The many nests of the hairy wood ant
Guest blog from Samuel Ellis, a PhD student at the University of York Centre for Complex Systems Analysis There are an estimated 22,000 species of ants, and it is likely that the weight of ants on the planet is greater than the weight of humans. They are very important to ecosystems all over the world including in this country. I am currently conducting a study on the hairy wood ant (Formica lugubris) at the Longshaw Estate in the Peak district. This species is part of a closely related group of six species called the red wood ants which dominate woodland environments across Europe. These ants build distinctive dome shaped nests of pine needles (with underground chambers) which can be up to 1m high (but are more usually around 30cm). They are apex invertebrate predators outcompeting other ant species and hunting for invertebrate prey on the forest floor…