Italy: Brown marbled bug becomes a threat to hazelnuts due to global warming

Three years after the appearance in the garden, the brown-marble bug displaces other types of shield insects and, without control, significantly reduces the yield and quality of the hazelnut. The use of insecticides to control the brown marble bug on hazelnuts should be correlated with the most vulnerable stages of the fruit, Italian scientists advise. That brown marble bug infestation is on the rise worldwide, posing a threat to the walnut industry, was reported by a team of Italian researchers in an article published in the journal Horticulturae 2023 on the MDPI portal, with recommendations to adjust insecticidal treatments: “One of the main results of global warming is the change ecological niche of various species, including pests of agriculture and forestry. In parallel, the spread of alien invasive species is facilitated by the import-export of goods and the movement of people. Italy is particularly vulnerable to biological invasions due to its many entry points such as ...