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Steinernema nematodes

Steinernema nematodes – roundworms – that attack and kill the larvae in the potting soil of the Hawthorn fly.

  • Biopesticide

Steinernema nematodes, roundworms Steinernema Feltiae that attacks and kills the larvae in the potting soil of the Hawthorn fly (Bibio marci). The roundworms are mixed with water and poured over the soil around the houseplants. After two weeks, the Hawthorn flies are gone because the larvae from which the flies emerge have been killed.
Steinernema nematodes is a live product and thus must be applied fairly quickly; check the packaging.

recognize Dark-winged fungus gnat
Dark-winged fungus gnat, photo: James Lindsey at Ecology of Commanster - CC BY-SA 3.0