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 505 - 516 of 41945
Entry Number: 502
- Nematode: Mesodorylaimellus cylindricus
- Host: Heliconia sp. (Heliconia) in/on Soil
- Origin: Araracuara, Andoche region, 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-3731p (Paratype)
Entry Number: 503
- Nematode: Moshajia cultristyla
- Host: Oryza sativa (Rice) in/on Soil
- Origin: Ibadan, Nigeria
- Collector: via J. E. Machon
- Date Collected: 1968
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3751p (Paratype)
Entry Number: 504
- Nematode: Moshajia idiofora
- Host: Solanum tuberosum (Potato) in/on Soil
- Origin: Limbe, Malawi
- Collector: via J. E. Machon
- Date Collected: 1968
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3750p (Paratype)
Entry Number: 505
- Nematode: Nigronchus parvus
- Host: (Bush) in/on Soil
- Origin: 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-3740p (Paratype)
Entry Number: 506
- Nematode: Nullonchus levistomus
- Host: (Forest*) in/on Soil
- Origin: Araracuara, Amazonas, Colombia
- Collector: Kate 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-3746p (Paratype)
Entry Number: 507
- Nematode: Pachydorylaimus furcatus
- Host: (Forest (primary)) in/on Soil
- Origin: Andoche Region, South of River Caqueta, Amazonas, Colombia
- Collector: Kate 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-3718p & T-3719p (Paratypes)
Entry Number: 508
- Nematode: Pachydorylaimus longicaudatus
- Host: (Rain forest (primary)) in/on Soil
- Origin: Vincente, South of River Caqueta, Amazonas, Colombia
- Collector: Kate 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-3720p (Paratype)
Entry Number: 509
- Nematode: Pachydorylaimus notabenus
- Host: (Rain forest (primary)) in/on Soil
- Origin: Andoche, Amazonas, Colombia
- Collector: Kate 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-3721p & T-3722p (Paratypes)
Entry Number: 510
- Nematode: Pachydorylaimus pachyvulvus
- Host: (Forest (primary)) in/on Soil
- Origin: Araracuara, Amazonas, Colombia
- Collector: Kate 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-3723p & T-3724p (Paratypes)
Entry Number: 511
- Nematode: Paratrophurus acristylus
- Host: Triticum aestivum (Wheat) in/on Soil
- Origin: Al'Azizia, Libya
- Collector: Z. A. Siddiqi via J. E. Machon
- Date Collected: 1980
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3759p (Paratype)
Entry Number: 512
- Nematode: Paratylenchus tui
- Host: Alphitonia zizyphoides (Tree (small, indigenous)) in/on Soil
- Origin: Coast Rd., 1 mile SW of Tefisi Village, Island of Vava'u, Tonga
- Collector: K. J. Orton Williams via J. E. Machon
- Date Collected: 1976 Aug 12
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3764p (Paratype)
Entry Number: 513
- Nematode: Peltamigratus annulatus
- Host: (Unknown plant) in/on Soil
- Origin: Isluga, Iquique Province, Chile
- Collector: Maurice Jimenez Roco via J. E. Machon
- Date Collected: 1976
- Date Received: 1986 May 07
- Disposition of Sample: Specimens to USDANC (Type)
- Slides: T-3755p & T-3756p (Paratypes)