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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 37333 - 37344 of 41939

Entry Number: 37414

  • Nematode: Mermis nigrescens
  • Origin: University of Illinois, IIllinois, USA
  • Collector: W.V. Balduf
  • Date Collected: 1924 Jul 29
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17747

Entry Number: 37415

  • Nematode: Mermis nigrescens
  • Origin: University of Illinois, IIllinois, USA
  • Collector: W.V. Balduf
  • Date Collected: 1924 Oct 09
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17748

Entry Number: 37416

  • Nematode: Mermis nigrescens
  • Origin: University of Illinois, IIllinois, USA
  • Collector: W.V. Balduf
  • Date Collected: 1924 Oct 09
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17749

Entry Number: 37417

  • Nematode: Mermis nigrescens
  • Origin: Egg Harbor, Wisconsin, USA
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17750

Entry Number: 37418

  • Nematode: Mermis nigrescens
  • Origin: Egg Harbor, Wisconsin, USA
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17751

Entry Number: 37419

  • Nematode: Mermis nigrescens
  • Origin: Egg Harbor, Wisconsin, USA
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17752

Entry Number: 37420

  • Nematode: Mermis nigrescens
  • Origin: Egg Harbor, Wisconsin, USA
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17753

Entry Number: 37421

  • Nematode: Mermis nigrescens
  • Origin: Egg Harbor, Wisconsin, USA
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17754

Entry Number: 37422

  • Nematode: Mermis nigrescens
  • Origin: Egg Harbor, Wisconsin, USA
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17755

Entry Number: 37423

  • Nematode: Mermis nigrescens
  • Origin: Egg Harbor, Wisconsin, USA
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17756

Entry Number: 37424

  • Nematode: Mermis nigrescens
  • Origin: Egg Harbor, Wisconsin, USA
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17757

Entry Number: 37425

  • Nematode: Mermis nigrescens
  • Origin: Egg Harbor, Wisconsin, USA
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-17758