No this is not an error. The desert locusts Wikipedia says the locusts can fly 100km a day. June is four months away so that's plenty of time. https://en.m.wikipedia.org/wiki/Desert_locust
No this is not an error. The desert locusts Wikipedia says the locusts can fly 100km a day. June is four months away so that's plenty of time. https://en.m.wikipedia.org/wiki/Desert_locust