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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 29353 - 29364 of 41939

Entry Number: 29360

  • Nematode: Tylenchus exiguus
  • Origin: Boulder, Colorado, USA
  • Collector: Gerald Thorne
  • Date Collected: 1966 Mar 28
  • Date Received: 1989 May 02
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
  • Slides: Heterodera sp. (1 female)

Entry Number: 29361

  • Nematode: Tylenchus exiguus
  • Origin: Fargo, North Dakota, USA
  • Collector: Gerald Thorne
  • Date Collected: 1967 Jun 05
  • Date Received: 1989 May 02
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
  • Slides: Acrobeloides 1-1 (1 female)

Entry Number: 29362

  • Nematode: Tylenchus exiguus
  • Host: (Prairie sod) in/on Soil
  • 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: TSD-2378

Entry Number: 29363

  • Nematode: Tylenchus exiguus
  • Host: (Native sod) in/on Soil
  • Origin: East of Dunniston, 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-2380

Entry Number: 29364

  • Nematode: Tylenchus exiguus
  • Host: (Native sod) in/on Soil
  • Origin: Rugby, North Dakota, 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: TSD-2383

Entry Number: 29365

  • Nematode: Tylenchus exiguus
  • Host: (Native sod) in/on Soil
  • Origin: Glendive, 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: TSD-2384

Entry Number: 29366

  • Nematode: Tylenchus exiguus
  • Host: (Grain field)
  • Origin: State Line Hy 81, North Dakota, USA
  • Collector: Gerald Thorne
  • Date Collected: 1967 Jun 05
  • Date Received: 1989 May 02
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
  • Slides: TSD-2385

Entry Number: 29367

  • Nematode: Tylenchus exiguus
  • Host: (Grass)
  • Origin: North of Downer, Minnesota, USA
  • Collector: Gerald Thorne
  • Date Collected: 1967 Jun 05
  • Date Received: 1989 May 02
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
  • Slides: Aglenchus 1b (1 female, 1 male, Type Slide)

Entry Number: 29368

  • Nematode: Tylenchus exiguus
  • Host: (Sandy loam) in/on Soil
  • Origin: Belmont, 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-2387

Entry Number: 29369

  • Nematode: Tylenchus exiguus
  • Host: (Prairie sod) in/on Soil
  • Origin: Tagus, North Dakota, 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: TSD-2388

Entry Number: 29370

  • Nematode: Tylenchus exiguus
  • Host: (Range country)
  • Origin: East 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-2389

Entry Number: 29371

  • Nematode: Tylenchus exiguus
  • Host: Salix sp. (Willow & Grass)
  • Origin: Black Hills (Jenny Gulch), South Dakota, USA
  • Collector: Gerald Thorne via James D. Smolik
  • Date Collected: 1967 Jun 28
  • Date Received: 1989 May 02
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne South Dakota)
  • Slides: TSD-2390