Complex sentence: Damselflies in Lestinae rest with their wings partly open; the damselflies in Sympecmatinae, reedlings, ringtails, and winter damselflies, rest with their wings folded.
Split into simpler sentences: Damselflies in Lestinae rest with their wings partly open and the second subfamily is Sympecmatinae. The damselflies in Sympecmatinae rest with their wings folded.