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Ischalis nelsonaria

Fern looper
In L
Photo by Olivier Ball

Larvae are found on hound's tongue fern and kiokio.

Family
Geometridae
Biostatus
Endemic
Host Plant
Hound's tongue fern, kiokio
Larva
Specialised setae pair on abdomen triggers defensive response when touched (drops from host vigorously twisting to hide in leaf litter).
Pupa
Pupates in silk cocoon among host fronds or in detritus.
Adult/Imago
Males have simple antennae. September to April. Fly at night, visiting flowers, attracted to light.
Forewing Length
16 - 20mm
Range
NZ
Habitat
Native forest.

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