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Search the Nematode Collection

USDA Nematode Collection was established in June 1960 By A. Morgan Golden. It was subsequently directed and curated by Dr. Zafar Handoo. Current curators are Dr. Benjamin Waldo and Dr. Paulo Reis Vieira. It is one of the largest and most valuable nematode collections in existence with over 40,000 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 associated 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 21793 - 21804 of 41945

Entry Number: 21795

  • Nematode: Ironus longicaudatus
  • Host: (Moss) in/on Soil (Sod)
  • Origin: Fish Lake, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1924
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimus 52 (3 females)

Entry Number: 21796

  • Nematode: Ironus longicaudatus
  • Host: in/on Soil (Stream bank)
  • Origin: Broad Fork, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1924 Aug
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Ironus 1a (12 females)

Entry Number: 21797

  • Nematode: Ironus longicaudatus
  • Host: (Moss) in/on Soil (Stream)
  • Origin: Bells Canyon, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1923 Jul 25
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Ironus 1b (13 females)

Entry Number: 21798

  • Nematode: Ironus longicaudatus
  • Host: in/on Soil (Shore mud)
  • Origin: Lake Martha, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1931 Aug 20
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Ironus 1c (8 females)

Entry Number: 21799

  • Nematode: Ironus longicaudatus
  • Host: in/on Soil (Steam bed)
  • Origin: Broad Run, Virginia, USA
  • Collector: Gerald Thorne
  • Date Collected: 1932 May 01
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Ironus 1d (6 females)

Entry Number: 21800

  • Nematode: Ironus longicaudatus
  • Host: in/on Soil (Bank sod)
  • Origin: Lake Mary, Brighton, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1926 Aug 22
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Tripyla 4 (1 female)

Entry Number: 21801

  • Nematode: Ironus longicaudatus
  • Host: in/on Soil (Mud & Algae)
  • Origin: Potomac River, Tidal Basin, Washington D. C., District of Columbia, USA
  • Collector: Gerald Thorne
  • Date Collected: 1931 May 29
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimus 107 (5 females)

Entry Number: 21802

  • Nematode: Ironus longicaudatus
  • Host: in/on Soil (Mud & Algae)
  • Origin: Potomac River, Tidal Basin, Washington D. C., District of Columbia, USA
  • Collector: Gerald Thorne
  • Date Collected: 1931 Jun
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimus 107a (1 female)

Entry Number: 21803

  • Nematode: Ironus longicaudatus
  • Host: in/on Soil
  • Origin: Broad Run (Under bridge), Virginia, USA
  • Collector: Gerald Thorne
  • Date Collected: 1931 Oct 22
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Nygolaimus 15b (2 females)

Entry Number: 21804

  • Nematode: Ironus longicaudatus
  • Host: in/on Soil
  • Origin: Lake Mary (Shore line), Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1933 Aug 10
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Ironus 1e (14 females & 1Y)

Entry Number: 21805

  • Nematode: Ironus longicaudatus
  • Host: in/on Soil
  • Origin: Slide Gulch, near Arrowrock Reservoir, Idaho, USA
  • Collector: Gerald Thorne
  • Date Collected: 1936 May 13-14
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Ironus 1f (3 females)

Entry Number: 21806

  • Nematode: Ironus longicaudatus
  • Host: in/on Soil
  • Origin: Fish Lake, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1947 Aug 17
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Ironus 1h (4 females)