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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 7993 - 8004 of 41939

Entry Number: 7997

  • Nematode: Scutellonema magniphasmum
  • Host: Nicotiana tabacum (Tobacco) in/on Soil
  • Origin: Limbe, Malawi
  • Collector: via E. B. Choo
  • Date Received: 1972 Jun 19
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-3690

Entry Number: 7998

  • Nematode: Trichotylenchus rectangularis
  • Host: Oryza sativa (Rice) in/on Soil
  • Origin: Limbe, Malawi
  • Collector: via E. B. Choo
  • Date Received: 1972 Jun 19
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-3710

Entry Number: 7999

  • Nematode: Pratylenchus zeae
  • Host: Citrus limon (Lemon) in/on Soil
  • Origin: Limbe, Malawi
  • Collector: via E. B. Choo
  • Date Received: 1972 Jun 19
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-3687
  • Vials: G-1743g

Entry Number: 8000

  • Nematode: Scutellonema n. sp. (same as previously)
  • Host: Citrus limon (Lemon) in/on Soil
  • Origin: Limbe, Malawi
  • Collector: via E. B. Choo
  • Date Received: 1972 Jun 19
  • Disposition of Sample: Specimens to USDANC (General)
  • Vials: G-1743g

Entry Number: 8001

  • Nematode: Scutellonema magniphasmum
  • Host: Hibiscus esculentus (Okra) in/on Soil
  • Origin: Limbe, Malawi
  • Collector: via E. B. Choo
  • Date Received: 1972 Jun 19
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-3689
  • Vials: G-1744g

Entry Number: 8002

  • Nematode: Xiphinema sp. (juveniles, same as sample 36)
  • Host: Hibiscus esculentus (Okra) in/on Soil
  • Origin: Limbe, Malawi
  • Collector: via E. B. Choo
  • Date Received: 1972 Jun 19
  • Disposition of Sample: Specimens to USDANC (General)
  • Vials: G-1744g

Entry Number: 8003

  • Nematode: Helicotylenchus microcephalus
  • Host: Saccharum officinarum (Sugarcane) in/on Soil
  • Origin: Limbe, Malawi
  • Collector: via E. B. Choo
  • Date Received: 1972 Jun 19
  • Disposition of Sample: Specimens to USDANC (General)
  • Vials: G-1745g

Entry Number: 8004

  • Nematode: Hoplolaimus pararobustus
  • Host: Saccharum officinarum (Sugarcane) in/on Soil
  • Origin: Limbe, Malawi
  • Collector: via E. B. Choo
  • Date Received: 1972 Jun 19
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-3691
  • Vials: G-1745g

Entry Number: 8005

  • Nematode: Scutellonema unum
  • Host: Citrus sp. (Citrus) in/on Soil
  • Origin: Limbe, Malawi
  • Collector: via E. B. Choo
  • Date Received: 1972 Jun 19
  • Disposition of Sample: Specimens to USDANC (General)
  • Vials: G-1751g

Entry Number: 8006

  • Nematode: Xiphinema brevicolle
  • Host: Citrus sp. (Citrus) in/on Soil
  • Origin: Limbe, Malawi
  • Collector: via E. B. Choo
  • Date Received: 1972 Jun 19
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-3705
  • Vials: G-1751g

Entry Number: 8007

  • Nematode: Xiphinema sp. (juveniles, same as sample 36)
  • Host: Citrus sp. (Citrus) in/on Soil
  • Origin: Limbe, Malawi
  • Collector: via E. B. Choo
  • Date Received: 1972 Jun 19
  • Disposition of Sample: Specimens to USDANC (General)
  • Vials: G-1751g

Entry Number: 8008

  • Nematode: Meloidogyne incognita incognita
  • Host: Begonia sp. (Begonia (with spotted leaves)) in/on Root/Soil
  • Origin: Silver Spring, Maryland, USA
  • Collector: Mrs. Walton Miller (622-0579)
  • Date Received: 1972 Jun 19
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-3604
  • Vials: G-1644f