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Orientus ishidae (Matsumura, 1902) - (mosaic leafhopper)
This leafhopper is native to eastern Asia and has been accidentally introduced into North America before world war II and more recently into Europe (first record in Italy in 1998). It is polyphagous and feeds on a variety of woody plants, especially broad-leaved trees. The host plants include forest trees like oak, willow or poplar, but also grapevine and fruit trees like apple or plum. Outbreaks can cause yellowing and stunting, but it is probably more important as a vector of phytoplasma diseases (e.g. see Lessio et al., 2016).
The adults are around 6 mm long with a mosaic of black lines and marks, alternating with patches of light brown and cream. There is one generation per year and the eggs are the overwintering stage and are inserted into leaves.