Optera
From Tardis Wiki, the free Doctor Who reference
Biology
Intelligent insects resembling humanoid woodlice, with a heavy carpace and six arms. Guttural and primitive, the Optra were actually descendants of Menoptra who chose to live underground, losing their wings and gaining the characteristics necessary for subterranean life.
Technology
The only known tech. of the Optra is a spear.
Notes
The Optra are devolved versions of the Menoptra.