Diamondback Eumolpid vs Giant Willow Cossid

Side-by-side species comparison

Attribute Diamondback Eumolpid Giant Willow Cossid
Scientific Name Colaspis brunnea Endoxyla cinereus
Order Coleoptera Lepidoptera
Family Chrysomelidae Cossidae
Size 4-5 mm 150–230 mm wingspan
Habitat Farmland Woodlands
Diet Root Feeders Root Feeders
Regions Eastern North America Australia
Conservation Least Concern Not Evaluated

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 Willow Cossid

One of the heaviest moths in the world, native to Australia. Larvae bore into the trunks of eucalyptus and other hardwood trees.

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Did You Know?

Female moths can weigh over 30 grams, making them among the heaviest insects in the world.