Lestes tridens  

Face: dark grey above, buff below, and labrum bluish grey. Head above, dark grey in front and light grey behind.

Eyes: sky blue above, light greyish blue below.

Prothorax: dark grey, bordered with pruinescence.

Synthorax: above, metallic green in young male, darkening to grey and blue in mature individuals. Synthoracic sides, pruinescent pale grey with dark grey elongated spots or flecks. Area between wing bases highly pruinescent with dark flecks.

Wings: clear, slightly smoky in old individuals.

Pterostigmas: dark greyish brown.

Abdomen: S2-8 and half of S9, dark grey above, with partial yellowish rings. Distinct blackish brown, fine rings at each segment boundary. Second half of S9, and all S10 pruinescent light grey. Superior appendages distinctly whitish, with black bases and tips.

Female: light brown, thorax speckled with dark brown spots.

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