First discovered in in Whangārei in 1996, it has spread south through Auckland. The yellow and black caterpillars have stinging hairs.
Family
Zygaenidae
Biostatus
Adventive
Host Plant
Bamboo
Egg
Eggs laid in neat groups on bamboo leaves.
Larva
Yellow. Row of raised black spots in each segment. Groups of long hairs stick up from black spots. Hairs can cause skin irritation. Larvae toxic to predators. Feed on leaves. Severe defoliation when large numbers present.
Pupa
Pupates in flattish oval brown cocoon on leaf or other surface. Cocoon has parchment-like texture.
Adult/Imago
Toxic to predators (contains cyanide derivatives). Occurs in two broods - October, and March to May. Rarely observed. Flies in sunshine.
Forewing Length
8 - 12.5mm
Range
Northern North Island.
Habitat
Parks and gardens, shelter belts.