USDA Nematode Collection was established in June 1960 By A. Morgan Golden. It was subsequently directed and curated by Dr. Zafar Handoo. Current curators are Dr. Benjamin Waldo and Dr. Paulo Reis Vieira. It is one of the largest and most valuable nematode collections in existence with over 40,000 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 associated 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 493 - 504 of 41945
Entry Number: 490
- Nematode: Axodorylaimellus aghai
- Host: Allium sativum (Garlic) in/on Soil
- Origin: Haripur, Hazara District, Pakistan
- Collector: Agha Kamal Siddiqi via J. E. Machon
- Date Collected: 1960
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3726p (Paratype)
Entry Number: 491
- Nematode: Axodorylaimellus crassidens
- Host: Heliconia sp. (Heliconia) in/on Soil (sandy)
- Origin: Airstrip in old secondary forest, Araracuara, Colombia
- Collector: K. Williamson (Colombian Amazonas Expedition) via J. E. Machon
- Date Collected: 1977
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3729p (Paratype)
Entry Number: 492
- Nematode: Axodorylaimellus iari
- Host: (Grass (Turf grass)) in/on Soil
- Origin: Indian Agricultural Research Institute, New Delhi, National Capital Territory of Delhi, India
- Collector: M. R. Siddiqi via J. E. Machon
- Date Collected: 1966
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3727p & T-3728p (Paratypes)
Entry Number: 493
- Nematode: Chitwoodius brasiliensis
- Host: (Plant) in/on Soil
- Origin: Vicosa, Minas Gerais, Brazil
- Collector: Silamar Ferraz via J. E. Machon
- Date Collected: 1978
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3743p (Paratype)
Entry Number: 494
- Nematode: Chitwoodius rusticulus
- Host: Heliconia sp. (Heliconia) in/on Soil
- Origin: Old secondary forest, Araracuara, Amazonas, Colombia
- Collector: K. Williamson (Colombian Amazonas Expedition) via J. E. Machon
- Date Collected: 1977
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3744p (Paratypes)
Entry Number: 495
- Nematode: Divittus labiatus
- Host: Saccharum officinarum (Sugarcane) in/on Soil
- Origin: Savannah Sugar Co., Gengola State, NE Nigeria, Nigeria
- Collector: via J. E. Machon
- Date Collected: 1981 Sep
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3766p (Paratype)
Entry Number: 496
- Nematode: Dolichorhynchus prophasmis
- Host: Coffea sp. (Coffee) in/on Soil
- Origin: Chipinga, Zimbabwe
- Collector: via J. E. Machon
- Date Collected: 1981 Mar
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3767p (Paratype)
Entry Number: 497
- Nematode: Helicotylenchus angularis
- Host: Citrus sp. (Citrus) in/on Soil
- Origin: Belize, British Honduras
- Collector: H. J. Fagan via J. E. Machon
- Date Collected: 1970
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3757p & T-3758p (Paratypes)
Entry Number: 498
- Nematode: Ibadanus brevidens
- Host: Zea mays (Maize) in/on Soil
- Origin: Exp. Plot International Institute of Tropical Agriculture, Oyo Road, Ibadan, Nigeria
- Collector: F. E. Caveness via J. E. Machon
- Date Collected: 1974
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3733p (Paratype)
Entry Number: 499
- Nematode: Jamilius filamentosus
- Host: Miscanthus floridulus (Reedgrass) in/on Soil
- Origin: Fiji
- Collector: M. F. Kirby via J. E. Machon
- Date Collected: 1976
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3739p (Paratypes)
Entry Number: 500
- Nematode: Jamilius jamili
- Host: Gossypium hirsutum (Cotton) in/on Soil
- Origin: Jhelum City, Pakistan
- Collector: Jamil Akhtar Siddiqi via J. E. Machon
- Date Collected: 1980 Feb
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3738p (Paratype)
Entry Number: 501
- Nematode: Mesodorylaimellus caei
- Host: Paspalum sp. (70%) (Grasses) in/on Soil
- Origin: near River Caqueta, Araracuara, Amazon Basin, Colombia
- Collector: K. Williamson (Colombian Amazonas Expedition) via J. E. Machon
- Date Collected: 1977
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3730p (Paratype)