parasitoid Diglyphus isaea
  8. Clement Jean-Luc: Phosphorylation in cockroach antennal proteins during transduction of olfactory messages.
  9. Heifetz Yael: Gregarious behaviour in locust nymphs is initiated by cuticular hydrocarbons and mediated by endocrine peptides.
  10. Jacquin-Joly Emmanuelle: Regulation of pheromone production in insects: Study of PBAN involvement in Lepidoptera and other orders.
  11. Leat Walter Soares: Can the pheromone binding proteins of scarab beetles distinguish enantiomers?
  12. Nagnan-Le Meillour Patricia: Structure and function relationships in insect odorant binding proteins: Ligand specificity and role in odor discrimination.
  13. Ochieng Samuel A.: Single antennal receptor neuron responses in the solitarious desert locust, Schistocerca gregaria (Orthoptera: Acrididae) to aggregation pheromone complex.

Symposium 2: Chemically mediated interactions within and among trophic levels

Chemistry and ecological significance of semiochemicals mediating interactions between organisms.

  1. Hartmann Thomas: Ecochemical functions of plant secondary metabolism: a mechanistic view.
  2. Pickett John A.: Novel roles and structures for isoprenoid semiochemicals.
  3. Turlings Ted C. J.: Chemical communication in tritrophic level interactions: how herbivore-damaged plants attract parasitic wasps.
  4. Vet Louise E. M.: The role of semiochemicals in tritrophic interactions: variability in stimulus and response.
  5. Andersson Susanna M: Nectar search in Aglais urticae (Nymphalidae, Lepidoptera) as a response to flower scent.
  6. Bagneres Anne-Genevieve: Chemical usurpation: A step by step strategy used by paper wasp parasite to control a nest.
  7. Bergman Peter: Chemical communication in bumblebee premating behaviour.
  8. Blum Murray S.: The ecological significance of mandibular gland and sting shaft derived compounds of honey bees.
  9. Boeve Jean-Luc: Sequestration of a large variety of toxic secondary plant metabolites by closely related sawfly species.
  10. Borg-Karlson Anna-Karin: Relative amounts and enantiomeric compositions of monoterpenes in different tissues of Picea abies and Pinus sylvestris.
  11. Byers John A.: Evolution of semiochemical systems for avoiding competition among spruce bark beetles (Coleoptera: Scolytidae).
  12. Degen Thomas: Oviposition stimulants in the leaf surface of various host plants and antixenosis resistance against the carrot fly.
  13. Dobler Susanne: Chemical defense in Chrysochus leaf beetles.
  14. Dunkelblum Ezra: Kairomonal response of Elatophilus hebraicus to Matsucoccus pheromones.
  15. Fuentes-Contreras Eduardo: Behavioural responses of parasitised and healthy Sitobion avenae to odours from S. avenae colonies and the hyperparasitoid Alloxysta victrix.
  16. Gianoli Ernesto: Costs of induced defenses in a wild wheat. Integration of physiological and ecological approaches.
  17. Hagele Bernd F.: Genetically based variation and influence of light on sesquiterpene, pyrrolizidine alkaloid, and nitrogen content of leaves of Adenostyles alliariae and A. alpine (Asteraceae).
  18. Harrewijn Paul: The effects of natural terpenoids on behaviour and host plant acceptance of aphids.
  19. Hilker Monika: Chemo-ecological comparison of allopatric populations of Chrysomela lapponica (Coleoptera, Chrysomelidae).
  20. Krips Olga E: How a tritrophic interaction varies with plant cultivar: Host-plant resistance, predator population increase and herbivore-induced synomones.
  21. Micha Stephan G.: Orientation of the aphid parasitoid Aphidius uzbekistanicus (Hymenoptera: Braconidae) towards kairomones derived from their aphid hosts and synomones from the hosts' plants.
  22. Ossipov Vladimir: Biochemical basis of birch-insect relationships.
  23. Reinhard Judith: How termites make their food tasty: A feeding stimulating signal in the labial gland secretion of Reticulitemmes santonensis Sjostedt (Isoptera: Rhinotermitidae)
  24. Renwick J. Alan A.: Deterrency and toxicity of crucifers to larvae of cabbage bufferflies (Pieris spp.).
  25. Rochat Didier: Identification and field activity of the aggregation pheromone of Metamasius hemipterus, (Coleoptera: Curculionidae)
  26. Rose Ursula S.R.: A systemic response of coffon plants to caterpillar damage: Release of volatile attractans for parasitic wasps by undamaged leaves.
  27. Schulz Stefan: Chemical defense of springtails.
  28. Steidle Johannes L.M.: Function, chemistry and evolution of the abdominal gland secretion of the rove beetle genus Bledius (Coleoptera: Staphylinidae: Oxytelinae).
  29. Stevenson Philip C.: Phytochemical studies of wild species of chickpea (Cicer L): Ecological significance and value in fungal resistance.
  30. Targett Nancy: The effect of herbivore gut characteristics on plant assimilation efficiencies: Marine and terrestrial comparisons
  31. Tomaschko Karl-H.: Ecdysteroids as interspecific allelochemicals in marine arthropods.
  32. Valterova Irena: Components of the labial secretions of bumblebees and cockoo bumblebees.
  33. Van Helden Maarten: Aphid resistance in leffuce: The isolation of allomones from phloem sap

Symposium 3: Biochemistry of secondary metabolites

Aspects of biosynthesis, translocation and storage of secondary compounds discussed in relation to their role in intra- and interspecific chemical reactions.

  1. Boland Wilhelm- Biosynthesis of iridoids in leaf beetle larvae
  2. Daloze Desiré- Biosynthetic studies of insect alkaloids.
  3. Savage Thomas J.- Conifer oleoresin: biochemistry and bark beetle chemical ecology.
  4. Attygalle Athula B.- Biosynthesis of defensive secretions of beetles.
  5. Ivarsson Per - In vitro biosynthesis of pheromone precursors from radiolabelled acetate in Ips pini (Say) and Ips paraconfusus Lanier (Coleoptera: Scolytidae).
  6. Konno Kotaro - Glycine in digestive juice: A novel strategy of insects against chemical defense of host plants.
  7. Leal Walter Soares - Sex pheromone biosynthesis in scarab beetles (Coloptera, Scarabaeidae).
  8. Oldham Neil J. - Biosynthesis of defensive allomones in leaf beetle larvae: Stereochemistry of salicylalcohol oxidation in Phratora vitellinae and comparison of enzyme substrate and stereospecificity with alcohol oxidases from several iridoid producing leaf beetles.
  9. Seybold Steven J. - De novo biosynthesis of the aggregation pheromone components ipsenol and ipsdienol by the pine bark beetles, Ips paraconfusus Lanier and Ips pini (Say) (Coleoptera: Scolytidae).
  10. Wicker-Thomas Claude - Some aspects of pheromone bioynthesis and regulation in Drosophila melanogaster.

Symposium 4: Practical application of semiochemicals

Current status, recent breakthroughs and future direction in commercial application of semiochemicals.

  1. Arn Heinrich- 30 years of wormy apple and not a moth in sight.
  2. Daterman Gary- Semiochemical applications in North American forestry.
  3. Hirsch Philipp- Old wine in new skins: are we breaking through the glass ceiling in pheromone commercialization?
  4. Witzgall Peter- Mating disruption by blends of sex pheromone and attraction antagonists.
  5. Baker Thomas C. - A novel controlled-release device for disrupting sex pheromone communicaton in moths.
  6. Boo Kyung Saeng - Sex attractant of the apple leaf miner, Phyllonorycter ringoniella Matsumura.
  7. Eiras Alvaro E. - Identification of the sex pheromone of the leaf roller, Bonagota granaodes (M.) (Lepidoptera: Tortricidae).
  8. Gries Gerhard - Recent identifications of insect chemical communication systems.
  9. McNair Crawford N. -Learning the chemical language of the cherry bark tortrix- and how to talk back.
  10. McNeil Jeremy N. - Are age specific changes in pheromone titre of virgins important in the reproductive success of true armyworm females?
  11. Millar Jocelyn G. - Female-produced sex pheromone of the plant bug Phytocoris relativus (Hemiptera: Miridae).
  12. Minks Albert K. - Mating disruption of noctuid moths in greenhouses.
  13. Oehlschlager A. C. - Operational use of pheromones of insect pests of tropical tree crops.
  14. Schlyter Fredrik - Peak and width of response of Ips duplicatus to ratios of pheromone components in east and west palearctic: Field trapping and non-linear regression.
  15. Ujváry István - Analogues of semiochemicals: Scientific fancy or practical potential?
  16. Vrkoc Jan - Application of semiochemicals for management of bark beetles: Current status, research, and development.
  17. Zhang Zhong-ning - Field control of cotton ballworm (Helicoverpa armigera H.) by using sex pheromones.

General Topics of Chemical Ecology

  1. Applebaum Shalom W. - Pheromonal control of behavioural phase transition in locusts.
  2. Hardege Jörg D. - Chemical signaling in marine polychaetes: Structure and function of homo- and heterospecific sex pheromones.
  3. Hefetz Abraham - Postpharyngeal gland secretion as a modifier of aggressive behavior in mixed species groups of Manica rubida and Formica selysi.
  4. Högberg Hans-Erik - Pheromones of pine sawflies. Structures, syntheses and applications.
  5. Kuwahara Yasumasa - General feature of opisthonotal gland secretions among astigmatid mites.
  6. Leal Walter Soares - Identification of (R,Z)-7, 15- hexadecadien-4-olide as a sex pheromone for the yellowish elongate chafer, Heptophylla picea (Coleoptera, Scarabaeidae, Melolonthinae).
  7. Müller-Schwarze Dietland - Chemical communication in beaver, Castor canadensis: A synopsis.
  8. Svensson Mats - Individual sex pheromone response differences in male Agrotis segetum moths (Lepidoptera: Noctuidae).
  9. Szöcs Gábor - Homologous polyenic hydrocarbons in the sex pheromones of winter geometrids (Lepidoptera).
  10. Ubik Karel - Collision-induced mass spectrometry in the elucidation structure of natural products.
  11. Zeeck Erich - Oligopeptide and purines: Sex pheromones in marine polychaetes.