News tagged with invasive species

Ants follow Fermat's principle of least time

(Phys.org) —Ants have long been known to choose the shortest of several routes to a food source, but what happens when the shortest route is not the fastest? This situation can occur, for example, when ...

Apr 01, 2013 feature
4.8 / 5 (20) 22 | with audio podcast

City life key to harlequin ladybird invasion

A new paper published in the Journal of Biogeography today concludes that the harlequin ladybird, an invasive alien species first recorded in the UK in 2004, has a preference for urban areas and sunnier habita ...

Oct 12, 2014
5 / 5 (1) 0

Not at home on the range

A new study on parasites that infect a marine snail suggests that though hosts might expand their geographical range, the parasites don't always follow.

Jul 09, 2014
4 / 5 (1) 0