âºâº Definition: Kilometer. A kilometre (American spelling: kilometer, symbol: km) is a unit of length equal to 1000 metres (from the Greek words khilia = thousand and metro = count/measure). It is approximately equal to 0.621 miles, 1094 yards or 3281 feet.ou can view more details on each measurement unit: km or feet. The SI base unit for length is the metre. 1 metre is equal to 0.001 km, or 3.28083989501 feet. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between kilometres and feet.
Fungus gnats are common indoor pests. Adult gnats are about â long, grayish to black in color, with long legs, antennae and one pair of wings. The adults do little plant damage, but can be unpleasant if they are present indoors in large numbers. The larvae live in the soil and chew on plant roots.
Fungus gnat adult caught in a yellow sticky trap. The shore fly (right) has a more robust body and shorter antennae than a fungus gnat (left). Fungus gnat larvae. Shiny trails on the soil surface made by fungus gnat larvae. Fungus gnats are small flies that infest soil, potting mix, other container media, and other sources of organic decomposition. Their larvae primarily feed on fungi and organic matter in soil, but also chew roots and can be a problem in greenhouses, nurseries, potted plants and interior plantscapes.