Drupadia theda thesmia (Dark Posy)

To an inexperienced observer, this species looks similar to its close cousin, The Common Posy (Drupadia ravindra moorei).  The key in distinguishing the Dark Posy is in the markings on the undersides of the hindwings.  In the Dark Posy, the space between the two black stripes forming the cell-end bar is white, and not filled in with black, as in the Common Posy.  The butterfly is not common in Singapore and has usually been encountered in a local area in the Central Catchment Nature Reserves.  It flies in the company of the Common Posy and shares the same habits.

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