Disposition of Sample
Specimens to USDANC (Type)
Nematode
Heterodera
betulae
Host
Betula
nigra
(River Birch)
in/on Root/Soil
Origin
USA
Arkansas
Along the South bank of Middle Fork of White River 1.75 miles upstream fdrom Hwy 16 bridge, east of Fayetteville, Washington Co. (Isolated from greenhouse culture on river birch, Raleigh, North Carolina)
Collector
R. D. Riggs via Hedwig H. Triantaphyllou
Date Collected
1967 Jun 26,29 Aug 29 Sep 14,20 Oct 11
Date Received
1968 Nov 14
Reference
Journal of Nematology (1969) 1 (2): 169-179.
Remarks
*Paratypes. Note: Slides T-1981p to T-1984p (Paratypes) made from vial T-47p in Sept. 1976. Cracked out larvae put into vial T-47p. Slides T-2953p to T-2955p mounted from vial T-47p (Oct. 1981).