Susceptibility of Testacella haliotidea (Testacellidae: Mollusca) to a U.S. strain of Phasmarhabditis hermaphrodita (Rhabditidae: Nematoda)
2022
Donnell, Rory Mc | Colton, A. (Andrew) | Howe, Dana | Denver, Dee
The nematode Phasmarhabditis hermaphrodita is lethal to a wide range of pest gastropod species. In Europe, it is available as a biocontrol agent (Nemaslug®), but its complete host range is yet to be determined. Our data showed that a U.S. strain of this nematode is lethal to the introduced, non-pest, subterranean slug, Testacella haliotidea, which substantiates the broad host range of P. hermaphrodita. These data highlight the need for completing additional testing with both pest and particularly native gastropod species before a decision is made on the use of P. hermaphrodita as a biocontrol agent in the U.S.
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