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Description
A slow flyer, this particulars species seems to be confined to Singapore as it was not found in neighbouring Peninsula Malaysia or Thailand until recently. Some theory suggest that it has been accidentally introduced from Hong Kong / China as its food plants include certain vegetables. The butterfly has been sighted across the causeway in Johor, indicating that it might have migrated across the Johor Straits.
Habitat & Habits
To Be Detailed.
Other Observations
In places like Hong Kong, Pieris canidia is usually found near vegetable fields where it's caterpillar feed on family Cruciferae like Chinese Cabbage or Cabbage.
Early Stages
To Be Detailed.
Further Reading
Partial 
None 