Woodlands Historic Park Caterpillars

Green Looper Caterpillar on Black Wattle
Unidentified Looper Caterpillar on Black Wattle, mid March. About 20mm long. The head is at the right and the caterpillar is upside down.

Classification

from Australian Faunal Directory

Order Lepidoptera - Moths and Butterflies, 10855 named species in Australia
Superfamily Geometroidea - 1369 species in Australia
Family Geometridae - Loopers, 1369 named species in Australia
Genus ?
Species ?