Sciarid flies
flies The life cycle of sciarid flies has the following stages: egg, four larval instars, a pupal instar, and the adult. The adult insects are 1 to 5 mm [...] damage is the immediate result of larvae feeding on the roots. The larvae feed mainly on decaying plant material and on algae and fungi present in the soil [...] material. They occur the whole year round. The eggs are minute (0.1 to 0.25 mm) and yellowish white in colour. They are laid on the ground surface close