When visiting Guatemala back in 2012, I came across this beautiful bright orange butterfly. It looked very similar to Isabella’s longwing (Eueides Isabella) but due to the top black wing bar being shortened [1], I believe it to be a tiger-striped longwing (Heliconius ismenius). I must have been near the top of the range for … Continue reading Heliconius butterflies: Heliconius ismenius, the Tiger-striped longwing butterfly.
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