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The desert locust is a species of orthopteran in the family Acrididae, subfamily Cyrtacanthacridinae. [2] There are two subspecies, one called Schistocerca gregaria gregaria, the better known and of huge economic importance, located north of the equator, and the other, Schistocerca gregaria flaviventris, [9] [10] which has a smaller range in south-west Africa and is of less economic importance ...
The increase in Desert Locust breeding activity was noted in the United Nations Food and Agriculture Organization (FAO) Desert Locust Bulletins [1] in the autumn of 2003 when four unrelated outbreaks occurred simultaneously in Mauritania, Mali, Niger and Sudan.
It includes species of locusts, short-horned grasshoppers that undergo phase polymorphism and are among the most important pests of sub-Saharan Africa; [4] they include the desert locust and the red locust, [3] with the related Bombay locust in Asia. [5]
The desert locust infestation in Ethiopia has deteriorated, despite ongoing ground and aerial control operations. Hoppers have fledged, and an increasing number of small immature and mature swarms have continued to devour crop and pasture fields in Tigray , Amhara , Oromia , and Somali regional states.
The desert locust is potentially the most dangerous of the locust pests because of the ability of swarms to fly rapidly across great distances. The 2004 desert locust outbreak has caused significant crop losses in West Africa and had a negative impact on food security in the region.
In the desert locust and the migratory locust, for example, the gregaria nymphs become darker with strongly contrasting yellow and black markings, they grow larger, and have a longer nymphal period; the adults are larger with different body proportions, less sexual dimorphism, and higher metabolic rates; they mature more rapidly and start ...
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Schistocerca cancellata is a species of locust in the subfamily Cyrtacanthacridinae. [1] It is the major swarming species in subtropical South America. This species shows typical locust phase polymorphism. Solitarious nymphs are green, but gregarious ones are yellow with a black pattern.