New Strategies in Locust Control

Biology of desert locust and research priorities.- Evaluating recent locust research.- Ecology of Schistocerca gregaria (Forskål): observations in West Africa from 1990 to 1994.- Forecasting and modeling.- Desert locust forecasters’ GIS: a researchers’ view.- Swarms: A geographic information system for desert locust forecasting.- Mapping of desert locust habitats using remote sensing techniques.- Vertical-looking radar as a means to improve forecasting and control of desert locusts.- Forecasting the early-season eclosion of Oedaleus senegalensis in the Sahel: the role of remotely sensed rainfall data.- Biotic and abiotic factors affecting the population dynamics of the Senegalese grasshopper, Oedaleus senegalensis.- Modelling brown locust outbreaks in relation to rainfall and temperature.- Metapopulations of locusts and grasshoppers: spatial structures, their dynamics and early warning systems.- Forecasting seasonal dynamics of the Asiatic migratory locust using the Locusta migratoria migratoria — Phragmites australis forecasting system.- Forecasting and modelling: Poster contributions.- The SGR biomodel: a synoptic model for surveillance and early warning specific to the desert locust over the whole of its distribution habitat.- Anti-locust early warning systems: recent experiences from eastern Africa.- Forecasting and modelling: Working group.- Results and recommendations of the working group Forecasting and modeling.- Control agents and methods.- Overview and challenges of new control agents.- Field investigations on Schistocerca gregaria (Forskål) adults, hoppers and hopper bands.- Persistence of benzoylphenylureas in the control of the migratory locust Locusta migratoria capito (Sauss.) in Madagascar.- Evaluation of insect growth regulators for the control of the African migratory locust, Locusta migratoria migratorioides (R. & F.), in Central Africa.- Field application of the juvenile hormone analogue fenoxycarb against hopper bands of Lacusta migratoria capito in Madagascar.- Locust Control with Metarhizium flavoviride: New approaches in the development of a biopreparation based on blastospores.- Metarhizium flavoviride: recent results in the control of locusts and grasshoppers.- Small-scale field trials with enlomopathogenic fungi against Locusta migratoria capito in Madagascar and Oedaleus senegalensis in Cape Verde.- Development of a mycoinsccticide for the Australian plague locust.- Melia volkensii: a natural insecticide against desert locusts.- Potential for Melia volkensii fruit extract in the control of locusts.- Field trials with neem oil and Melia volkensii extracts on Schistocerca gregaria.- Locust control by means of selective baiting.- Neurotransmitter-receptors as targets for new insecticides.- Control agents and methods: Poster contributions.- Mass production of Metarhizium flavoviride in submerged culture using waste products.- Field trails conducted on a biopesticide (Metarhizium flavoviride) for grasshopper control in Mali from 1992 to 1994.- LUBILOSA: a Joint Project for the biological control of locusts and grasshoppers in the Sahel.- Application of an oil-based formulation containing spores of an entomopathogenic fungus, Metarhizium flavoviride, against grasshoppers.- Biocontrol of locusts in Madagascar: developing indigenous pathogens.- Preliminary investigations on the combination of Metarhizium flavoviride blastospores with botanicals (neem, Melia volkensii) for biological locust control.- Sorosporella sp., a fungal pathogen of the migratory locust, Locusta migratoria capito, in Madagascar.- The problem of a replacement for dieldrin.- Locust control with deltamethrin.- Carbosulfan, an effective new product for locust control.- Staurorhectus longicornis (Giglio Tos), a recently appearing pest species on pastures in the dry Chaco of Paraguay and semi-field tests for its control.- Mechanical control of the desert locust Schistocerca gregaria (Forskål, 1775).- Control agents and methods: Working groups.- Results and recommendations of the working group Control agents and Methods.- Results and recommendations of the working group Control agents and methods.- Chemoecology and semiochemicals.- Chemoecological studies reveal causes for increased population densities of Zonocerus (Orth.: Pyrgomorphidae) and offer new means for management.- Attraction and diurnal behaviour of the African pest grasshopper, Zonocerus variegatus (L.), at oviposition Sites.- Potential for the use of semiochemicals against Locusta migratoria migratorioides (R. & F.).- Alternative Strategy and tactics for the management of the desert locust, Schistocerca gregaria (Forsk.).- Pheromones in Schistocerca gregaria (Forsk.): the present situation.- Chemoecology and semiocheniicals: Poster contribution.- Electrophysiological studies of Schistocerca gregaria (Forsk.) with volatile compounds.- Environmental impact.- Environmental effects of locust control: state of the art and perspectives.- Side-effects of locust control on beneficiai arthropods: research approaches used by the Locustox project in Senegal.- Side-effects of the insect growth regulator triflumuron on spiders.- Side-effects of insecticides on non-target arthropods in Burkina Faso.- Susceptibility of target acridoids and non-target organisms to Metarhizium anisopliae and M. flavoviride.- Effects of anti-locust insecticides in surface waters in the Sahel: a summary of five years of research.- Environmental impact: Poster contributions.- Diflubenzuron and locust control in south-western Madagascar: relative abundance of non-target invertebrates following barrier treatment.- Impact of deltamethnn on the parasitic locust fly, Wohlfahrtia pachytyli.- The dissipation of certain insecticides in the environment of the Sahel.- Environmental impact: Working group.- Results and recommendations of the working group Environmental impact.- Economics of locust control and crop loss assessment.- Economics of desert locust control.- Yield losses on pearl millet panicles due to grasshoppers: a new assessment method.- Comparison of the costs of barrier and blanket treatments using insect growth regulators in Madagascar.- Economics and practicalities of migratory locust hopper band control using barriers of insect growth regulator.- Management strategies.- Desert locust control strategies.- Can we prevent desert locust plagues?.- Proaction: strategic framework for today’s reality.- Towards an integrated strategy for the control of the desert locust.- Control of the desert locust: strategy, organisation and means.- Strategy for controlling the desert locust in Mauritania.- Grasshopper control in Siberia: strategies and perspectives.- Management strategies: Poster contribution.- A new approach to the control of Rhammatocerus schistocercoides (Rehn, 1906) in Brazil.- Management strategics: Working groups.- Results and recommendations of the working group Management strategics.- Results and recommendations of the working group Management strategies.