chrysalis

Intermediary stage between the caterpillar and the butterfly; the limbs and internal organs develop during this stage.

mesothorax

Embryo that will become the central segment of the thorax; the middle legs and front wings are attached to it.

prothorax

Embryo that will become the first segment of the thorax; the front legs are attached to it, but not the wings.

antenna

Embryo that will become the sensory organ; it has several segments and its functions are mainly tactile and olfactory.

metathorax

Embryo that will become the terminal segment of the thorax; the legs and rear wings are attached to it.

wing

Embryo that will become the organ of flight; it is attached to the thorax.

abdomen

Posterior portion of the chrysalis’s body.

spiracle

Respiratory orifice located on the lateral portion of the thorax and the abdomen.

cremaster

Affixing element having one or more hooks; it is located at the posterior terminal end of the chrysalis’s body.