Could be considered the archetypal hawker. Large and dark, marked with yellow to bluish spots and bands, best identified by the exclusion of other species. It is the most widespread and numerous of a complex of similar species, which also includes Aeshna subarctica, Aeshna serrata and Aeshna crenata.
Total: 65-80 mm.
Abdomen: 50-59 mm.
Hindwing: 40-48 mm.
Largely restricted to acidic heathy lakes and bogs in the European lowlands, but in the most types of standing water at higher altitudes and latitudes.
From late May to October. Most abundant from July to September.