Lasius

The genus Lasius contains common brown and black ants found in North America and Europe. These ants are known for forming large colonies that nest in the ground. Ants, in general, are social insects belonging to the family Formicidae, with approximately 10,000 species found worldwide. They are crucial to ecosystems and can sometimes be considered pests or invasive species. Ants typically range from 2 to 25 mm in size and vary in color from yellow to black. They have a distinct body structure with a head, thorax, and abdomen, connected by a narrow waist. Ants exhibit complex social behaviors, with colonies typically consisting of queens, males, and workers, each with specific roles.12