Sciarid flies
habitats and are attracted to a broad range of pathogenic and non-pathogenic micro-organisms for oviposition. Indirect damage is caused by the larvae and adults [...] plant material and on algae and fungi present in the soil. They, however, can also feed on root hairs, rootlets, and tender root, stem and leaf tissue. Later [...] grow to 5 to 12 mm in 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