Main's ground gecko  Main's ground gecko ("Lucasium maini" ) is a species of gecko, a lizard in the family Diplodactylidae. The species is endemic to Australia. The specific name, "maini", is in honor of Australian ecologist Albert "Bert" Russell Main. "L. maini" is found in the southern part of the Australian state of Western Australia. The preferred habitats of "L. maini" are arid and semi-arid regions. "L. maini" is oviparous.