Huge swarms on scales that had not been seen in decades were reported last year in East Africa, parts of the Arabian Peninsula, Iran, Iraq, Pakistan and India.
India, which is battling its worst desert locust outbreak in decades, is using specialist vehicles and fire engines to spray insecticides in at least seven populous states across the country.
According to a 1962 study, based on an estimated count from two orchards in Hancock, Maryland, as many as 1.5 million cicadas can appear and cover "around one acre of ground" during their emergence.
While no swarms are currently expected to impact Israel, Jordan is considered "threatened" , according to a forecast map by the Food and Agriculture Organization.
Desert locusts had attacked more than 200,000 hectares (494,000 acres) of orchards and farmland in seven of Iran's 31 provinces
The swarms represent “an unprecedented threat to food security,” according to the Locust Watch website.
'The density of locusts in the swarms is so high that a 10 to 15-centimeter layer of dead locusts forms on the ground after spraying pesticides.'
Ducks have been used in the past in China to devour crop-ravaging locusts.
One swarm in Kenya was three times the size of New York City; the number of locusts could multiply 400-fold by June if not treated, according to reports.