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After 73 years, a plague of locusts invaded Corrientes

As if that were not enough, in the midst of this abnormal context that the world lives, a sleeve of lobsters, between 10 and 15 square kilometers in length, has been occupying the south of Currents. It has been 73 years since there was a case of this magnitude in the area, although it also concerns Brazil, Uruguay and neighboring districts.

Senasa, for the tranquility of the inhabitants, believes that it can control the plague, which in the event of dispersing calmly, can cause major socio-economic damage. Still, since it is not carnivorous, it does not affect humans or animals.

“The advance of the plague towards areas where it was not in recent years, such as Corrientes, has taken on a lot of relevance,” said Héctor Medina, coordinator of the organism’s National Lobster and Turtle Program, in the talk “Lobsters: A plague with a lot of history”.

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It is estimated that, in the midst of the desolation caused by the preventive quarantine, insects such as locusts have advanced over the territories that were previously controlled, reproducing on a large scale.

Medina recalled that “the first record that exists of the plague is from 1538, when it caused damage to cassava crops in the province of Buenos Aires; in 1812, during the battle of Tucumán, it contributed to the army led by Belgrano defeating the Spanish , and until 1954 it wreaked havoc on a recurring basis. “

Although for the year 2015 the plague re-emerged strongly in Argentina, extending until 2016 and advancing to Bolivia and Paraguay: “This year we have a new invasion but the novelty is that it advanced to the east of the country, something that had not happened for a long time , after 73 years he arrived in Corrientes, after moving more than a thousand kilometers in a month and crossing the Paraná, “the specialist explained.

Of course, due to proximity issues, when entering Corrientes, the alarm went off in neighboring countries, Brazil and Uruguay. In addition, Medina assured that it is “difficult to know where the plague is going, if it is going to enter Brazil, Uruguay or Entre Ríos”, although he stressed that “if it happened it would not be new, in 1930 and 1940 it was very common for this to happen “

In the framework of a talk that is part of the cycle of virtual seminars organized by Senasa with the support of IICA in Argentina, the specialist said that “this plague – the one with the greatest impact on the agricultural sector – in the past reached the Argentine Patagonia, and from there it went to Chile. “

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For its part, the pest feeds on any plant material, it can damage pastures and grasslands, but also other crops, in a few minutes it can do very important damage, due to its great ability to devastate.

For this, he exemplified that an adult locust can eat its weight in one day and in a 1 square kilometer sleeve there are about 40 million insects, which consume the daily food of 2,000 cows.

In addition, to its great voracity is added its migratory capacity, which allows it to travel up to 150 kilometers in a day, depending on temperature and winds, which meant that in one month it will arrive from the Chaco-Formosa border to Reconquista (Santa Fe) and in two days it will travel 250 kilometers. A true plague.

In addition to having no one to control the pest, the conditions are in place for it to develop: benign climate and good rainfall, and instead of having two generations it has three cycles that usually last between eight and 15 years, until a decline occurs. of populations when there are droughts.

Medina, after highlighting that it is “a plague of high economic, social and political impact, rural but that usually passes through towns and cities,” said that the locust “only feeds on vegetables, does not affect human or animal health, or it is a direct risk for the human being “.

Now, it is vitally important to carry out monitoring and surveillance of the pest, in order to control it before it causes irreparable damage to society. Eating their crops or leaving the cows without food.

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