Science news articles about 'locusts'

  • What's bugging locusts?

    ... 8 online edition of Current Biology, Couzin and colleagues say that the collective motion of locusts is driven by "cannibalistic interactions." "Cannibalism is rife within marching bands of locusts ...
  • Cannibal theory for locust swarms

    Locusts swarm in such numbers because of a panicking fear they will be eaten by each other, scientists suggest.
  • VIDEO: Locust Swarms Plague Australia

    Watch as a destructive locust swarm moves across farmland in drought-ridden New South Wales state, prompting officials to prepare an airborne assault.
  • Why locusts abandon a solitary life for the swarm

    ... . Using the theory, they now show that it would be highly disadvantageous for individual locusts to continue indefinitely in a dispersed distribution as their population explodes. That's because the ...
  • Why Locusts Abandon A Solitary Life For The Swarm

    ... , researchers may have an answer to a perplexing ecological and evolutionary problem: why locusts switch from an innocuous, solitary lifestyle to form massive swarms that can devastate crops and strip ...
  • Serotonin brings locusts together

    ... be generated from a single genetic characteristic. This plasticity, or adaptability, of desert locusts is evolutionarily important, and could help the insects prepare for increased competition for ...
  • Chemical Gives Locusts A Jekyll-Hyde Jolt

    A chemical that affects people's moods also can transform easygoing desert locusts into terrifying swarms that ravage the countryside, scientists report.
  • Learning from locusts

    ... new drug therapies to address these conditions. Queen's University biologists studying the locust have found that these human disorders are linked by a brain disturbance during which nerve cells shut ...
  • Fungal pesticide saves crops from locusts

    Swarms of red locusts in Tanzania have been destroyed by the application of a biopesticide containing fungal spores.
  • With an Eye on Locusts and Vegetation, Scientists Make a Good Tool Better

    (PhysOrg.com) -- Locusts, the grasshopper-like insects of Biblical lore, are normally docile creatures that prefer solitary lives in the desert, away from other members of their species. But sometimes ...
  • A biomimetic jumping microrobot

    ... of remote areas on Earth or on other planets." Small jumping animals such as fleas, locusts, grasshoppers and frogs use elastic storage mechanisms to slowly charge and quickly release their jumping ...
  • Is it too late to save the great migrations?

    ... while migrating to and from their breeding grounds, and some 12.5 trillion Rocky Mountain locusts crowded an area exceeding the size of California. The subject of great migrations—lost and still to be ...
  • Sesame seed extract and konjac gum may help ward off Salmonella and E. coli

    ... food-related products including coffee beans, carrot, mango, fermented soya, and food stabilizers such as locust bean gum and konjac gum. All were subjected to in-vitro exposure to various bacteria ...
  • Is It Too Late To Save The Great Migrations?

    ... while migrating to and from their breeding grounds, and some 12.5 trillion Rocky Mountain locusts crowded an area exceeding the size of California. The subject of great migrations -- lost and still to ...
  • Significant increase in alien plants in Europe

    ... are Canadian fleabane (Conyza canadensis), Jerusalem artichoke (Helianthus tuberosus) and black locust or false acacia (Robinia pseudoacacia), which all originated in North America. More than three- ...

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