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Images in Ultraviolet (UV) Light

Ref: large red damselfly 2 in uv.jpg

Ref: banded demoiselle damselfly female in uv.jpg

Ref: banded demoiselle damselfly male in uv.jpg

Ref: broad-bodied chaser dragonfly female in uv.jpg

No obvious UV on the top surface, unlike the males which follow.

Ref: broad-bodied chaser dragonfly male in uv.jpg

This is the only sampled member of the Odonata (Dragonfly & Damselfly) family with substantial UV reflectance on the top surface. It is a blue 'powder' that rubs off during life, so old individuals often have less normal light blue and similar UV.
The main section shows the female with none and another male bafore and after brushing a segment to show the effect.

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