Dip:Agromyzidae
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Phytomyza scotina Hendel, 1920
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MAY CLOSELY FOLLOW THE LEAF EDGE

Food Plant: Salvia nemorosa 'May Night'

Mine: May (Hering (1957) gives June as well)

Notes: The mine starts as a narrow gallery, which then often follows the leaf margin. It is just as often compressed into a small place. The mines may be upper or lower surface although these in York were found to be upper surface. The frass is in grains which may be close together and so looking like pearl strings. There are no primary or secondary feeding lines which distinguish it from Phytomyza salviae. This was first discovered in the UK by Barry Warrington in 2017.

Data: 26.v.2017, Yorkshire Museum Gardens, York, North Yorkshire, VC62

Image:© Barry Warrington

Recording Grade: 3

References:
Hering, M (1957) - Bestimmungstabellen der Blattminen von Europa.
Warrington, B (2017), Phytomyza scotina Hendel (Diptera, Agromyzidae) new to Britain. – Dipterists Digest 24: 157-160.

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