StacksVerified U.S. regulatory reference

40 CFR §158.1722

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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).