Cochlicellid snails - Cochlicella spp.
Effective: August 19, 2014
Taxonomic Position: Stylommatophora : Helicidae, Hygromidae
Pest Type: Gastropods
Pest Code (NAPIS): IGDGDEA
This pest is a member of the following surveys: Mollusk, Small Grains
These Approved Methods are appropriate for: 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015
Survey
Approved Method(s)
Method |
Detail |
NAPIS Survey Method |
Visual |
See the visual inspection excerpt from the guidelines. |
3031 - General Visual Observation |
Method Notes: Cochlicella barbara (=Prietocella barbara) should be included when surveying for this genus.
Negative data for the genera Cernuella, Cochlicella, and Monacha can be entered at the genus level if no individuals of that genus are found in the sample and if the sampling method used will capture individuals of that genus if they are present in the environment from which that sample was taken. All species of these genera are exotic and not native to the U.S. All positives, regardless of genus, must be reported at the species level; no positive entries at the genus level are allowed.
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)
ID/Diagnostic: Morphological: All specimens should be submitted to David G. Robinson / Francisco J. Borrero. They are able to identify (even immature specimens) to the species level for this genus.
David G. Robinson / Francisco J. Borrero
USDA APHIS PPQ PHP National Identification Services
National Malacology Laboratory
Academy of Natural Sciences
1900 Benjamin Franklin Parkway
Philadelphia, PA 19103-1101
Ph.: 215 299-1175
Fx: 215 567-7229
e-mail: david.g.robinson@usda.gov; francisco.j.borrero@usda.gov
Mistaken Identities: Cochlicella spp. are similar to each other. Cochlicella barbara (=Prietocella barbara) has previously been misidentified as C. acuta.