What is the biggest roach?
Megaloblatta is a genus of cockroaches in the family Ectobiidae. It includes the largest living species of cockroach, Megaloblatta longipennis, which can grow to 9.7 centimetres (3.8 in) in length and have a wingspan of up to 20 centimetres (7.9 in). How big is the world's largest cockroach? The world's largest winged cockroach is Megaloblatta longipennis found in Peru, Ecuador and Panama. A preserved female in the collection of Akira Yokokura of Yamagata, Japan, measures 97 mm (3.