Chlorolestes tessellatus, the forest malachite or mosaic sylph is a species of damselfly in the family Synlestidae. It is endemic to South Africa. This shade-loving species is found at seeps and streams in forests and wooded valleys.

It is 47–57 mm (1.9–2.2 in) long with a wingspan of 55–72 mm (2.2–2.8 in). Males and females are similar; the thorax and abdomen are metallic-green aging to coppery brown. The thorax has contrasting yellow antehumeral stripes; these are more broad than those of the similar Mountain Malachite.

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