Rhyparochromidae includes two subfamilies, more than 420 genera, and over 2,100 described species. Rhyparochromidae are small and generally brown or mottled. The fore femora are often enlarged. The name Rhyparochromidae comes from the Greek words rhyparos, meaning “dirt”, and chromus, meaning “color”. The Rhyparochromidae were previously classified as a subfamily of Lygaeidae.