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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 32509 - 32520 of 41939

Entry Number: 32516

  • Nematode: Dorylaimus penetrans
  • Host: in/on Soil
  • Origin: Skull Valley, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1833 Mar 15
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimus 72d (8 females)

Entry Number: 32517

  • Nematode: Dorylaimus penetrans
  • Host: Atriplex confertifolia (Shadscale) in/on Roots
  • Origin: Mosida, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1933 May 01
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Acrobeles 1g (2 females)

Entry Number: 32518

  • Nematode: Dorylaimus penetrans
  • Host: Atriplex confertifolia (Shadscale) in/on Roots
  • Origin: Mosida, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1933 May 01
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimus 72k (2 females)

Entry Number: 32519

  • Nematode: Dorylaimid Group penetrans
  • Host: Covillea tridentata (Larrea) in/on Roots/Soil
  • 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: Dorylaimus 72h (13 females)

Entry Number: 32520

  • Nematode: Dorylaimid Group penetrans
  • Host: Covillea tridentata (Larrea) in/on Roots/Soil
  • 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: Aphelenchus 3 (1 male)

Entry Number: 32521

  • Nematode: Dorylaimid Group penetrans
  • Host: Covillea tridentata (Larrea) in/on Roots/Soil
  • 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: Neotylenchus 1a (1 female)

Entry Number: 32522

  • Nematode: Dorylaimus penetrans
  • Host: in/on Soil
  • Origin: Saint George, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1934 Mar 10
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimus 72i (8 females large form)

Entry Number: 32523

  • Nematode: Dorylaimus penetrans
  • Host: in/on Soil
  • Origin: Saint George, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1934 Mar 10
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimus 72j (14 females)

Entry Number: 32524

  • Nematode: Dorylaimus penetrans
  • Host: in/on Soil
  • Origin: Saint George, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1934 Mar 10
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimus 90 (3 females)

Entry Number: 32525

  • Nematode: Dorylaimus penetrans
  • Host: in/on Soil
  • Origin: Mosida, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1940 Apr 04
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Stegellata 2b (5 females)

Entry Number: 32526

  • Nematode: Dorylaimus fecundus
  • Host: in/on Soil (Stream bed)
  • Origin: Broad Run (Bridge), Virginia, USA
  • Collector: Gerald Thorne
  • Date Collected: 1931 Sep 23
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimus 76b (2 males)

Entry Number: 32527

  • Nematode: Dorylaimus fecundus
  • Host: in/on Soil
  • Origin: Broad Run (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: Dorylaimus 73c (1 female & 4 males)