Helastia
Introduction '''''Helastia''''' is a genus of moths in the family Geometridae erected by Achille Guenée. It is considered by some to be a synonym of ''Larentia''. This genus was redefined and described in 1987 by Robin C. Craw. This genus is endemic to New Zealand.
Species *''Helastia alba'' Craw, 1987*''Helastia angusta'' Craw, 1987*''Helastia christinae'' Craw, 1987*''Helastia cinerearia'' (Doubleday, 1843)*''Helastia clandestina'' (Philpott, 1921)*''Helastia corcularia'' (Guenée, 1868)*''Helastia cryptica'' Craw, 1987*''Helastia cymozeucta'' (Meyrick, 1913)*''Helastia expolita'' (Philpott, 1917)*''Helastia farinata'' (Warren, 1896)*''Helastia mutabilis'' Craw, 1987*''Helastia ohauensis'' Craw, 1987*''Helastia plumbea'' (Philpott, 1915)*''Helastia salmoni'' Craw, 1987*''Helastia scissa'' Craw, 1987*''Helastia semisignata'' (Walker, 1862)*''Helastia siris'' (Hawthorne, 1897)*''Helastia triphragma'' (Meyrick, 1883)
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