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Published online by Cambridge University Press: 31 May 2012
The larva of this beautiful geometric moth is dark brown, and feeds on beech. The specimens, from which the subjoined description was made, were taken on the 10th of September, by beating the branches of some beech trees over an umbrella.
Length one inch, body cylindrical.
Head medium sized, bilobed, dark brown, with two bluish-white lines in front; mandibles paler.
Body above, dark brown, with a row of dull white dots on each side, one or two on each segment, most prominent from fifth to eighth segments inclusive, less distinct towards each extremity.