Lomographa temerata greatly in intensity and always leaves free (at least in part) a broad white dentate subterminal line. On the hindwings there is also a small black central spot and weakly marked gray bands. The black spots on the upperside of the wings appear also on the undersides. Grown caterpillars are green and have a yellow or reddish often interrupted line on the back. Pupae are brown. These moths fly from May to June in one generation. . The larvae feed on the leaves of various trees, including hawthorn ("Crataegus monogyna"), blackthorn "Prunus spinosa", wild cherry ("Prunus avium"), bird cherry ("Prunus
Prunus subg. Padus "Padus" is polyphyletic and is therefore invalid as a genus, subgenus or anything else. In Finland and Sweden, the blooming of bird cherry ("Prunus padus", Finnish "tuomi") signifies the start of the summer for many people. In southern Finland, this normally takes place during the two last weeks of May or very early June. North Dakota State University agriculture information page about "Prunus virginiana" Prunus subg. Padus Prunus" subg. "Padus (bird cherries) is a subgenus of "Prunus", characterised by having deciduous leaves, flowers 12-30 together on slender racemes produced in late spring well after leaf emergence, and small, sour fruit