Giant Fijian Longhorn vs Swollen-thorn Acacia Ant

Side-by-side species comparison

Attribute Giant Fijian Longhorn Swollen-thorn Acacia Ant
Scientific Name Xixuthrus heros Pseudomyrmex peperi
Order Coleoptera Hymenoptera
Family Cerambycidae Formicidae
Size 100-150mm 3-5 mm
Habitat Forests Forests
Diet Wood Feeders Nectar Feeders
Regions Oceania Mexico, Central America
Conservation Endangered Least Concern

Giant Fijian Longhorn

One of the largest living insects endemic to Fiji with a massive dark brown body. It is extremely rare and seldom encountered.

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Did You Know?

It is so rare that only a handful of specimens exist in museum collections and live sightings are considered extraordinary.

Swollen-thorn Acacia Ant

An obligate acacia-ant mutualist that nests exclusively within the hollow thorns of Vachellia trees. Workers patrol the tree constantly, stinging any animal that contacts it.

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Did You Know?

Acacia trees with these ant colonies grow significantly faster than uncolonized trees due to the ant's protection services.