abdomen: the stomach
The stomach

antennae: sensitive feelers of a butterfly
Sensitive feelers of a butterfly.

Caterpillar: larva of the butterfly
Larva of the butterfly.

Chrysalis
This is a hard shell. Inside of the chrysalis is the butterfly

Host Plants
The plants the eggs are laid on are called this.

Lepidopterists
People who study about the butterflies

Nectar
A sweet substance secreted by plants.

Proboscis
A tube like long flexible tongue

Pupa
Inside the chrysalis the body of the butterfly is formed. This stage is called the pupa stage.

Thorax
The body part that has the heart and lungs and other structures passing between the neck and the abdomen.