Rhyparochromus vulgaris is a common insect belonging to the family Rhyparochromidae. It is commonly known as the common ground bug or the common scentless plant bug. This insect is small in size, measuring around 5-7 mm in length, and is typically brown or gray in color. It can be found in various habitats, including gardens, fields, and forests, where it feeds on plant sap and seeds.