#invasive-species
In 1916, the US began releasing Asian lady beetles to control aphids and scale insects; decades later Harmonia axyridis became invasive and was linked to declines of native ladybirds
Originally imported to the United States for biological pest control, the multicoloured Asian lady beetle, or Harmonia axyridis, has turned invasive. Competing with native ladybugs, this species disrupts ecosystems. While it helps manage aphid populations, it…
Scientists removed trout from a California mountain lake; the recovery was visible not just in frogs, but in insects and birds
The introduction of trout in Sierra Nevada lakes has had a noteworthy impact on bird populations, leading to a reduction in their numbers. The fish also changed the diversity of bird species present near the water. Additionally, mayflies, an essential part of…
Invasive blue crabs cost Italy’s shellfish industry tens of millions of euros; scientists release 130,000 octopuses into Adriatic Sea to keep them in check
Invasive blue crabs have devastated Italy’s coastal fisheries, damaging nets and shellfish stocks and costing the industry tens of millions of euros. Scientists have now released around 130,000 young common octopuses into the Adriatic Sea, hoping the native p…
Invasive fish species pose threat to native population in Batim lake
The alarming rise of Mozambique tilapia and African catfish in Batim lake is threatening native fish populations. Experts call for a management framework to control these invasive species as local fish species decline.