Highlights•Ant invasion success is undeniably linked to polygyny and the formation of
supercolonies.•The link between many reproductives, supercolonies and invasion success …

Supercolonies of ants are perhaps the largest non-human animal societies, at their largest
spanning several millions of individuals and thousands of nests and in invasive species …

Boom-bust population dynamics are a recurrent, widespread, and typically unexplained
property of many species invasions. Declines also occur in invasive social insects from …

As native ranges are often geographically structured, invasive species originating from a
single source population only carry a fraction of the genetic diversity present in their native …

Biological invasions are becoming more prevalent due to the rise of global trade and
expansion of urban areas. Ants are among the most prolific invaders with many exhibiting a …

Genetic diversity acts as a reservoir for potential adaptations, yet selection tends to reduce
this diversity over generations. However, sexually antagonistic selection (SAS) may promote …

Highlights•Urban and forest colonies of T. nylanderi diverge in some behaviours.•Urban
colonies perform more foraging trips than forest colonies.•Urban colonies are less …

Clarifying the population structure and introduction history of non-native species is essential
to preventing and mitigating effects of invasion, yet the invasion history of many long …

Invasive species have devastating economic and ecological impacts worldwide, but
proactive monitoring programs are rare on the global stage. By definition, tramp ants are …

Evaluating the factors that promote invasive ant abundance is critical to assess their
ecological impact and inform their management. Many invasive ant species show reduced …