a Entries are provisional pending further study from habitats over a range of latitudes. Sources (unless specified) as listed elsewhere.⁵¹ Type 1 species often feature a small Type 2 component, although in a Scottish population of Aeshna caerulea neither component appeared to dominate.⁶¹ In southwestern Germany the life cycle of A. caerulea conforms with Type 2.⁶² The status of some species remains to be determined. Reports from Sternberg and Buchwald refer to southwestern Germany.⁶³