{"data":{"id":"us/40-cfr-158.1752","jurisdiction":"us","citation":"40 CFR 158.1752","heading":"Flies.","body":"(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.\n(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.\nTable 1 to Paragraph (b)—Required Test Species for Products Making a Claim Against Flies\nLabeling claim Required test species\nPest Group Claim\nFlies 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).\nPest Sub-Group Claims\nFilth Flies Testing on two species is required: House fly (Musca domestica).\nAND 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).\nBiting flies (excluding Sand flies) Testing is required on three species: Stable fly (Stomoxys calcitrans).\nAND one of the large biting fly species: Black horse fly (Tabanus atratus) OR Deer fly (Chrysops sp.) OR Striped horse fly (Tabanus lineola).\nAND 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.).\nLarge Biting Flies Testing is required on two species: Stable fly (Stomoxys calcitrans).\nAND one of the following species: Black horse fly (Tabanus atratus) OR Deer fly (Chrysops sp.) OR Striped horse fly (Tabanus lineola).\nSmall 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.).\nPest-Specific Claims\nBlow fly Blow fly (Phaenicia sp., Calliphora sp., and other genera of blow flies).\nCluster fly Cluster fly (Pollenia rudis).\nFace fly Face fly (Musca autumnalis).\nFlesh fly Flesh fly (Sarcophaga sp., Wohlfahrtia sp., and other genera of flesh flies).\nHouse fly House fly (Musca domestica).\nLittle house fly Little house fly (Fannia canicularis).\nBiting midges (punkie, granny nipper, no-see-um) Biting midge (punkie, granny nipper, no-see-um) (Culicoides sp.).\nBlack flies Testing on one of the following species is required: Simulium sp. OR Prosimulium sp.\nBlack gnats Black gnat (Leptoconops sp.).\nDeer flies Deer fly (Chrysops sp.).\nGreenhead Greenhead (Tabanus nigrovittatus).\nHorn fly Horn fly (Haematobia irritans).\nHorse flies Testing on one of the following species is required: Black horse fly (Tabanus atratus), OR Striped horse fly (Tabanus lineola).\nSand flies Testing on one of the following species is required: Lutzomyia sp. OR Phlebotomus sp.\nStable fly Stable fly (Stomoxys calcitrans).","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER E—PESTICIDE PROGRAMS","PART 158—DATA REQUIREMENTS FOR PESTICIDES","Subpart R—Product Performance for Products Claiming Effectiveness Against Invertebrate Pests"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"9f7f51d8071ba369f9e35d164708e3838d0679c1f2ed85cfaa061ab415b13c7d","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-158.1748","next":"us/40-cfr-158.1756"},"notice":"GroundRules: Original legal text. Not legal advice."}