''Helastia triphragma'' is a
moth of the family
Geometridae.
This species is
endemic to
New Zealand. It was first described by
Edward Meyrick in 1883 and originally named ''Cidaria triphragma''.
References
Moths of New Zealand
Endemic fauna of New Zealand
Moths described in 1883
Taxa named by Edward Meyrick
Cidariini
Endemic moths of New Zealand
{{Larentiinae-stub