Damsel flies usually appear between May to August when the nymphs can often provoke a rise as they swim towards any bank side vegetation to emerge as an adult. During the early part of the season the immature nymphs will be deeper in the water amongst the weed, well camouflaged from their predators. This is where the addition of a gold bead helps to get the fly a bit deeper and the glint of the gold head can act as an attractor. Read More