Terrestrial snails and slugs - Plant Production
Effective: June 9, 2025
Taxonomic Position: :
Pest Type: Gastropods
Pest Code (NAPIS): IGDAAAD
This pest is a member of the following surveys: Mollusk, Small Grains, Soybean
These Approved Methods are appropriate for: 2026
Pest Information
CAPS Pest Datasheet: https://download.ceris.purdue.edu/file/
Pest Tracker: https://pesttracker.org/pest/IGDAAAD
Survey
Approved Method(s)
| Method | Detail | NAPIS Survey Method |
|---|---|---|
| Visual | See the Survey Manuals for more details. | 3031 - General Visual Observation |
Method Notes:
Human and Animal Pathogens Transmitted:
Brachylaima cribbi. Angiostrongylus cantonensis* is most readily associated with Tropical species such as Giant African Snail (Achatina fulica) but can be associated with other exotic slugs/snails. Cernuella virgata can transmit Cystocaulus ocreatus, Muellerius capillaris, and Neostrongylus linearis to livestock.
*Relationship not known or not well established.
Pest Pathogens and Organisms Vectored:Not known to vector any pathogens or other associated organisms.
Survey Recommendations
The following are recommendations for executing the survey using the approved methods for pest surveillance. The recommendations are developed through literature review and consultation with subject matter experts.
Key Diagnostic or Identification
Approved Method(s)
References
If you are unable to find a reference, contact STCAPS@usda.gov. See the CAPS Pest Datasheet for all references.