Cnaphalocrocis hemicrossa (Meyrick)

Polynesian Grass-Leafroller (Cnaphalocrocis hemicrossa)

The Polynesian Grass-Leafroller species was described in the year 1887.

The species, which seems to be restricted to the Austral – and the Society Islands, reaches a wingspan of about 1,7 cm.

The caterpillars feed on various grasses of the genus Paspalum, they form longitudinal tubes by rolling the grass-blades lengthwise and then feeding on the blade tissue beyond this tube.

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References:

[1] J. F. G. Clarke: The Lepidoptera of Rapa Island. Smithsonian Contributions to Zoology 56. 1971

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cnaphalocrocis-hemicrossa-pto

Photo: Peter T. Oboyski; by courtesy of Peter T. Oboyski

http://nature.berkeley.edu/~poboyski/Lepidoptera/SocietyIslands.htm

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