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Latest Locusts Stories

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2009-12-25 07:45:00

Scientists have shown for the first time that insects, like mammals, use vision rather than touch to find footholds. They made the discovery thanks to high-speed video cameras "“ technology the BBC uses to capture its stunning wildlife footage "“ which they used to film desert locusts stepping along the rungs of a miniature ladder. The study sheds new light on insects' ability to perform complex tasks, such as visually-guided limb control, usually associated with mammals....

2009-01-30 11:02:36

Serotonin, a chemical that moderates behavior in animals, has been shown to change the aloof desert locust into partying fiends, British researchers said. The discovery, published Friday in the journal Science, could lead to methods of inhibiting the formation of locust swarms, The New York Times reported. The infestations, which can cover hundreds of square miles with the vegetation-destroying insects, ravages agriculture and costs millions to control. While earlier research found sensory...

548a23269f34e47e33d361c24b5553fc1
2009-01-29 15:19:24

Role of brain chemical on locust swarming revealed in Science Researchers have linked the radical transformation of desert locusts "“ from harmless, solitary creatures to gregarious, swarm-forming insects "“ to the common brain chemical serotonin. This discovery illuminates a mechanism within these desert locusts that initiates their switch from aversion to attraction, and may open the door to new methods of pest control. This report will be published by the journal Science on...

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2008-05-08 14:53:24

Since ancient times, locust plagues have been viewed as one of the most spectacular events in nature. In seemingly spontaneous fashion, as many as 10 billion critters can suddenly swarm the air and carpet the ground, blazing destructive paths that bring starvation and economic ruin.What makes them do it?A team of scientists led by Iain Couzin of Princeton University and including colleagues at the University of Oxford and the University of Sydney believes it may finally have an answer to this...

2005-08-11 21:25:00

Jerusalem "“ Swarms of millions of locusts have, since Biblical times and until our very own day, been considered a "plague" of major proportions, with the creatures destroying every growing thing in their path. Until now, it was thought that the directions of these swarms were predominantly directed by prevailing winds. Now, Hebrew University of Jerusalem scientists have shown that a physiological trait of these grasshoppers "“ namely their polarization vision -- provides them...


Latest Locusts Reference Libraries

Red Locust, Nomadacris septemfasciata
2013-07-10 15:41:21

The red locust (Nomadacris septemfasciata) is a species of grasshopper that is native to Sub-Saharan Africa, where it prefers to swarm moist areas like seasonal floodplains. It can be found in areas with grain, its main food source, and areas with some tree cover. Adults are typically brownish-tan in color and can reach an average body length between 2.4 and 3.3 inches depending upon the sex, with females growing larger. Young individuals of this species can vary in color depending upon which...

45_d2d039e8344b47ea334530b1b83af94e
2008-08-06 17:53:40

The Migratory Locust (Locusta migratoria), is the most widespread species of locust. It occurs throughout Africa, Asia, Australia and New Zealand. It was once very common in Europe but has now become rare there. Because of the vast geographic area it occupies, which comprises many different ecological zones, numerous subspecies have been described. However, not all experts agree on the validity of some of these subspecies. Pigmentation and size of the migratory locust vary according to its...

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Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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