The world's heaviest cockroach is the Australian giant burrowing cockroach Macropanesthia rhinoceros, which can reach 9 centimetres (3 1⁄2 in) in length and weigh more than 30 grams (1 oz).[20] Comparable in size is the Central American giant cockroach Blaberus giganteus.[21] The longest cockroach species is Megaloblatta longipennis, which can reach 97 mm (3 7⁄8 in) in length and 45 mm (1 3⁄4 in) across.[22] A Central and South American species, Megaloblatta blaberoides, has the largest wingspan of up to 185 mm (7 1⁄4 in).[23]