Diamondback Eumolpid vs Giant Brazilian Longhorn

Side-by-side species comparison

Attribute Diamondback Eumolpid Giant Brazilian Longhorn
Scientific Name Colaspis brunnea Derobrachus geminatus
Order Coleoptera Coleoptera
Family Chrysomelidae Cerambycidae
Size 4-5 mm 60-90 mm
Habitat Farmland Forests
Diet Root Feeders Root Feeders
Regions Eastern North America South America (Brazil, Paraguay, Argentina)
Conservation Least Concern Least Concern

Diamondback Eumolpid

A small, oblong beetle with a pale brown to yellowish body and rows of punctures on the elytra. Larvae are known as grape colaspis and damage roots of various crops.

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Did You Know?

Larvae are most damaging to corn and soybean planted after clover, as populations build up in clover root zones before crop rotation.

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.