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For the migratory locust, the switch is caused by population density.
They are closely related to the migratory locusts of the Old World.
In the migratory locusts, there are distinct long and short-winged forms.
Since then, environmental transformations have made the development of swarms from the African migratory locust unlikely.
The colour and size of the migratory locust changes according to its phase and its age.
The desert locust, which is very similar to the African migratory locust, remains a major threat too.
The migratory locust is the best-known example.
An international scientific seminar on the migratory locust was organized in Dakar from 11 to 13 January.
Conversely the migratory locust may be said to be broadly oligophagous or even polyphagous.
The migratory locust and desert locust have been serious threats to African economies and human welfare.
The Malagasy migratory locust (L. m. capito) still regularly swarms (roughly twice every ten years).
Migratory locust (Locusta migratoria)
The migratory locust (Locusta migratoria) ranges from Europe to China, and even small swarms may cover several square miles, and weigh thousands of tons.
In 2012, Madagascar had an upsurge in the size of its Malagasy migratory locust (Locusta migratoria capito) populations.
In the migratory locust (Locusta migratoria), the presence of an egg in the genital chamber results in an increase of spermathecal contractions.
Tegmina do not play a major active, flapping role in flying, though they are aerodynamically significant in insects such as migratory locusts that fly vigorously for long distances.
The migratory locust (Locusta migratoria) is the most widespread locust species, and the only species in the genus Locusta.
One interesting find was a specimen of the migratory locust figured in John Curtis British Entomology- Folio 608 Locusta christii dated 1 August 1836.
While corazonins found in crickets and moths have no effect on body colour of the crickets or moths themselves, they can cause dark pigmentation in albino nymphs of the migratory locust (Locusta migratoria).
War and natural disasters that affected the eastern and southern parts of today's Austria hardly ever spared the Sulm valley, with the probable exception of migratory locusts of which there is no local record, even during times when other parts of Styria suffered severely.
In the Book of Nahum, the arbeh is poetically described as camping in hedges in cold days, but flying off into the far distance when the sun arises; for this reason, a number of scholars have suggested that the arbeh must actually be the migratory locust.
The Australian Plague Locust Commission (APLC) is a division of the Australian Department of Agriculture, Fisheries and Forestry, created in 1974 to manage outbreaks of the Australian plague locust, spur-throated locust and migratory locust in eastern Australia.
Migratory locusts: the FAO recommends the countries of Western and North-Western Africa (Mali, Senegal, Mauritania, Gambia, Guinea-Bissau, Morocco, Algeria) to continue the fight against the migratory locusts and to remain vigilant in spite of the recent improvements.
Migratory locust (Locusta migratoria)
If Gryllus migratorius is moved to the genus Locusta, it becomes Locusta migratoria.
The migratory locust (Locusta migratoria) ranges from Europe to China, and even small swarms may cover several square miles, and weigh thousands of tons.
In 2012, Madagascar had an upsurge in the size of its Malagasy migratory locust (Locusta migratoria capito) populations.
In the migratory locust (Locusta migratoria), the presence of an egg in the genital chamber results in an increase of spermathecal contractions.
The migratory locust (Locusta migratoria) is the most widespread locust species, and the only species in the genus Locusta.
While corazonins found in crickets and moths have no effect on body colour of the crickets or moths themselves, they can cause dark pigmentation in albino nymphs of the migratory locust (Locusta migratoria).