Spotted Lanternfly in Vineyards: Management Considerations
Spotted Lanternfly in Vineyards: Management Considerations
Length: 00:02:55 | Flor Edith Acevedo, Michela Centinari, Ph.D., Cain Hickey
This video explores how vineyard growers can make economic decisions about when and how to manage spotted lanternfly (SLF). It highlights the importance of setting insect thresholds, ongoing research, and cultural practices like host plant removal and trap trees. While natural enemies like mantises and spined soldier bugs offer limited control, effective vineyard management can help minimize SLF stress. Learn how combining timely action with economic insights supports long-term vine health and crop value.
This material is based upon work supported by USDA/NIFA under Award Number 2021‐70027‐34693.
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- A critical question in insect management is how many insects per plant should trigger management actions?
To answer, this, research is required to measure the damage that the pest causes, the decrease in yield and fruit quality, the cost of managing the pest, and the crop value.
It is an economic decision that considers the value of the crop and the cost of managing the pest.
Our team is currently working on developing economic thresholds for SLF management in beneath vineyards.
In the meantime, infestations larger than 20 adults per vine should be controlled.
Ongoing work is focused on developing and testing natural enemies for SLF control.
A recent study found that mantises and spined soldier bugs prey on SLF, but they are unlikely to control the populations to the extent needed to eliminate SLF as a problem.
A cultural practice associated with SLF management involves removing host plants near vineyards, particularly the tree of heaven, which is SLF's preferred host and an invasive species in the US.
There is some controversy on whether tree of heaven should be eliminated, and the outcomes might vary on the number of trees present and SLF infestation levels, among others.
For example, some farmers have opted to use the trap tree approach by keeping a tree of heaven and treating it with a systemic insecticide in hopes that SLF will be attracted to the tree, ingest the insecticide, and be killed.
Lastly, in vineyards and other perennial crops, stress can be caused by numerous factors that are additive over time.
Therefore, implementing timely and fundamental vineyard management practices should optimize plant health and reduce the negative impacts of low to moderate SLF fielding should it occur.
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