The FAO has recommended the use of a fungus called Metarhizium anisopliae, which kills locusts by growing inside their bodies. It is cheaper than other methods, more effective, longer-lasting in the deserts, easier to store and is recommended for use before the nymphs begin to fly.
Is it bad to kill locusts?
Research showed that these locusts contained chemical residues, including phosphorous. This is highly toxic to humans. ... Locusts that have been killed by pesticides should under no circumstances be consumed, because they may still contain traces of pesticides.
Should we wipe out locusts?
Critically, humanity shouldn't endeavor to completely wipe out locust swarms, just because their populations can explode. After all, locust swarms are wild, natural phenomena. Attempting to eliminate the insects, even if that were possible, could have unforeseen, cascading environmental consequences.