Family SPHINGIDAE
Subfamily Smerinthinae
Coequosa australasiae occurs down the east coast of Queensland, New South Wales and Victoria. We have seen this species in February and March.
Larvae pass through either six or seven instars, depending on climate. The one we raised had seven instars. During cold weather in winter 5th instar larvae growth slowed and it sat immobile for several days or weeks.
Larval foodplants
MYRTACEAE: Eucalyptus nobilis White Gum; E. elata River Peppermint; E. saligna Sydney Blue Gum; E. tereticornis Queensland Blue Gum or Forest Red Gum; Corymbia citriodora Lemon-scented Gum.