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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 21865 - 21876 of 41939

Entry Number: 21871

  • Nematode: Leptonchus obtusus
  • Host: in/on Soil (Summit)
  • Origin: Devil's Castle, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1926 Apr 22
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Enchodelus 2f (8 females)

Entry Number: 21872

  • Nematode: Leptonchus obtusus
  • Host: in/on Soil (Hillside)
  • Origin: Ogden Canyon, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1932 Nov 18
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Leptonchus 2 (5 females)

Entry Number: 21873

  • Nematode: Leptonchus obtusus
  • Host: in/on Soil
  • Origin: Timpanogos Loop, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1932 Jun 20
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Leptonchus 2c (5 females)

Entry Number: 21874

  • Nematode: Leptonchus obtusus
  • Host: in/on Soil (Damp, mossy)
  • Origin: Kaibab Forest, Arizona, USA
  • Collector: Gerald Thorne
  • Date Collected: 1932 Sep 18 & Dec 15
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Leptonchus 2d (8 females)

Entry Number: 21875

  • Nematode: Leptonchus obtusus
  • Host: in/on Soil
  • Origin: Clemson College Experimental plot, South Carolina, USA
  • Collector: Gerald Thorne
  • Date Collected: 1932 May 27
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimus 33 (1 female)

Entry Number: 21876

  • Nematode: Leptonchus obtusus
  • Host: in/on Soil
  • Origin: Salem, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1933 May 01
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Leptonchus 2e (13 females)

Entry Number: 21877

  • Nematode: Leptonchus obtusus
  • Host: in/on Soil (Mountain)
  • Origin: Timpanogos Loop, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1932 Jun 22
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Leptonchus 2f (6 females & 1Y)

Entry Number: 21878

  • Nematode: Leptonchus obtusus
  • Host: in/on Soil (Summit)
  • Origin: Mount Timpanogos, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1933 Aug 22
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Dorylaimoides 3a (3 females)

Entry Number: 21879

  • Nematode: Leptonchus obtusus
  • Host: in/on Soil
  • Origin: Salt Lake City (Greenhouse), Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1934 Jun 06
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Leptonchus 2g (9 females)

Entry Number: 21880

  • Nematode: Leptonchus obtusus
  • Host: in/on Soil (Hillside)
  • Origin: Bell's Canyon, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1934 Jun 24
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Leptonchus 2h (10 females)

Entry Number: 21881

  • Nematode: Leptonchus obtusus
  • Host: in/on Soil
  • Origin: Black's Fork, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1934 Aug 28
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Tylenchorhynchus 9b (1Y)

Entry Number: 21882

  • Nematode: Leptonchus obtusus
  • Host: in/on Soil
  • Origin: Ogden Canyon, Utah, USA
  • Collector: Gerald Thorne
  • Date Collected: 1934 Dec 14
  • Date Received: 1963 Sep 06
  • Disposition of Sample: Specimens to USDANC (Gerald Thorne)
  • Slides: Leptonchus 2k (7 females)