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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 12265 - 12276 of 41939

Entry Number: 12270

Nematode: Ditylenchus sp.
Host: Cornus sp. (Dogwood) in/on Soil
Origin: National Arboretum, Washington, D.C., District of Columbia, USA
Collector: via Curtis May
Date Received: 1963 Dec 09
Disposition of Sample: Specimens to USDANC (Mass)
Vials: M-191g

Entry Number: 12271

Nematode: Hemicycliophora n. sp.
Host: Cornus sp. (Dogwood) in/on Soil
Origin: National Arboretum, Washington, D.C., District of Columbia, USA
Collector: via Curtis May
Date Received: 1963 Dec 09
Disposition of Sample: Specimens to USDANC (Mass)
Vials: M-191g

Entry Number: 12272

Nematode: Tylenchorhynchus claytoni
Host: Cornus sp. (Dogwood) in/on Soil
Origin: National Arboretum, Washington, D.C., District of Columbia, USA
Collector: via Curtis May
Date Received: 1963 Dec 09
Disposition of Sample: Specimens to USDANC (Mass)
Vials: M-191g

Entry Number: 12273

Nematode: Heterodera n. sp. (new group)
Host: Glycine max (Soybean) in/on Soil
Origin: East Prairie, Mississippi Co., Missouri, USA
Collector: via Stanley W. Downing (PPC)
Date Received: 1963 Dec 12
Disposition of Sample: Specimens to USDANC (Mass)
Slides: M-134
Vials: M-195g

Entry Number: 12274

Nematode: Heterodera n. sp. (new group)
Host: (Soil) in/on Soil
Origin: Osceola, Mississippi Co. (NW 1/4 NE 1/4 S-10, T-15N, R-10E.), Arkansas, USA
Collector: via J. C. Griffith
Date Collected: 1963 Dec 12
Date Received: 1963 Dec 12
Disposition of Sample: Specimens to USDANC (Mass)
Vials: M-211f (1 cyst)