Mastotermes is the most primitive of termites, sharing characteristics with the Cryptocercus wood roaches, social cockroaches that share a common ancestor with all termites. Several extinct species of Mastotermes are known from the fossil record. Many extinctions are relatively recent, occurring several million years ago. The northern Australian species, Mastotermes darwiniensis, is the only extant species.
Like Cryptocercus, Mastotermes makes nests by…
Source: Living With Insects Blog