The Thalkan are an insectoid race of beings on Thalkas 3. They start out as small flying insects with vemon that cause other beings to go vicious and wild. Their later years is when they grow in size and molt their skin to become intelligent teenagers that are bipedal insect-like beings with four arms, large wings and long antenna with a row of feelers at the end. They have a combination of an exo and endoskeletal structure.