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 21697 - 21708 of 41944
Entry Number: 21700
- Nematode: Heterodera schachtii
- Host: Beta saccharifera (Sugarbeet) in/on Soil
- Origin: Fort Collins, Colorado, USA
- Collector: Gerald Thorne
- Date Collected: 1934 Sep 04
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Heterodera 1h-1
Entry Number: 21701
- Nematode: Heterodera schachtii
- Host: in/on Soil
- Origin: Provo, Utah, USA
- Collector: Gerald Thorne
- Date Collected: 1935 Sep 27
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Heterodera 1k-1
Entry Number: 21702
- Nematode: Heterodera schachtii
- Host: in/on Soil (Lawn)
- Origin: Salt Lake City, Utah, USA
- Collector: Gerald Thorne
- Date Collected: 1937 Summer
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Heterodera 1n-1 (1 male)
Entry Number: 21703
- Nematode: Heterodera schachtii
- Host: in/on Soil
- Origin: Salt Lake City, Utah, USA
- Collector: Gerald Thorne
- Date Collected: 1939 Mar 02
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Heterodera 1o-1 (eggs attacked by fungus)
Entry Number: 21704
- Nematode: Heterodera schachtii
- Host: Beta & Brassica saccharifera & sp. (Sugarbeet to Cabbage) in/on Soil
- Origin: Salt Lake City, Utah, USA
- Collector: Gerald Thorne
- Date Collected: 1938
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Heterodera 1r-1 (4 females)
Entry Number: 21705
- Nematode: Heterodera schachtii
- Host: Beta & Brassica saccharifera & sp. (Sugarbeet to Turnip) in/on Soil
- Origin: Salt Lake City, Utah, USA
- Collector: Gerald Thorne
- Date Collected: 1938
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Heterodera 1s-1 (6 females)
Entry Number: 21706
- Nematode: Heterodera schachtii
- Host: Beta saccharifera (Sugarbeet) in/on Soil
- Origin: Midvale, Utah, USA
- Collector: Gerald Thorne
- Date Collected: 1939 May
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Heterodera 1w-1 (eggs with fungus)
Entry Number: 21707
- Nematode: Heterodera schachtii
- Host: Beta sp. (Beet) in/on Roots/Soil
- Origin: Kitzberg, Germany
- Collector: Gerald Thorne
- Date Collected: 1939 Aug 11
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Heterodera 1y-1 (6 cysts)
Entry Number: 21708
- Nematode: Heterodera schachtii
- Host: Beta sp. (Beet) in/on Roots/Soil
- Origin: Kitzberg, Germany
- Collector: Gerald Thorne
- Date Collected: 1939 Aug 11
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Heterodera 1a2 (cyst cuticle)
Entry Number: 21709
- Nematode: Heterodera schachtii
- Host: Beta saccharifera (Sugarbeet) in/on Soil
- Origin: Kitzberg, Germany
- Collector: H. Goffart via Gerald Thorne
- Date Collected: 1939 Aug 11
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Heterodera 1f2 (1 female face view)
Entry Number: 21710
- Nematode: Heterodera schachtii
- Host: Amaranthus retroflexus (Amaranth) in/on Roots
- Origin: Salt Lake City, Utah, USA
- Collector: Gerald Thorne
- Date Collected: 1941 Jul 23
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Heterodera 1i-2
Entry Number: 21711
- Nematode: Heterodera schachtii
- Host: (Clover on lawn) in/on Soil (Lawn)
- Origin: Salt Lake City, Utah, USA
- Collector: Gerald Thorne
- Date Collected: 1939 Sep
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Heterodera 1n-2 (12 cysts)