Dragons and damselflies both belong to the insect order Odonata and share a similar appearance. However, demoiselles are a specific, highly striking type of damselfly. You can easily tell them apart by looking at their wings at rest, wing shape, body shape, and eye placement.
| Feature | Dragonflies | Damselflies | Demoiselles |
| Wings at rest | Held open horizontally, flat out like an aeroplane. | Folded together vertically along the top of the abdomen. | Slender body, but noticeably larger than standard damselflies. |
| Wing shape | Rear wings are broader at the base than the front wings. | All four wings are identical in size and shape, and taper at the base. | All wings identical in shape, but broad, translucent, and heavily tinted. |
| Eyes | Huge compound eyes wrap around and touch at the top of the head. | Smaller compound eyes with a distinct gap separating them. | Separated widely, sitting on the sides of the head. |
| Body shape | Chunkier, broader, and more robustly built bodies | Slim, elongated, and highly delicate, twig-like bodies. | Slender body, but noticeably larger than standard damselflies. |
| Flight style | Powerful, direct, incredibly fast, and capable of hovering | Weak, slow, fluttery, and bouncing. | Fluttery and erratic, highly resembling the flight of a butterfly. |
| Habitat | Broad; frequently wander far from water into meadows and gardens. | Still or slow-moving waters like garden ponds and marshes. | Highly specific to fast-flowing, clean, or oxygen-rich rivers and streams. |
A more detailed breakdown
Dragonflies
These are the heavy bombers of the insect world. They have broad, muscular thoraxes and their massive compound eyes meet at the midline of the head to give them nearly 360° vision. Because their hindwings are broader than their forewings, they generate immense aerodynamic lift, enabling them to zoom, dive, and hunt down other insects mid-air at rapid speeds.
Damselflies
These insects are thin, delicate, and look like colourful twigs. Their wings taper dramatically where they connect to the body, and they lack the flight muscle mass of dragonflies. As a result, they have a gentle, bouncing flight pattern and typically stay nestled close to bankside vegetation to avoid being swept away by the wind or snapped up by predators.
Demoiselles
Demoiselles are essentially the “glamour models” of the damselfly sub-order. While they share the wide-set eyes and wing-folding habits of standard damselflies, they are larger and intensely iridescent. Unlike ordinary damselflies which have clear wings, male demoiselles boast dramatic, deeply coloured wings. In Europe and the UK, you will most frequently encounter two iconic species:
- The Banded Demoiselle: The male has a bright metallic blue body with a striking, dark ink-like spot across the centre of each wing.
- The Beautiful Demoiselle: The male possesses an entirely iridescent, deep blue-purple body matched with completely dark, metallic wings.
© David Taylor