ShodaiMosuLarva

The ShodaiMosuLarva (初代モス幼虫, ShodaiMosuYōchū) is the Mothra Larva puppet used in the 1961 Toho film, Mothra, as well as the 1964 and 1968 Godzilla films, Mothra vs. Godzilla, Ghidorah, the Three-Headed Monster and Destroy All Monsters.

Name
In Mothra, the ShodaiMosuLarva's name comes from shodai (初代), meaning first generation, Mosu, from Mothra's Japanese name, Mosura (モスラ), and Larva, from the fact that it is a design for Mothra's Larva form.

In Mothra vs. Godzilla, the GojiMosuImago's name comes from another 's name, Godzilla (ゴジラ, Gojira), Mosu, from Mothra's Japanese name, Mosura (モスラ), and Larva, from the fact that it is a design for Mothra's Larva form.

In Ghidorah, the Three-Headed Monster, the SanDaikaijuMosuLarva's name comes from the film's Japanese title, specifically san daikaiju (三大怪獣), meaning three giant monsters, Mosu, from Mothra's Japanese name, Mosura (モスラ), and Larva, from the fact that it is a design for Mothra's Larva form.

In Destroy All Monsters, the SoshingekiMosuLarva's name comes from the film's Japanese title, specifically sōshingeki (総進撃), meaning attack of the marching [monsters], Mosu, from Mothra's Japanese name, Mosura (モスラ), and Larva, from the fact that it is a design for Mothra's Larva form.

Detail
This suit was remote controlled and its eyes were blue lamps. It had a slender design. In Mothra vs. Godzilla, the puppet was a little fatter and its eyes had a different design. In Destroy All Monsters, the puppet was painted darker and its eyes were painted red. The puppet is also known as GojiMosuLarva (ゴジモス幼虫, MosuYōchū) in Mothra vs. Godzilla, SanDaikaijuMosuLarva (三大怪獣モス幼虫, SanDaikaijuMosuYōchū), in Ghidorah, the Three-Headed Monster and SoshingekiMosuLarva (総進撃モス幼虫, Sōshingeki MosuYōchū) in Destroy All Monsters.

Trivia

 * During some scenes, like when Mothra bites onto one of King Ghidorah's tails in Ghidorah, the Three-Headed Monster, the ShodaiMosuLarva was lifted by a wire.