{"data":{"id":"us/40-cfr-158.1718","jurisdiction":"us","citation":"40 CFR 158.1718","heading":"Ticks.","body":"(a) General. The table and test notes in this section apply to hard ticks (including cattle ticks) and soft ticks. The claim stated on the pesticide product labeling determines the required test species. The required test species for a specific type of tick claim appear in paragraph (b) of this section. Specific parameters that apply to individual tests appear in paragraph (c) of this section. For a claim against any specific species of “ticks,” that individual species and all the listed representative species for “ticks” must be tested, but not the representative species for cattle ticks or soft ticks. Claims against ticks in association with tick borne diseases are also subject to the requirements in § 158.1709.\n(b) Test species. For pesticide products making a claim against ticks, the required test species appear in the following table.\nTable 1 to Paragraph (b)—Required Test Species for Products Making a Claim Against Ticks\nLabeling claim Required test species\nTicks Testing on a total of three hard tick species is required: Blacklegged tick (Ixodes scapularis) AND Lone star tick (Amblyomma americanum).\nAND One of the following three species: American dog tick (Dermacentor variabilis) OR Brown dog tick (Rhipicephalus sanguineus) OR Rocky Mountain wood tick (Dermacentor andersoni).\nCattle Ticks Testing on one of the following species is required: Southern cattle tick (Rhipicephalus microplus) OR Cattle fever tick (Rhipicephalus annulatus).\nSoft Ticks Soft tick (Ornithodoros hermsi).\n(c) Specific parameters. The following parameters are required.\n1. For products applied to dogs, testing is required on three species: Blacklegged tick (Ixodes scapularis), American dog tick (Dermacentor variabilis), and Brown dog tick (Rhipicephalus sanguineus).\n2. For products applied to cats, testing is required on three species: Blacklegged tick (Ixodes scapularis), Lone star tick (Amblyomma americanum), and American dog tick (Dermacentor variabilis).","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":"a5bc70d7a0e3b3df572a3fccf0c917ea8e532c0ad56f75a0c87a6542f751a0b0","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-158.1714","next":"us/40-cfr-158.1722"},"notice":"GroundRules: Original legal text. Not legal advice."}