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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 22921 - 22932 of 41939

Entry Number: 22927

  • Nematode: Paraphelenchus pseudoparietinus
  • Origin: Fall Brook, California, USA
  • Collector: Gerald Thorne
  • Date Collected: 1942 Feb 16
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Paraphelenchus 1e (8 females)

Entry Number: 22928

  • Nematode: Paraphelenchus pseudoparietinus
  • Origin: Beaumont, California, USA
  • Collector: Gerald Thorne
  • Date Collected: 1942 May 15
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Paraphelenchus 1f (9 females)

Entry Number: 22929

  • Nematode: Paraphelenchus pseudoparietinus
  • Origin: Lehi, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1935 May 21
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Cephalobus 4g (1 female)

Entry Number: 22930

  • Nematode: Paraphelenchus pseudoparietinus
  • Origin: Idaho Falls, Idaho, USA
  • Collector: Gerald Thorne
  • Date Collected: 1945
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Paraphelenchus 1g (2 females)

Entry Number: 22931

  • Nematode: Paraphelenchus pseudoparietinus
  • Origin: Fish lake, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1947 Aug
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Paraphelenchus 1g

Entry Number: 22932

  • Nematode: Paraphelenchus pseudoparietinus
  • Origin: Aberdeen, Idaho, USA
  • Collector: Gerald Thorne
  • Date Collected: 1949 Aug 19
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Paraphelenchus 1k (6 females)

Entry Number: 22933

  • Nematode: Paratylenchus hamatus (macrophallus)
  • Origin: Merced.Co., California, USA
  • Collector: Gerald Thorne
  • Date Collected: 1944 Mar 22
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Paratylenchus 1 ( 15 females)

Entry Number: 22934

  • Nematode: Paratylenchus hamatus (macrophallus)
  • Origin: Talawakelle, Ceylon
  • Collector: Gerald Thorne
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Paratylenchus 1b (4 males)

Entry Number: 22935

  • Nematode: Paratylenchus sp.
  • Origin: Salt Lake City, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1933 Apr 12
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Eucephalobus 40 (1 female)

Entry Number: 22936

  • Nematode: Paratylenchus sp.
  • Origin: Bald Mt, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1935 Aug 15
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Paratylenchus 2 (1 female)

Entry Number: 22937

  • Nematode: Paratylenchus sp.
  • Origin: Betteravia, California, USA
  • Collector: Gerald Thorne
  • Date Collected: 1934 Jul 15
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Paratylenchus 2a (6 females)

Entry Number: 22938

  • Nematode: Paratylenchus sp.
  • Origin: Littlefield, Arizona, USA
  • Collector: Gerald Thorne
  • Date Collected: 1934 Mar 15
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Paurodontus 1b (1 y)