Giant Brazilian Longhorn vs Desert Spider Beetle

Side-by-side species comparison

Attribute Giant Brazilian Longhorn Desert Spider Beetle
Scientific Name Derobrachus geminatus Cysteodemus armatus
Order Coleoptera Coleoptera
Family Cerambycidae Meloidae
Size 60-90 mm 10-16 mm
Habitat Forests Deserts & Drylands
Diet Root Feeders Herbivores
Regions South America (Brazil, Paraguay, Argentina) North America
Conservation Least Concern Least Concern

Giant Brazilian Longhorn

A very large longhorn beetle with powerful mandibles and long, segmented antennae. The body is dark brown to black with a rough, sculptured texture. Adults are nocturnal and attracted to lights. Larvae bore into the roots of large trees.

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Did You Know?

Its larvae can spend up to five years developing inside tree roots before emerging as adults that live only a few weeks.

Desert Spider Beetle

A bizarre inflated blister beetle with a bulbous, metallic blue-black abdomen. It waddles slowly through the Mojave and Sonoran deserts.

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Did You Know?

Its balloon-like body shape mimics a spider, which may deter some predators.