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reactions 22 temperature and activity 25 humidity and activity
FOOD AND FEEDING BEHAVIOUR
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acridoids activity adults Africa appear bands behaviour body breeding changes Chapman communication continuous cover daily dense density depends described direction distribution Dociostaurus ecological effect eggs estimated evidence factors feeding females field flight flying forest further grass grasshoppers gregarious ground groups habitats habits hatching hoppers importance increase indicate individual insects instar jump known laboratory laid latter laying legs less locusts mainly male marching maturation mean Melanoplus method migrations migratory mortality move movements night Nomadacris North observed occur outbreak oviposition particularly pattern period plague plants populations possible produced rainfall range recorded Reference regarded relation relative remain responses result sand Schistocerca seasonal short shown shows similar soil solitarious South species speed stage studies suggested swarms temperature usually vegetation Waloff whole wind wings zone