08 May 2014

Butterflies Galore! : Pale Grass Blue

Butterflies Galore!
The Pale Grass Blue (Zizeeria maha serica)



This species was first discovered by veteran ButterflyCircle member Steven Neo in 2001. Photographs that were sent to Col Eliot in 2003 were verified by him that this the taxon Zizeeria maha serica which originates from Hong Kong. The Pale Grass Blue may have hitched a ride into Singapore via horticultural material imported from the region. The caterpillar host plant of this species is the Yellow Wood Sorrell (Oxalis corniculata). The full life history is recorded here.

The Pale Grass Blue is often confused with the two local Grass Blue species - the Lesser Grass Blue and the Pygmy Grass Blue. However, when a shot of the three species is available, identification is usually not a problem. The underside markings of the Pale Grass Blue are more pronounced and darker. Males are a light blue on the upperside whilst females are a greyish blue. This shot was taken by young ButterflyCircle member Jonathan Soong in his urban garden.

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