Elm Leaf Beetle vs Galapagos Flightless Katydid

Side-by-side species comparison

Attribute Elm Leaf Beetle Galapagos Flightless Katydid
Scientific Name Xanthogaleruca luteola Nesoecia cooksoni
Order Coleoptera Orthoptera
Family Chrysomelidae Tettigoniidae
Size 5-7 mm 40-60 mm
Habitat Woodlands Heathland
Diet Herbivores Herbivores
Regions Europe, introduced worldwide South America
Conservation Not Evaluated Vulnerable

Elm Leaf Beetle

A yellowish-green beetle with dark stripes along its elytra. Both adults and larvae feed on elm leaves, sometimes causing severe defoliation.

💡

Did You Know?

Heavy infestations can strip an elm tree of nearly all its leaves in a single season.

Galapagos Flightless Katydid

A large flightless katydid endemic to the Galapagos Islands. Part of the archipelagos remarkable pattern where 74% of endemic orthopterans have lost the ability to fly.

💡

Did You Know?

In the Galapagos, 74% of endemic grasshoppers and crickets have evolved flightlessness — the same pattern seen in many island insect populations worldwide.