Sciarid flies
minute (0.1 to 0.25 mm) and yellowish white in colour. They are laid on the ground surface close to plant roots. The larvae can grow to 5 to 12 mm in length [...] four larval instars, a pupal instar, and the adult. The adult insects are 1 to 5 mm long, grey-black flies with long antennae. They have relatively long [...] length and 0.5 to 1.5 mm in diameter. They are legless and have a conspicuous black head. The head is equipped with biting-chewing mouth parts. Pupation