Divine life stages. they have their nymph stage where they live aquatic lay feeding on other aquatic invertebrates and then towards the april time they emerge from the water as it is quite a large robust fly species that then reproduces and they lay their eggs and die off until the next generation again. we said briefly in the introduction how you went about reintroducing the species, butjust talk me through that process. to species, but ust talk me through that mess. species, but ust talk me through that mass. species, but ust talk me through that trocess. ., , ., that process. to begin with, we had ve little that process. to begin with, we had very little data. that process. to begin with, we had very little data. it that process. to begin with, we had very little data. it had that process. to begin with, we had very little data. it had never- that process. to begin with, we had very little data. it had never been . very little data. it had never been done before, there ha