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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 21949 - 21960 of 41939

Entry Number: 21955

  • Nematode: Meloidogyne marioni
  • Host: in/on Soil
  • Origin: Berkeley, California, USA
  • Collector: Gerald Thorne
  • Date Collected: 1940 Oct 17
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Heterodera 2r (8 males)

Entry Number: 21956

  • Nematode: Meloidogyne marioni
  • Host: in/on Soil
  • Origin: Davis, California, USA
  • Collector: Gerald Thorne
  • Date Collected: 1941 Jan 04
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Triplonchium 3a (2 males)

Entry Number: 21957

  • Nematode: Meloidogyne marioni
  • Host: Vigna sinensis (Stained plant & Cow pea roots) in/on Plant & Roots
  • Origin: Davis, California, USA
  • Collector: Gerald Thorne
  • Date Collected: 1940 Apr 11
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Heterodera 2s

Entry Number: 21958

  • Nematode: Meloidogyne marioni
  • Host: Gossypium sp. (Cotton) in/on Roots
  • Origin: Shafter, California, USA
  • Collector: Gerald Thorne
  • Date Collected: 1940 May 29
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Heterodera 2x

Entry Number: 21959

  • Nematode: Meloidogyne marioni
  • Host: Dichondra ropens in/on Soil
  • Origin: Sierra Madre, California, USA
  • Collector: Gerald Thorne
  • Date Collected: 1941 Jan 06
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Heterodera 2z (1 male)

Entry Number: 21960

  • Nematode: Meloidogyne marioni
  • Host: in/on Soil
  • Origin: Aberdeen, Idaho, USA
  • Collector: Gerald Thorne
  • Date Collected: 1944 Aug 07
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Neotylenchus 2c (1 male)

Entry Number: 21961

  • Nematode: Meloidogyne marioni
  • Host: in/on Soil
  • Origin: Visalia, California, USA
  • Collector: Gerald Thorne
  • Date Collected: 1944 Apr 22
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Pratylenchus 3f (3 larvae)

Entry Number: 21962

  • Nematode: Meloidogyne marioni
  • Host: Medicago sativa (Alfalfa field) in/on Soil
  • Origin: Fallon, Nevada, USA
  • Collector: Gerald Thorne
  • Date Collected: 1946 Nov 22
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Heterodera 2a1 (face view)

Entry Number: 21963

  • Nematode: Meloidogyne marioni
  • Host: Saccharum officinarum (Sugarcane) in/on Roots
  • Origin: Hawaii, USA
  • Collector: Gerald Thorne
  • Date Collected: 1949 Aug 12
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Heterodera 2b1 (5 females)

Entry Number: 21964

  • Nematode: Meloidogyne arenaria
  • Host: Apium sp. (Celery) in/on Roots
  • Origin: Pajakumbah, Sumatra, Indonesia
  • Collector: Gerald Thorne
  • Date Collected: 1951 Dec 17
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Meloidogyne 2 (13 p.s.)

Entry Number: 21965

  • Nematode: Meloidogyne javanica
  • Host: Indigofera*** sp. (Indigo) in/on Soil
  • Origin: Bogor Java, Indonesia
  • Collector: R. Manterie via Gerald Thorne
  • Date Collected: 1951 Dep 28
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Meloidogyne 3 (6 p.s.)

Entry Number: 21966

  • Nematode: Meloidogyne javanica
  • Host: Lycopersicon esculentum (Tomato) in/on Roots
  • Origin: Bogor Java, Indonesia
  • Collector: Gerald Thorne
  • Date Collected: 1941 Oct 02
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Meloidogyne 3c (10 heads)