USDA Nematode Collection
Established June 1960 By A. Morgan Golden
- One of the largest and most valuable nematode collections in existence.
- Over 45,000 permanent slides and vials, with a total repository of nematode specimens reaching several million.
- Including Cobb-Steiner, Thorne, and other valuable collections.
- Nematodes from world-wide sources.
- For taxonomic research and reference purposes by U.S. and foreign scientists
- As permanent repository for type and other specimens
- Provides data on nematodes hosts, occurrence and distribution
One of N. A. Cobb's original slides from 1890
The Divisions of the USDANC:
Designated types of over 1,500 species
Species from many different hosts and areas
Reservoir for undescribed taxa
Shows symptoms and effects of nematodes on hosts
Gerald Thorne Collection
6,600 slides, with many original types
Steiner Mermithid Collection
Over 3,400 slides, with original types
Samples Records Division
Data on all samples and nematodes examined
The USDANC Database:
- Contains over 38,000 species entries.
- A board range of data is stored for each specimen, including species, host, origin, collector, date collected and date recieved.
- All records are searchable and available to the public at this address:
Loans and Deposition:
- Specimens are avalable for loan to scientists who can not personally visit the collection. Policy for Loaning USDANC Specimens
- Scientists and other workers are always welcomed and encouraged to deposit material into the collection.