It could be such a wonderful summer’s day – were it not for the mosquitoes by the lake that are feasting on you. Or the bees and wasps in the meadow that will punish you if you dare go barefoot. We asked an allergist to explain what happens after we’ve been bitten or stung by an insect, and what we can do to ease the symptoms. How does the body react to insect bites or stings? Female mosquitoes bite because they need the protein in blood to develop eggs. To draw the blood freely, “they secrete saliva into the bite site containing substances that prevent clotting,” says Dr Thilo Jakob, director…