USDA Nematode Collection was established in June 1960 By A. Morgan Golden. It is currently directed and curated by Dr. Zafar A. Handoo with technical support from Steve Rogers. It is one of the largest and most valuable nematode collections in existence with over 49,200 permanent slides and vials, and a total repository of nematode specimens reaching several million. It includes over 1900 type specimens, and the valuable and irreplaceable collections of Cobb-Steiner, Thorne, and others. Nematodes from worldwide and domestic sources are represented in the collection. The Collection and database provide important information for reference purposes and taxonomic research by U.S. and foreign scientists and a permanent repository for type and other specimens. This website provides a portal to search those specimens that have been cataloged to date and provides data on nematode hosts, occurrence, and distribution.
Displaying 27445 - 27456 of 41944
Entry Number: 27448
- Nematode: Ditylenchus obesus
- Host: Agropyron sp. (Wheatgrass)
- Origin: Rapid City, South Dakota, USA
- Collector: Gerald Thorne via James D. Smolik
- Date Collected: 1967 Mar 25
- Date Received: 1989 May 02
- Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
- Slides: Ditylenchus 8 (2 female, 2 male, Type Slide)
Entry Number: 27449
- Nematode: Ditylenchus sp.
- Host: Buchloe dactyloides (Buffalo grass)
- Origin: Farmingdale, Rapid City, South Dakota, USA
- Collector: Gerald Thorne via James D. Smolik
- Date Collected: 1967 Aug 06
- Date Received: 1989 May 02
- Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
- Slides: Ditylenchus 9 (2 female, Type Slide)
Entry Number: 27450
- Nematode: Ditylenchus sp.
- Origin: Greenfield, South Dakota, USA
- Collector: Gerald Thorne
- Date Collected: 1966 Jul 14
- Date Received: 1989 May 02
- Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
- Slides: Ditylenchus sp. (3 female)
Entry Number: 27451
- Nematode: Ditylenchus sp.
- Host: (Range land)
- Origin: West of Howes, South Dakota, USA
- Collector: Gerald Thorne
- Date Collected: 1966 Oct 01
- Date Received: 1989 May 02
- Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
- Slides: TSD-2302
Entry Number: 27452
- Nematode: Ditylenchus sp.
- Origin: West of Sidney, Montana, USA
- Collector: Gerald Thorne
- Date Collected: 1967 Jun 07
- Date Received: 1989 May 02
- Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
- Slides: Tylenchorhynchus 9a? (1 female)
Entry Number: 27453
- Nematode: Ditylenchus sp.
- Host: (Sod (Sandy loam)) in/on Soil (Sandy loam)
- Origin: Rhame (by airport), North Dakota, USA
- Collector: Gerald Thorne
- Date Collected: 1967 Jun 08
- Date Received: 1989 May 02
- Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
- Slides: New genus 3b (2 female)
Entry Number: 27454
- Nematode: Ditylenchus sp.
- Host: (Native sod) in/on Soil
- Origin: State Line, Montana, USA
- Collector: Gerald Thorne
- Date Collected: 1967 Jun 08
- Date Received: 1989 May 02
- Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
- Slides: TSD-1168
Entry Number: 27455
- Nematode: Ditylenchus sp.
- Host: (Native sod) in/on Soil
- Origin: Irvine, North Dakota, USA
- Collector: Gerald Thorne
- Date Collected: 1967 Jun 06
- Date Received: 1989 May 02
- Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
- Slides: TSD-540
Entry Number: 27456
- Nematode: Ditylenchus sp.
- Host: Medicago sativa (Alfalfa field)
- Origin: Grand Forks, North Dakota, USA
- Collector: Gerald Thorne
- Date Collected: 1967 Jun 06
- Date Received: 1989 May 02
- Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
- Slides: TSD-1992
Entry Number: 27457
- Nematode: Ditylenchus sp.
- Host: (Sitting Bull Grave) in/on Soil
- Origin: Mobridge, South Dakota, USA
- Collector: Gerald Thorne
- Date Collected: 1967 Jun 09
- Date Received: 1989 May 02
- Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
- Slides: TSD-2197
Entry Number: 27458
- Nematode: Ditylenchus sp.
- Host: (Prairie sod) in/on Soil
- Origin: South of Baker, Montana, USA
- Collector: Gerald Thorne
- Date Collected: 1967 Jun 08
- Date Received: 1989 May 02
- Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
- Slides: TSD-195
Entry Number: 27459
- Nematode: Ditylenchus sp.
- Host: Salix sp. (Willow (young))
- Origin: Rapid City, South Dakota, USA
- Collector: Gerald Thorne via James D. Smolik
- Date Collected: 1967 Mar 25
- Date Received: 1989 May 02
- Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
- Slides: TSD-773