Glassy-looking green larvae feed on the undersides of fern fronds. One of our most widespread moths.
Family
Crambidae
Biostatus
Native
Host Plant
Ferns, including water fern and lace fern.
Larva
Glassy green. Feeds on undersides of fern fronds, leaving transparent patches.
Pupa
Pupates in strands of silk under frond.
Adult/Imago
Found all year (mainly November to March). Flies by day, but usually from dusk onwards, attracted to light.
Forewing Length
7 - 9.5mm
Range
NZ
Habitat
Native forest, shrubland, coastal areas.