馬うま追おい虫むしうまおいむしMeanings1nounHexacentrus japonicus; Hexacentrus unicolor (katydid species)rare termRare term for a type of katydid; the more common name is 馬追い (うまおい). The kanji 虫 is added to specify the insect.See also: 馬追い馬うま追おい虫むしは、馬うま追おい