US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 158 — DATA REQUIREMENTS FOR PESTICIDESSubpart R — Product Performance for Products Claiming Effectiveness Against Invertebrate Pests158.172240 C.F.R. § 158.1722Scorpions.Last amended: 2022Year: 2026Length: 36 wordsOfficial source Cite as 40 C.F.R. § 158.1722 (2026)If the pesticide product labeling makes a claim against scorpions, then testing is required using one of the following test species: Striped bark scorpion ( Centruroides vittatus ) or Arizona bark scorpion ( Centrurioides sculpturatus ).Previous40 C.F.R. § 158.1718Next40 C.F.R. § 158.1726