If you’re dealing with seasonal pests like mosquitoes and chafer grubs, you might be tempted to apply pesticides to your garden. But not only is that harmful to your garden – especially in the current hot, dry spell – the Royal Horticultural Society (RHS) warns it could harm your lawn’s all-important biodiversity. Instead, you might want to consider attracting predators, rather than repelling prey. Whether you want to quash mozzies with dragonflies or damselflies, lower your fly population with birds, or prevent your garden from being overrun with slugs by drawing hedgehogs in, more really does seem to be more when