Ground bug or groundbug is a term that has not been used with a great deal of precision. It has been used to refer to the following Pentatomorpha: * the lygaeoid bugs (Lygaeoidea): * Heterogastridae, for example Heterogaster urticae (Fabricius, 1775) - the "Nettle Ground Bug" * Lygaeidae * Piesmatidae * Others: * Cydnidae more commonly known as the "burrowing bugs", and some as "ground pearls", but notably Microporus nigrita - "Black Ground Bug" * Dipsocoridae, known as the "jumping ground bugs"