An insecticide designed to control large pine weevils has been given full approval in the UK to provide essential protection to the Siberian pine and other threatened species.
Lanzarta has been approved for use in tree nurseries and forestry following a preliminary emergency authorisation granted last year.
This pest (scientific name: Hylobius abietis) is a serious threat to forest plantations in the UK, where Sitka spruce makes up a significant proportion of commercial forests.
”Weevil infestations can occur from late spring to late fall, with multiple generations of weevils hatching from infested stumps,” said Sarah Hughes, forestry manager at Syngenta (Lanzarta’s parent company). “Climate change indicators suggest that insect activity typically begins earlier and lasts longer in warmer climates.”
”Pre-treating the nursery with Lanzata provides excellent protection during the early stages of development, and precise application ensures coverage of all plants.”
”The application of this product in forests can be an additional measure to prevent stress caused by weevils (Hylobius) at later stages of growth, or to provide protection in subsequent years, depending on the risks that arise.”
Confor, the industry group that led the campaign for the emergency mandate last year, said Richard Hunter, its regional manager for Scotland, said: “This is a significant boost for UK industry in continuing to fight the widespread and destructive pine weevil, as it provides more tools to help.”
“As part of the Hylobius industry research program, Confor is pleased to be an applicant for emergency authorization in 2025 and to achieve excellent results in collaboration with Syngenta.”
”As the industry continues to explore different methods for controlling sea scaly moth larvae, we recognize that a fast-acting insecticide will be needed for many years to come.”
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Post time: Apr-08-2026