40 C.F.R. § 158.1752
Flies.
Cite as 40 C.F.R. § 158.1752 (2026)
(a) General. The table in this section applies to flies. The product labeling claim determines the required test species. The required test species for a labeling claim against flies appear in paragraph (b) of this section. (b) Test species. For products making a claim against flies, the required test species for a labeling claim against flies appear in the following table. Table 1 to Paragraph (b) —Required Test Species for Products Making a Claim Against Flies Labeling claim Required test species Pest Group Claim Flies Testing of five species is required: House fly ( Musca domestica ) AND Flesh fly ( Sarcophaga sp., Wohlfahrtia sp., and other genera of flesh flies) OR Blow fly ( Phaenicia sp., Calliphora sp., and other genera of blow flies) AND Stable fly ( Stomoxys calcitrans ) AND Biting midge (punkie, granny nipper, no-see-um) (any Culicoides sp.) OR Black fly (any Simulium sp. or Prosimulium sp.) OR Black gnat (any Leptoconops sp.) AND Black horse fly ( Tabanus atratus ) OR Deer fly ( Chrysops sp.) OR Striped horse fly ( Tabanus lineola ). Pest Sub-Group Claims Filth Flies Testing on two species is required: House fly ( Musca domestica ). AND One of the following species is required: Flesh fly ( Sarcophaga sp., Wohlfahrtia sp., and other genera of flesh flies) OR Blow fly ( Phaenicia sp., Calliphora sp., and other genera of blow flies). Biting flies (excluding Sand flies) Testing is required on three species: Stable fly ( Stomoxys calcitrans ). AND one of the large biting fly species: Black horse fly ( Tabanus atratus ) OR Deer fly ( Chrysops sp.) OR Striped horse fly ( Tabanus lineola ). AND one of the small biting fly species: Biting midge (punkie, granny nipper, no-see-um) (any Culicoides sp.) OR Black fly (any Simulium sp. or Prosimulium sp.) OR Black gnat (any Leptoconops sp.). Large Biting Flies Testing is required on two species: Stable fly ( Stomoxys calcitrans ). AND one of the following species: Black horse fly ( Tabanus atratus ) OR Deer fly ( Chrysops sp.) OR Striped horse fly ( Tabanus lineola ). Small Biting Flies (excluding Sand flies) Testing is required on one of the following species: Biting midge (punkie, granny nipper, no-see-um) ( Culicoides sp.) OR Black fly ( Simulium sp. OR Prosimulium sp.) OR Black gnat ( Leptoconops sp.). Pest-Specific Claims Blow fly Blow fly ( Phaenicia sp., Calliphora sp., and other genera of blow flies). Cluster fly Cluster fly ( Pollenia rudis ). Face fly Face fly ( Musca autumnalis ). Flesh fly Flesh fly ( Sarcophaga sp., Wohlfahrtia sp., and other genera of flesh flies). House fly House fly ( Musca domestica ). Little house fly Little house fly ( Fannia canicularis ). Biting midges (punkie, granny nipper, no-see-um) Biting midge (punkie, granny nipper, no-see-um) ( Culicoides sp.). Black flies Testing on one of the following species is required: Simulium sp. OR Prosimulium sp. Black gnats Black gnat ( Leptoconops sp.). Deer flies Deer fly ( Chrysops sp.). Greenhead Greenhead ( Tabanus nigrovittatus ). Horn fly Horn fly ( Haematobia irritans ). Horse flies Testing on one of the following species is required: Black horse fly ( Tabanus atratus ), OR Striped horse fly ( Tabanus lineola ). Sand flies Testing on one of the following species is required: Lutzomyia sp. OR Phlebotomus sp. Stable fly Stable fly ( Stomoxys calcitrans ).