Hundreds of these Chilocorus kuwanae
lady beetles were on a scale-insect-infested birch tree. I literally could not look six inches from one without seeing another.
The larger female is facing to the right; the smaller male is facing to the left. They mated but I wasn't able to photograph it.
Identity confirmed by the Lost Ladybug Project
at Cornell University.
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with flattened or rectangular dark-red spots aft of middle - am I seeing things, or are they really Chilocorus kuwanae