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Cerodontha luctuosa (Meigen, 1830)
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initial cryptic mine
the leaf turns red as the mine matures


Food Plant: Juncus effusus (Soft Rush)

Mine: Summer, Autumn

Notes: Makes a long broad mine, which initially is cryptic in colouration (top photo); As the mines mature the leaf is stained red (bottom photo). The larva is yellowish and pupates in the mine. The puparium is yellowish in the early generation and reddish-brown in the later, overwintering, generation. A widespread species.

Data: 30.x.2017, Willerby, East Riding of Yorkshire, VC61

Image:© Barry Warrington

sponsored by Colin Plant Associates (UK) LLP/Consultant Entomologists