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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 36877 - 36888 of 41939

Entry Number: 36958

  • Nematode: Mesomermis conurus
  • Origin: Lake Nipigon, Ontario, Canada
  • Date Collected: 1923 Jul 27
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17144

Entry Number: 36959

  • Nematode: Mesomermis conurus
  • Origin: Lake Nipigon, Ontario, Canada
  • Date Collected: 1923 Jul 27
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17145

Entry Number: 36960

  • Nematode: Mesomermis conurus
  • Origin: Lake Nipigon, Ontario, Canada
  • Date Collected: 1923 Jul 27
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17146

Entry Number: 36961

  • Nematode: Mesomermis conurus
  • Origin: Lake Nipigon, Ontario, Canada
  • Date Collected: 1923 Jul 27
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17147

Entry Number: 36962

  • Nematode: Not a nematode (Nematomorpha: Paragordius varius)
  • Host: (mosquito)
  • Origin: Penn Laird, Virginia, USA
  • Date Collected: 1923 Jul 12
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17148

Entry Number: 36963

  • Nematode: Paramermis sp.
  • Host: (mosquito) in/on larva
  • Origin: Maryland, USA
  • Date Collected: 1923 Jun 12
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17149

Entry Number: 36964

  • Nematode: Paramermis sp.
  • Host: (mosquito) in/on larva
  • Origin: Maryland, USA
  • Date Collected: 1923 Jun 12
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17150

Entry Number: 36965

  • Nematode: Paramermis sp.
  • Host: (mosquito) in/on larva
  • Origin: Maryland, USA
  • Date Collected: 1923 Jun 12
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17151

Entry Number: 36966

  • Nematode: Paramermis sp.
  • Host: (mosquito) in/on larva
  • Origin: Maryland, USA
  • Date Collected: 1923 Jun 12
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17152

Entry Number: 36967

  • Nematode: Agamermis thorneii
  • Host: in/on soil
  • Origin: Salt Lake City, Utah, USA
  • Collector: G. Thorne
  • Date Collected: 1923 Jun 06
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17153

Entry Number: 36968

  • Nematode: Mermis sp.
  • Origin: Maryland, USA
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17154

Entry Number: 36969

  • Nematode: Agamermis thorneii
  • Host: in/on soil
  • Origin: Salt Lake City, Utah, USA
  • Collector: G. Thorne
  • Date Collected: 1923 Jun 06
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17155