Black Soldier Fly - School IPM - USU Extension

    Black Soldier Fly

    Hermetia illucens

    black soldier fly

    Black soldier fly (Marilyn Sallee,

    Soldier fly

    Black soldier fly (Vengolis, Wikimedia Commons)

    soldier fly larvae

    Soldier fly larvae (Krokofant, Wikimedia Commons)


    • large; dark-colored
    • 2 white patches just behind wings
    • flattened appearance
    • larvae and pupae: dark brown and flattened; 1 inch long

    Nesting Habits

    • lay eggs in garbage and other decaying organic material; moisture; compost piles; dumpsters
    • larvae feed in garbage and other decaying organic material
    • pupate outside of the food source


    • moist decaying organic material


    • pupae often found in large numbers around dumpsters
    • rarely breed indoors; adults usually found in low numbers 
    • adult presence indoors indicates breeding areas near doors/windows

    IPM Recommendations

    • Regularly inspect and clean dumpsters and surrounding areas. 
    • Seal cracks around doors and windows. 
    • Install properly-fitting screens in all windows. 
    • Install weather stripping around all edges of doorways.
    • Keep doors and windows closed or open with properly fitted screens.
    • Use fly light traps.

    Additional Resources

    IPM for Flies: Integrated Pest Management in Sensitive Environments (University of Nebraska-Lincoln Extension)