Ilona, very nice dragonfly photo and the color is quiet pleasing in a soft way.   I have little trouble but do get the bite once in a while. My wife will have multiple bites while I have none!  She must be much more attractive, as must you!    She uses in the USA a deet spray, on the skin and clothing. This will work for a while.   A better answer or solution...that I am sorry not to have for you.