8/23/2023 0 Comments Spotted lantern fly eggs“The soybean-based oil was effective only when applied at a high rate (50%),” Leach said. Some trade name products include Damoil, JMS Stylet Oil, Hi-Yield Dormant Spray, Monterey Horticultural Oil, Bonide All Seasons Oil. Mineral oil was more effective at killing spotted lanternfly egg masses. There are two main types of oils: Mineral oil and vegetable-based oils. “Citizens are critical partners in helping to slow the spread.” “The more egg masses we destroy now, the fewer we will have to deal with next season,” said Heather Leach, spotted lanternfly extension associate in Penn State’s College of Agricultural Sciences. However, for masses that are within a reachable area, smashing or scraping the eggs will provide greater efficacy than the oil-based products available, he added.Research is continuing this winter to find other potential insecticides and optimize timing to use against egg masses. “The use of oils provides not only a safe, environmentally friendly option but also provides control to some egg masses that are not accessible for physical removal or smashing.” ![]() “Oils, when applied at the correct time and with good coverage, can offer some control of egg masses and have very little effect on nontarget species,” said Greg Krawczyk, an extension tree-fruit entomologist and research associate professor. The research also found that soybean oil had a similar effect when applied at a 50% concentration. When oils were applied at a solution of at least 3%, they were effective in killing up to 75% of treated eggs. Many of these oils are available at local garden centers. These findings suggest that some insecticides containing paraffinic and/or mineral oils – commonly used in fruit systems as insecticides to control soft-bodied insects – are effective in destroying egg masses. ![]() The newer method to deal with spotted lanternfly egg masses was hatched from studies done between February and April in 20. ![]() New research suggests that several oil-based insecticides can be effective in destroying spotted lanternfly egg masses when applied in the weeks before egg hatch.
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