Tag archives for Linepithema

Argentine Ants, Queen and Worker

A queen and worker Argentine ant, Linepithema humile, pose for a photograph near Córdoba, Argentina. photo details: Canon MP-E 65mm 1-5x macro lens on a Canon EOS 20D ISO 100, 1/250 sec, f13, flash diffused through tracing paper

Silent Extinctions

Linepithema flavescens, a small yellow ant from Haiti, is one of the species I re-described as part of my Ph.D. dissertation.  All we know about this ant, apart from the brief notes on the specimen labels, is the external appearance of a few workers.  Queens and males haven’t been collected.  No one has studied its…

Phylogeny of Linepithema

Three years after finishing my Ph.D., I have finally published the last bit of work from my dissertation.  It’s a multi-locus molecular phylogeny of the ant genus Linepithema, a group of mostly obscure Neotropical ants that would be overlooked if they didn’t happen to contain the infamous Argentine Ant.  In less jargony language, what I’ve…

The Argentine Ant (Linepithema humile), a small brown ant about 2-3mm long, is one of the world’s most damaging insects. This pernicious ant is spreading to warmer regions around the world from its natal habitat along South America’s Paraná River. Linepithema humile can drive native arthropods to extinction, instigating changes that ripple through ecosystems. In…