About Megymenum gracilicorne Dallas, 1851
Megymenum gracilicorne Dallas, 1851, commonly called the drab stinkbug or saw-toothed stinkbug, is an insect species belonging to the family Dinidoridae. This species is native to East Asia, feeds on a variety of plants including cucurbits, and has a distinct unusual behavior: females cultivate fungus on their hind legs to protect their eggs from parasitic wasps. Entomologist John Noyes has stated that "this is a unique system, as far as I'm aware". Within East Asia, the confirmed geographic distribution of M. gracilicorne covers Japan, Korea, China, Taiwan, and Hong Kong. Its documented plant hosts include members of the Cucurbitaceae family such as pumpkins and cucumbers, as well as other crop plants like grapes and potatoes.
