It seemed a good idea to go through the local lanes blackberrying with friends in Normandy. Due to the dry weather a lot of the berries were quite small, but there were plenty if you could reach, and we got enough to make a few jars of jam.
Wearing T-shirt tucked into long trousers, there did not seem too much danger of insect bites. But then a day or two later came an insane level of itching around ankles, thighs and waist, and the discovery of 36 ‘bites’. Our friends thought they were from local spiders, but subsequent research suggests that they were bites from chiggers, or harvest mites, or aoutats in France (August pests).
I was not really aware of these pests. See the above Wikipedia entry. The larval stage of the lifecycle of this mite is of size about 0.007inch, so hardly visible to the naked eye. Once on you they can come and go as they please! They burrow down and eat the inner skin, and can cause skin rashes, blisters etc. Two of mine blistered and took ages to heal.
Well worth being aware of these little pests, and beware those tempting blackberries in an area you’re not familiar with!