Large Emerald vs PNG Giant Katydid

Side-by-side species comparison

Attribute Large Emerald PNG Giant Katydid
Scientific Name Geometra papilionaria Siliquofera grandis
Order Lepidoptera Orthoptera
Family Geometridae Tettigoniidae
Size Wingspan 50-65mm 70-100 mm body length
Habitat Heathland Forests
Diet Herbivores Herbivores
Regions Europe, Asia Oceania (Papua New Guinea)
Conservation Least Concern Least Concern

Large Emerald

A beautiful bright green moth with delicate white wavy lines across both wings. Its green color fades to whitish after death.

💡

Did You Know?

Its green pigment is bile-derived and extremely fugitive fading from emerald to pale white in museum specimens within years.

PNG Giant Katydid

A very large katydid found in the rainforests of Papua New Guinea, with a body resembling a green leaf. Its leaf mimicry is remarkably detailed, including simulated vein patterns, leaf edges, and even brown spots resembling fungal damage.

💡

Did You Know?

This katydid's leaf mimicry extends to simulating insect damage and fungal spots on its wings, making it virtually invisible among real foliage.