Giant Swamp Leaf Beetle vs White-Spotted Longhorn Beetle

Side-by-side species comparison

Attribute Giant Swamp Leaf Beetle White-Spotted Longhorn Beetle
Scientific Name Donacia provostii Anoplophora malasiaca
Order Coleoptera Coleoptera
Family Chrysomelidae Cerambycidae
Size 8-11 mm 25-35 mm
Habitat Wetlands Gardens
Diet Herbivores Fruit Feeders
Regions Eastern North America East Asia, Japan
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.

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Did You Know?

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

White-Spotted Longhorn Beetle

A striking longhorn beetle native to Japan with bright white spots on a glossy black body. Known as 'goma-dara-kamikiri.' A serious pest of fruit and ornamental trees whose larvae bore into living wood.

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Did You Know?

This beetle's close relative, the Asian longhorned beetle, became a major invasive pest after being transported to other continents in wooden packing materials.