Sumac Gall Aphid vs Emperor Gum Moth

Side-by-side species comparison

Attribute Sumac Gall Aphid Emperor Gum Moth
Scientific Name Melaphis rhois Opodiphthera eucalypti
Order Hemiptera Lepidoptera
Family Pemphigidae Saturniidae
Size 1-3 mm 100-150 mm wingspan
Habitat Woodlands Woodlands
Diet Gall Makers Predators
Regions Eastern North America Australia, Oceania
Conservation Not Evaluated Least Concern

Sumac Gall Aphid

A gall-forming aphid that produces large hollow galls on sumac trees in which colonies live and reproduce. Soldier nymphs defend the gall from invaders using their thickened front legs.

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Did You Know?

Their soldier caste is composed of sterile first-instar nymphs that sacrifice their development to protect the colony.

Emperor Gum Moth

A large and attractive native moth with prominent eyespots on each wing that serve as a startle defence against predators. It is one of the largest moths in southern Australia.

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Did You Know?

The large eyespots on its wings are thought to mimic the eyes of an owl, frightening away potential bird predators.