Dilta is a genus of primitive insects belonging to the family Machilidae. These insects are slender and wingless with dull, often mottled, colouring. They are typically found on the ground in heavily

Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 including adjacent islands, it covers around 20% of Earth's land area and 6% of its total