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Search the Nematode Collection

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 9385 - 9396 of 41945 records

Entry Number: 9385

  • Nematode: Helicotylenchus microcephalus
  • Host: Dioscorea sp. (Yam) in/on Soil (sandy)
  • Origin: Abakaliki (Near junction Obubta cross River Rd. Ogada village, 4 1/2 miles away from Obubra town), Nigeria
  • Collector: via Fields E. Caveness
  • Date Collected: 1964 Mar 25
  • Date Received: 1967 Mar 13
  • Disposition of Sample: Specimens to USDANC (General)
  • Vials: G-1158g

Entry Number: 9386

  • Nematode: Hoplolaimus pararobustus
  • Host: Dioscorea sp. (Yam) in/on Soil (sandy)
  • Origin: Abakaliki (Near junction Obubta cross River Rd. Ogada village, 4 1/2 miles away from Obubra town), Nigeria
  • Collector: via Fields E. Caveness
  • Date Collected: 1964 Mar 25
  • Date Received: 1967 Mar 13
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-2639
  • Vials: G-1158g

Entry Number: 9387

  • Nematode: Scutellonema bradys
  • Host: Dioscorea sp. (Yam) in/on Soil (sandy)
  • Origin: Abakaliki (Near junction Obubta cross River Rd. Ogada village, 4 1/2 miles away from Obubra town), Nigeria
  • Collector: via Fields E. Caveness
  • Date Collected: 1964 Mar 25
  • Date Received: 1967 Mar 13
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-2638
  • Vials: G-1158g

Entry Number: 9388

  • Nematode: Helicotylenchus microcephalus
  • Host: Dioscorea sp. (Yam) in/on Soil (sandy)
  • Origin: Umuahia (Agricultural Research Station root crop trials fed. Umudike. 4 1/2 miles east away Umuahia town) (Block 1, Plots N2 Po Ko Go), Nigeria
  • Collector: via Fields E. Caveness
  • Date Collected: 1964 Apr 01
  • Date Received: 1967 Mar 13
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-2450
  • Vials: G-1160g

Entry Number: 9389

  • Nematode: Scutellonema clathricaudatum
  • Host: Dioscorea sp. (Yam) in/on Soil (sandy)
  • Origin: Umuahia (Agricultural Research Station root crop trials fed. Umudike. 4 1/2 miles east away Umuahia town) (Block 1, Plots N2 Po Ko Go), Nigeria
  • Collector: via Fields E. Caveness
  • Date Collected: 1964 Apr 01
  • Date Received: 1967 Mar 13
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-2451
  • Vials: G-1158g

Entry Number: 9390

  • Nematode: Helicotylenchus microcephalus
  • Host: Dioscorea sp. (Yam) in/on Soil (sandy)
  • Origin: Umuahia (Agricultural Research Station root crop trials fed. Umudike. 4 1/2 miles east away Umuahia town) (Block IV, Plot 3O H2 Pl Kl Gl), Nigeria
  • Collector: via Fields E. Caveness
  • Date Collected: 1964 Apr 01
  • Date Received: 1967 Mar 13
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-2508
  • Vials: G-1184g

Entry Number: 9391

  • Nematode: Helicotylenchus microcephalus
  • Host: Dioscorea sp. (Yam) in/on Soil (sandy)
  • Origin: Umuahia (Agricultural Research Station root crop trials fed. Umudike. 4 1/2 miles east away Umuahia town) (Block IV, Plot 3O H2 Pl Kl Gl), Nigeria
  • Collector: via Fields E. Caveness
  • Date Collected: 1964 Apr 01
  • Date Received: 1967 Mar 13
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-2509
  • Vials: G-1184g

Entry Number: 9392

  • Nematode: Helicotylenchus microcephalus
  • Host: (Forest trees) in/on Soil (sandy)
  • Origin: Umuahia (3 miles east of forest guide Bende Umuahia Rd., 9 miles east of Umuahia, 14 miles east of Umudike Umuahia township), Nigeria
  • Collector: via Fields E. Caveness
  • Date Collected: 1964 Apr 14
  • Date Received: 1967 Mar 13
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-2487
  • Vials: G-1076g

Entry Number: 9393

  • Nematode: Hemicriconemoides cocophilus
  • Host: (Forest trees) in/on Soil (sandy)
  • Origin: Umuahia (3 miles east of forest guide Bende Umuahia Rd., 9 miles east of Umuahia, 14 miles east of Umudike Umuahia township), Nigeria
  • Collector: via Fields E. Caveness
  • Date Collected: 1964 Apr 14
  • Date Received: 1967 Mar 13
  • Disposition of Sample: Specimens to USDANC (General)
  • Vials: G-1076g

Entry Number: 9394

  • Nematode: Helicotylenchus microcephalus
  • Host: Manihot utilissima (Cassava) in/on Soil (sandy)
  • Origin: Uyo (Department of Agriculture Obio Akpa. 3 miles east of Abak township), Nigeria
  • Collector: via Fields E. Caveness
  • Date Collected: 1964 Apr 13
  • Date Received: 1967 Mar 13
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-2432
  • Vials: G-1055g

Entry Number: 9395

  • Nematode: Scutellonema cavenessi
  • Host: Manihot utilissima (Cassava) in/on Soil (sandy)
  • Origin: Uyo (Department of Agriculture Obio Akpa. 3 miles east of Abak township), Nigeria
  • Collector: via Fields E. Caveness
  • Date Collected: 1964 Apr 13
  • Date Received: 1967 Mar 13
  • Disposition of Sample: Specimens to USDANC (General)
  • Slides: G-2431
  • Vials: G-1055g

Entry Number: 9396

  • Nematode: Xiphinema longicaudatum
  • Host: Manihot utilissima (Cassava) in/on Soil (sandy)
  • Origin: Uyo (Department of Agriculture Obio Akpa. 3 miles east of Abak township), Nigeria
  • Collector: via Fields E. Caveness
  • Date Collected: 1964 Apr 13
  • Date Received: 1967 Mar 13
  • Disposition of Sample: Specimens to USDANC (General)
  • Vials: G-1055g