Blue Spotted Wings Smaller Male (image) Lund University Share Print E-Mail Caption This is the male of the smaller species banded demoiselle (Calopteryx splendens). The blue wing spots occur only in the males of this species, while the females do not have them. Credit Photo: Erik Svensson / Lund University Usage Restrictions Photo: Erik Svensson / Lund University Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.