New research shows invasive species are reducing insect populations worldwide and weakening ecosystems people rely on.

Damage from invasive species in Morocco could exceed US$2 billion a year, dwarfing spending on prevention and control, ...

Insects are often seen as invaders due to high-profile species like the yellow-legged (Asian) hornet, the harlequin ladybird ...

Erik Irmer has been documenting the spread of invasive plant and animal species that disrupt native ecology across Europe. He focuses on humans’ interactions with these plants and animals. Aliens is p ...

WARSAW, Poland (AP) — A respected Polish scientific institute has classified domestic cats as an “invasive alien species,” citing the damage they cause to birds and other wildlife. Some cat lovers ...

This ash tree has been attacked by the emerald ash borer. The larvae create long serpentine tracks under the bark. The bark is pock-marked with D-shaped holes where the adults chewed their way out. A ...