Pieris rapae
WOWBug
Cabbage White
Butterfly
Kingdom
Animalia
Animalia
Phylum
Arthropoda
”jointed foot”
Arthropoda
Class
Insect
Insect
4 wings
3 body parts
6 legs
2 antennae
Order
Hymenoptera
Hymen = membrane
ptera = wing
Lepidoptera
Lepid = scale
ptera = wing
Examples: beetles, butterflies, flies,
bees, and ants
Complete Metamorphosis
Examples: Grasshoppers, lice, crickets
Incomplete Metamorphosis
Thorax
Head
Head Region
a. Compound Eyes- perceive single image,
- able to see visible spectrum of light
b. Antennae- covered with small pits used
for smelling
- allow butterfly to locate food by scent
Abdomen
c. Proboscis-[mouth] coiled tube that
elongates to obtain water and nutrients
Thorax: 4 wings, 6 jointed legs
a. Wings – contain scales full of pigment, provide color
- scales “dust” that easily detaches to escape predators
- used to determine sex:
females have two spots
males have one spot
male
forewing
hindwing
female
b. Legs – [claw-like] enable butterfly to cling to
perch
- contain hair-like structures, used for
tasting
Cabbage White Butterfly
Forewing
Antennae
Hind Wing
Compound Eye
Proboscis
Abdomen
Legs
Abdomen: consists of 10 segments, houses
most organs of circulatory,
respiratory, reproductive system
a. Spiracles- tiny holes located on side of
abdomen used for exchanging oxygen
and carbon dioxide [6-7 pairs]
b. Heart- muscular tube extends length of
abdomen dorsally, pumps blood toward
head
*open circulatory system- all internal organs
bathed in blood
*Females abdomen larger to house eggs