Exuviae
I collected a few exuviae from the río Guadalhorce near Álora.
#1 length 23.6 mm Onychogomphus costae
#2 length 21.7 mm Onychogomphus costae
#3 length unknown (head fell off before I could measure it) Onychogomphus costae
#4 length 24.2 mm Onychogomphus forcipatus