I was out at the Denso Marston Nature Reserve looking for caterpillars on the various grasses.
Although my target species were the leaf-mining members of the Elachista family I was still pleased to find this tortrix larva hiding in spun-together blades of grass on the banks of The River Aire.
I suspect that it is the polyphagous Aphelia paleana but will rear it through to check.
Hi Derek, I'll be interested to see which species you find mining grass. Apart from a couple Elachistas on reeds the only other mines I've found on grasses have been dipterous.The mines seem hard to differentiate from diseased or damaged blades and easily overlooked.
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