Dip:Agromyzidae
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Liriomyza cannabis Hendel, 1931
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makes upper surface mines

 

Food Plant: Cannabis sativa (Cannabis)

Mine: Two generations (Hering, 1957). The mines above were found in June.

Notes: The mine starts with a spiral and then becomes more or less straight, mining the upper leaf surface(as shown). Frass strings are also evident. The mine looks very similar to L.eupatorii, but in the latter the initial spiral is larger. Future DNA analysis may synonomise these species. This species was first notified to the Plant Health and Seed Inspectorate (APHA) in June 2016 although it seemed to have been present under glass, at secure sites under Home Office license, for 18 months.

Data: vi.2016, photographed David Crossley

Image:©Fera-Science Limited

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