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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 25285 - 25296 of 41944

Entry Number: 25288

  • Nematode: Xiphinema americanum
  • Origin: Holladay (balsam), Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1923
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Nygolaimus 5n (5 females)

Entry Number: 25289

  • Nematode: Xiphinema americanum
  • Origin: Salem, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1926 Feb 13
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Xiphinema 1 (7 females)

Entry Number: 25290

  • Nematode: Xiphinema americanum
  • Origin: Lehi, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1926 Mar 08
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimellus 2a (1 female)

Entry Number: 25291

  • Nematode: Xiphinema americanum
  • Origin: Nephi, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1925 Aug 14
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Xiphinema 1a (5 females)

Entry Number: 25292

  • Nematode: Xiphinema americanum
  • Origin: Red Butte (balsam), Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1923 Dec
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Xiphinema 1b (3 females) & 1c (5 females)

Entry Number: 25293

  • Nematode: Xiphinema americanum
  • Origin: Cove Fort, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1926 Apr 09
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Nygolaimus 6f (4 females)

Entry Number: 25294

  • Nematode: Xiphinema americanum
  • Origin: Indio, California, USA
  • Collector: Gerald Thorne
  • Date Collected: 1926 May 11
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Heterodera 2h (2 females)

Entry Number: 25295

  • Nematode: Xiphinema americanum
  • Origin: Little Cottonwood Canyon, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1927 Jun 11
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Nygolaimus 4b (1 female)

Entry Number: 25296

  • Nematode: Xiphinema americanum
  • Origin: Wells, Nevada, USA
  • Collector: Gerald Thorne
  • Date Collected: 1928 Oct 29
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Axonchium 1g (2 females)

Entry Number: 25297

  • Nematode: Xiphinema americanum
  • Origin: Tooele County, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1928 Nov 15
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Aphelenchus 3c (3 females)

Entry Number: 25298

  • Nematode: Xiphinema americanum
  • Origin: Woods Hole, Massachusetts, USA
  • Collector: Gerald Thorne
  • Date Collected: 1930 Jul 21
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimus 54 (3 females)

Entry Number: 25299

  • Nematode: Xiphinema americanum
  • Origin: Texas, USA
  • Collector: Gerald Thorne
  • Date Collected: 1931 Jan
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimus 12f (1 female)