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Gauna aegusalis

Gae L
Photo by Olivier Ball

One of several moth species from Australia, with larvae feeding on acacia rust galls.

Family
Pyralidae
Biostatus
Adventive
Host Plant
Acacia
Larva
Tunnels in large rust galls on twigs and branches of acacia. Extrudes frass (droppings) from gall. The galls are caused by the fungus Uromycladium.
Pupa
Pupates in feeding place.
Adult/Imago
Resting posture mimics bark or a dead leaf. Late August to January. Active at night, attracted to light.
Forewing Length
8.5 - 12.5mm
Range
North Island and northern South Island.
Habitat
Parks and gardens, waste places.

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