Delaware now has a state dragonfly: the blue dasher. The state Dragonfly Project, launched by Sen. Stephanie Hansen, D-Middletown, in March, asked students and teachers to learn about and ...

So what in the world were tiny respiratory channels doing in a wing membrane of a morpho dragonfly ... This setup can enhance reflections of blue light and muddle other wavelengths.

Generally, shade to cool off, sunlight to warm up. This Blue Dasher dragonfly (Pachydiplax longipennis) lifts his tail in the obelisk position and orients his body to face the sun in order to make ...

They also have noticeable blue and green spots on their bodies caused by internal structures. Dragonfly colors tend to change as dragonflies mature. They have long bodies with three significant ...