Giant Swamp Leaf Beetle vs Pepe Tuna (Bag Moth)

Side-by-side species comparison

Attribute Giant Swamp Leaf Beetle Pepe Tuna (Bag Moth)
Scientific Name Donacia provostii Liothula omnivora
Order Coleoptera Lepidoptera
Family Chrysomelidae Psychidae
Size 8-11 mm 15-25 mm (male wingspan); cases up to 100 mm
Habitat Wetlands Underground
Diet Herbivores Herbivores
Regions Eastern North America Oceania (New Zealand)
Conservation Least Concern Least Concern

Giant Swamp Leaf Beetle

One of the larger species of reed beetle, with a metallic golden-green to coppery body and distinctive long antennae. Adults rest on emergent aquatic plants in wetlands.

💡

Did You Know?

Like all Donaciinae, larvae breathe underwater by piercing plant roots and tapping into the air spaces (aerenchyma) inside the plant tissue.

Pepe Tuna (Bag Moth)

A native New Zealand bag moth whose caterpillars construct elaborate portable cases covered with twigs and leaf fragments. Female adults are wingless grubs that never leave their bags. Males are small dark moths that fly to find stationary females.

💡

Did You Know?

The female bag moth never develops wings or legs and spends her entire life inside the bag, even laying her eggs within it before dying.