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 20317 - 20328 of 41939
Entry Number: 20323
- Nematode: Discolaimus bulbiferus
- Host: Citrus paradisi (Grapefruit) in/on Roots/Soil
- Origin: Bard, California, USA
- Collector: Gerald Thorne
- Date Collected: 1938 Apr 28
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Discolaimus 4j (5 female)
Entry Number: 20324
- Nematode: Discolaimus bulbiferus
- Host: Phoenix dactylifera (Date Palm) in/on Soil
- Origin: Indio, California, USA
- Collector: Gerald Thorne
- Date Collected: 1938 Apr 26
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Discolaimus 4k (2 female)
Entry Number: 20325
- Nematode: Discolaimus bulbiferus
- Host: Buxus sp. (Boxwood) in/on Roots
- Origin: Tyler, Texas, USA
- Collector: Gerald Thorne
- Date Collected: 1939 Jun 24
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Discolaimus 4m (3 female)
Entry Number: 20326
- Nematode: Discolaimus bulbiferus
- Host: in/on Soil
- Origin: Kern County, California, USA
- Collector: Gerald Thorne
- Date Collected: 1940 Jul
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Discolaimus 4n (6 female)
Entry Number: 20327
- Nematode: Discolaimus bulbiferus
- Host: Beta sp. (Beet field) in/on Soil
- Origin: Fort Collins, Colorado, USA
- Collector: Gerald Thorne
- Date Collected: 1940 Sep 18
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Discolaimus 4o (8 female)
Entry Number: 20328
- Nematode: Discolaimus bulbiferus
- Host: Citrus sp. (Citrus) in/on Soil
- Origin: El Monte, California, USA
- Collector: Gerald Thorne
- Date Collected: 1941 Aug 12
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Discolaimus 1n (1 female)
Entry Number: 20329
- Nematode: Discolaimus similis
- Host: Covillea tridentata (Larrea) in/on Soil
- Origin: Littlefield, Arizona, USA
- Collector: Gerald Thorne
- Date Collected: 1934 Mar 15
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Discolaimus 5 (3 female)
Entry Number: 20330
- Nematode: Discolaimus similis
- Host: Citrus paradisi (Grapefruit) in/on Roots/Soil
- Origin: Bard, California, USA
- Collector: Gerald Thorne
- Date Collected: 1938 Apr 28
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Discolaimus 4j (5 female)
Entry Number: 20331
- Nematode: Discolaimus similis
- Host: Covillea tridentata (Larrea & other desert plants) in/on Soil
- Origin: Sacaton, Arizona, USA
- Collector: Gerald Thorne
- Date Collected: 1938 May 03
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Discolaimus 5b (3 female)
Entry Number: 20332
- Nematode: Discolaimus cylindricum
- Host: Medicago sativa (Alfalfa) in/on Soil & Crowns
- Origin: California Mesa, Colorado, USA
- Collector: Gerald Thorne
- Date Collected: 1937 Sep 15
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Dorylaimus 26n (8 female)
Entry Number: 20333
- Nematode: Discolaimus sp.
- Host: Covillea tridentata (Larrea) in/on Roots/Soil
- Origin: Littlefield, Arizona, USA
- Collector: Gerald Thorne
- Date Collected: 1938 Jul 15
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Placodira 1b (1 male, 1 young)
Entry Number: 20334
- Nematode: Discomyctus cephalatus
- Host: Oryza sp. (Rice) in/on Soil
- Origin: E. C. Sumatra, Bogor Java Experimental Station, Indonesia
- Collector: Gerald Thorne
- Date Collected: 1951 Oct 13
- Date Received: 1963 Sep 06
- Disposition of Sample: Specimens to USDANC (Gerald Thorne)
- Slides: Discomyctus 1 (5 female)