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| Locusta migratoria | |
|---|---|
| Name | Locusta migratoria |
| Regnum | Animalia |
| Phylum | Arthropoda |
| Classis | Insecta |
| Ordo | Orthoptera |
| Familia | Acrididae |
| Genus | Locusta |
| Species | L. migratoria |
Locusta migratoria is a widely distributed species of migratory grasshopper known for periodic swarming behavior and major agricultural impacts. Descriptions of its morphology, life cycle, genetics, and ecological interactions appear across entomological surveys, pest-management reports, and comparative physiology studies. Research on this species intersects work by institutions and programs addressing invasive pests, crop protection, and conservation biology.
Locusta migratoria is classified within the order Orthoptera and the family Acrididae, and its taxonomic placement has been treated in revisions by entomologists associated with museums and universities such as the Natural History Museum, London, the Smithsonian Institution, and the Muséum national d'Histoire naturelle. Historical descriptions relate to Linnaean-era taxonomy and subsequent monographs influenced by authors from the Royal Entomological Society and the Entomological Society of America. Nomenclatural stability has been addressed in catalogues and checklists produced by the International Commission on Zoological Nomenclature and regional faunal surveys coordinated by the Food and Agriculture Organization.
Adult individuals exhibit the general orthopteran body plan characterized in keys maintained by the Zoological Society of London and field guides published by the British Trust for Ornithology and the Australian Museum. Morphological traits—size, coloration, wing venation, and compound eye structure—are described in comparative works alongside species treated by the National History Museum of Geneva and academic departments at universities such as University of Cambridge and University of Oxford. Diagnostic characters used in identification are cited in manuals from the European Commission phytosanitary services and entomological collections at the Muséum d'histoire naturelle de Genève.
The species has a broad Afro-Eurasian and Australasian distribution recorded in biogeographic compilations by the Global Biodiversity Information Facility, regional checklists produced by the Chinese Academy of Sciences, the Indian Council of Agricultural Research, and surveys conducted by the Commonwealth Scientific and Industrial Research Organisation. Habitats range from grasslands to croplands documented in reports by the United Nations Environment Programme and field studies affiliated with the International Rice Research Institute and the Food and Agriculture Organization. Range expansions and contractions have been monitored in collaboration with institutes such as the European Environment Agency and national agricultural ministries.
Life cycle stages—egg, nymph (instars), and adult—are described in entomological textbooks used at institutions including the University of California, Davis and the Royal Botanic Gardens, Kew. Reproductive strategies, fecundity, and seasonal voltinism are detailed in studies published by authors associated with the Max Planck Society and the Chinese Academy of Agricultural Sciences. Oviposition behavior and diapause patterns feature in extension literature issued by the United States Department of Agriculture and pest-management guides from the International Centre of Insect Physiology and Ecology.
Phase polyphenism, aggregation, and long-distance migratory swarming have been central topics in research programs at the Centre for Ecology & Hydrology, the Potsdam Institute for Climate Impact Research, and the International Panel on Climate Change-related assessments. Studies linking behavior to landscape changes, meteorological conditions, and agricultural practice involve collaborations with the European Space Agency remote-sensing teams and monitoring networks coordinated by the Food and Agriculture Organization. Observations of mass movement and outbreak dynamics are reported in regional consortia such as the African Union agricultural initiatives and national plant protection organizations.
Physiological investigations of respiration, thermoregulation, muscle function, and neurochemistry have been undertaken in laboratories affiliated with the Max Planck Institute for Chemical Ecology, Harvard University, and the Chinese Academy of Sciences. Genomic and transcriptomic resources, comparative genomics analyses, and gene-expression studies have appeared through collaborations involving the National Institutes of Health, the Wellcome Trust Sanger Institute, and university genomics cores at Peking University. Research into endocrine control of phase change and pheromonal signaling intersects work supported by agencies such as the European Research Council.
Outbreaks of the species have caused substantial crop losses documented in assessments by the Food and Agriculture Organization, the World Bank, and national agricultural departments including the Ministry of Agriculture and Rural Affairs (China), the Department of Agriculture, Fisheries and Forestry (Australia), and the United States Department of Agriculture. Management strategies reported by international research centers—such as the International Maize and Wheat Improvement Center and the International Rice Research Institute—include chemical control, biological control agents studied at the International Centre of Insect Physiology and Ecology, and integrated pest management frameworks promoted by the Food and Agriculture Organization and regional plant protection organizations. Socioeconomic analyses and disaster-response planning involving this pest are performed by institutions including the United Nations Development Programme and national food-security agencies.
Category:Acrididae