New Strategies in Locust Control

Front Matter....Pages I-XV
Front Matter....Pages 1-1
Evaluating recent locust research....Pages 3-8
Ecology of Schistocerca gregaria (Forskål): observations in West Africa from 1990 to 1994....Pages 9-17
Front Matter....Pages 19-19
Desert locust forecasters’ GIS: a researchers’ view....Pages 21-26
SWARMS: A geographic information system for desert locust forecasting....Pages 27-35
Mapping of desert locust habitats using remote sensing techniques....Pages 37-45
Vertical-looking radar as a means to improve forecasting and control of desert locusts....Pages 47-54
Forecasting the early-season eclosion of Oedaleus senegalensis in the Sahel: the role of remotely sensed rainfall data....Pages 55-61
Biotic and abiotic factors affecting the population dynamics of the Senegalese grasshopper, Oedaleus senegalensis ....Pages 63-67
Modelling brown locust outbreaks in relation to rainfall and temperature....Pages 69-74
Metapopulations of locusts and grasshoppers: spatial structures, their dynamics and early warning systems....Pages 75-80
Forecasting seasonal dynamics of the Asiatic migratory locust using the Locusta migratoria migratoria — Phragmites australis forecasting system....Pages 81-89
Front Matter....Pages 91-91
The SGR biomodel: a synoptic model for surveillance and early warning specific to the desert locust over the whole of its distribution habitat....Pages 93-93
Anti-locust early warning systems: recent experiences from eastern Africa....Pages 95-96
Front Matter....Pages 97-97
Results and recommendations of the working group Forecasting and modelling ....Pages 99-101
Front Matter....Pages 103-103
Overview and challenges of new control agents....Pages 105-115
Field investigations on Schistocerca gregaria (Forskål) adults, hoppers and hopper bands....Pages 117-128
Persistence of benzoylphenylureas in the control of the migratory locust Locusta migratoria capito (Sauss.) in Madagascar....Pages 129-136
Evaluation of insect growth regulators for the control of the African migratory locust, Locusta migratoria migratorioides (R. & F.), in Central Africa....Pages 137-142
Field application of the juvenile hormone analogue fenoxycarb against hopper bands of Locusta migratoria capito in Madagascar....Pages 143-150
Locust control with Metarhizium flavoviride : New approaches in the development of a biopreparation based on blastospores....Pages 151-158
Front Matter....Pages 103-103
 Metarhizium Flavoviride : recent results in the control of locusts and grasshoppers....Pages 159-169
Small-scale field trials with entomopathogenic fungi against Locusta migratoria capito in Madagascar and Oedaleus senegalensis in Cape Verde....Pages 171-176
Development of a mycoinsecticide for the Australian plague locust....Pages 177-183
 Melia volkensii : a natural insecticide against desert locusts....Pages 185-191
Potential for Melia volkensii fruit extract in the control of locusts....Pages 193-200
Field trials with neem oil and Melia volkensii extracts on Schistocerca gregaria ....Pages 201-207
Locust control by means of selective baiting....Pages 209-217
Neurotransmitter-receptors as targets for new insecticides....Pages 219-223
Front Matter....Pages 225-225
Mass production of Metarhizium flavoviride in submerged culture using waste products....Pages 227-229
Field trails conductcd on a biopesticide ( Metarhizium flavoviride ) for grasshopper control in Mali from 1992 to 1994....Pages 231-231
LUBILOSA: a joint project for the biological control of locusts and grasshoppers in the Sahel....Pages 233-234
Application of an oil-based formulation containing spores of an entomopathogenic fungus, Metarhizium flavoviride , against grasshoppers in the Sahel....Pages 235-236
Biocontrol of locusts in Madagascar: developing indigenous pathogens....Pages 237-237
Preliminary investigations on the combination of Metarhizium flavoviride blastospores with botanicals (neem, Melia volkensii ) for biological locust control....Pages 239-241
 Sorosporella sp., a fungal pathogen of the migratory locust, Locusta migratoria capito , in Madagascar....Pages 243-245
The problem of a replacement for dieldrin....Pages 247-247
Locust control with deltamethrin....Pages 249-250
Carbosulfan, an effective new product for locust control....Pages 251-251
 Staurorhectus longicornis (Giglio Tos), a recently appearing pest species on pastures in the dry Chaco of Paraguay and semi-field tests for its control....Pages 253-254
Mechanical control of the desert locust Schistocerca gregaria (Forskål, 1775)....Pages 255-256
Front Matter....Pages 257-257
Results and recommendations of the working group Control agents and methods ....Pages 259-261
Results and recommendations of the working group Control agents and methods ....Pages 263-264
Front Matter....Pages 265-265
Chemoecological studies reveal causes for increased population densities of Zonocerus (Orth.: Pyrgomorphidae) and offer new means for management....Pages 267-281
Attraction and diurnal behaviour of the African pest grasshopper, Zonocerus variegatus (L.), at oviposition sites....Pages 283-291
Potential for the use of semiochemicals against Locusta migratoria migratorioides (R. & F.)....Pages 293-303
Alternative strategy and tactics for the management of the desert locust, Schistocerca gregaria (Forsk.)....Pages 305-312
Pheromones in Schistocerca gregaria (Forsk.): the present situation....Pages 313-321
Front Matter....Pages 323-323
Electrophysiological studies of Schistocerca gregaria (Forsk.) with volatile compounds....Pages 325-327
Front Matter....Pages 329-329
Environmental effects of locust control: state of the art and perspectives....Pages 331-336
Side-effects of locust control on beneficial arthropods: research approaches used by the Locustox project in Senegal....Pages 337-344
Side-effects of the insect growth regulator triflumuron on spiders....Pages 345-359
Side-effects of insecticides on non-target arthropods in Burkina Faso....Pages 361-367
Susceptibility of target acridoids and non-target organisms to Metarhizium anisopliae and M. flavoviride ....Pages 369-375
Effects of anti-locust insecticides in surface waters in the Sahel: a summary of five years of research....Pages 377-382
Front Matter....Pages 383-383
Diflubenzuron and locust control in south-western Madagascar: relative abundance of non-target invertebrates following barrier treatment....Pages 385-387
Impact of deltamethrin on the parasitic locust fly, Wohlfahrtia pachytyli ....Pages 389-390
The dissipation of certain insecticides in the environment of the Sahel....Pages 391-392
Front Matter....Pages 393-393
Results and recommendations of the working group Environmental impact ....Pages 395-397
Front Matter....Pages 399-399
Economics of desert locust control....Pages 401-413
Yield losses on pearl millet panicles due to grasshoppers: a new assessment method....Pages 415-423
Front Matter....Pages 399-399
Comparison of the costs of barrier and blanket treatments using insect growth regulators in Madagascar....Pages 425-432
Economics and practicalities of migratory locust hopper band control using barriers of insect growth regulator....Pages 433-442
Front Matter....Pages 399-399
Desert locust control strategies....Pages 445-452
Can we prevent desert locust plagues?....Pages 453-459
Proaction: strategic framework for today’s reality....Pages 461-465
Towards an integrated strategy for the control of the desert locust....Pages 467-473
Control of the desert locust: strategy, organisation and means....Pages 475-485
Strategy for controlling the desert locust in Mauritania....Pages 487-491
Grasshopper Control in Siberia: strategies and perspectives....Pages 493-502
Front Matter....Pages 503-503
A new approach to the control of Rhammatocerus schistocercoides (Rehn, 1906) in Brazil....Pages 505-506
Front Matter....Pages 507-507
Results and recommendations of the working group Management strategies ....Pages 509-513
Results and recommendations of the working group Management strategies ....Pages 515-517
Back Matter....Pages 518-522