Meurig Garbutt recently journeyed to Titterstone Clee Hill in search of the aptly named Scarce Blue-tailed Damselfly. Unfortunately she had no luck in that department, but amongst the Blue-tailed, Common Blue and Large Red Damsels and Emperors she managed to catch a lovely couple of photos of Golden-ringed Dragonflies which clearly show the differences between the male and female:
The male above has a clearly waisted and club shaped abdomen and the rear margins of the hindwings are acutely angled as shown in the close up below.
In contrast, the female has simply rounded rear margins to the hindwings, but more obviously has a much stockier parallel sided body and a very noticeable long pointed ovipositor extending out from the end of the abdomen: