New research shows invasive species are reducing insect populations worldwide and weakening ecosystems people rely on.
The use of biological control for invasive alien plants and invertebrates, such as introducing a rust fungus (Puccinia spegazzinii) to control bitter vine (Mikania micrantha) in the Asia-Pacific ...
Insects are often seen as invaders due to high-profile species like the yellow-legged (Asian) hornet, the harlequin ladybird ...
Lake Naivasha, northwest of Nairobi, Kenya is becoming increasingly unnavigable. Water hyacinth, the world’s most widespread invasive species, is blanketing the lake, choking its fish and leaving ...
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Raising revenue from alien invasives

Clearing water-guzzling and soil-damaging alien invasive plants costs South Africa several hundred million rands every year.
Damage from invasive species in Morocco could exceed US$2 billion a year, dwarfing spending on prevention and control, ...
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 ...