Wiktionary
black-arched moth
n. 1 Any of several black-and-white species of moths of the ''(taxlink Lymantriinae family noshow=1)'' family. 2 # (taxlink Lymantria monacha species noshow=1) 3 # (taxlink Liparis monacha species noshow=1) 4 # (taxlink Ocneria monacha species noshow=1) 5 # (taxlink Phalaena monacha species noshow=1) 6 # (taxlink Porthetria monacha species noshow=1) 7 # (taxlink Psilura monacha species noshow=1)