The odd insect at right is a male ant. He looks nothing like his sisters, bearing wings and large eyes to better serve his role of dispersal and mating. Davis, California, USA - Alex Wild Photography - Insect Photography

Linepithema

is an inconspicuous but ecologically important ant of Neotropical forests and mountains. One species, the Argentine ant L. humile, has become a significant pest in mediterranean climates worldwide.

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A feisty little Argentine ant (Linepithema humile) attacks a much larger fire ant (Solenopsis invicta). Both species co-exist naturally in subtropical South America, but in the southern United States where both have been accidentally introduced, the fire ant has displaced the Argentine ants.

Austin, Texas, USA

A worker and queen Argentine ant, Linepithema humile.

Córdoba, Argentina

The odd insect at right is a male ant. He looks nothing like his sisters, bearing wings and large eyes to better serve his role of dispersal and mating.

Davis, California, USA

An Argentine Ant (Linepithema humile) drinking.

California, USA

Linepithema humile, the Argentine ant, queen and worker in the species' native range.

Córdoba, Argentina

Linepithema humile Argentine ants tend to mealybugs.

Quito, Ecuador

As a colony of subterranean termites (Reticulitermes hesperus) prepares for the annual release of winged reproductives, a predatory Argentine ant (Linepithema humile) approaches the nest for an easy protein meal.

Davis, California, USA

The odd insect at right is a male ant. He looks nothing like his sisters, bearing wings and large eyes to better serve his role of dispersal and mating.

Davis, California, USA

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Linepithema

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