Giant Jawed Longhorn vs Omalium Shore Rove Beetle

Side-by-side species comparison

Attribute Giant Jawed Longhorn Omalium Shore Rove Beetle
Scientific Name Macrodontia dejeanii Omalium rivulare
Order Coleoptera Coleoptera
Family Cerambycidae Staphylinidae
Size 50-85 mm 4-5 mm
Habitat Forests Gardens
Diet Wood Feeders Detritivores
Regions Brazil, Paraguay, Argentina Europe, Northern Asia
Conservation Least Concern Least Concern

Giant Jawed Longhorn

A large prionine with impressive curved mandibles from the tropical forests of South America. While smaller than the famous M. cervicornis, it is still a formidable insect. Males use their enlarged mandibles in combat over females.

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Did You Know?

The mandibles of males can account for nearly a third of total body length and are used like antlers in combat.

Omalium Shore Rove Beetle

A small, flattened rove beetle found near water and in compost. It feeds on decaying plant matter as well as small invertebrates.

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Did You Know?

It is among the first insects to colonize fresh compost heaps, arriving within hours.