Formicidae

Forest

Continuous stand of trees and includes both forested areas (generally with a closed canopy) and wooded areas.

Savanna

Dominated by a grass ground cover with an overstorey of widely spaced trees and shrubs.

Grassland

Comprised of grasses and broadleaved herbaceous plants, and are either without woody plants.

Artificial terrestrial

Human-made environments such as urban areas, agricultural lands, and transport corridors.