40 CFR 158.1752

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

View all text of Subpart R [§ 158.1700 - § 158.1786]

§ 158.1752 - Flies.

(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).