Ruud Kleinpaste runs through a few things to keep an eye out for in the garden at this time of year: Powdery Mildew, caterpillars.

This flesh-eating fly, known as the lucille moth, is wreaking havoc on the American continent, particularly in South America.

But why do flies hang around us? The reason depends on the species of insect, experts say. "For a certain group of them, they ...