Chloroclysta siterata, the red-green carpet, is a moth in the family Geometridae.
The larva is very long and slender, the thorax slightly less thin, the anal points well developed.
The pupa is slender, yellow-brown with a delicate purple bloom, dotted with black; cremaster darker.
[1][2] Similar species: Adults are similar in appearance to the autumn green carpet (Chloroclysta miata) but C. miata has a pale central band, grey hindwings and no red tinge.
The larva feeds on Populus tremula, Salix caprea, Quercus robur, Quercus petraea, Quercus rubra, Chaenomeles japonica, Sorbus aucuparia, Rosa canina, Rosa vosagiaca, Prunus serrulata, Acer pseudoplatanus, Frangula alnus and Tilia (linden).