Banded Demoiselle (Calopteryx splendens, female) (2)
A pterostigma, or wing mark, is not present in either sex, but the females have denser veining that simulates a wing mark. It is called 'false wing mark'. The wing…
A pterostigma, or wing mark, is not present in either sex, but the females have denser veining that simulates a wing mark. It is called 'false wing mark'. The wing…