Download Insect Study Guide

This is NOT homework… use this to prepare for our Insect Test on Wednesday,
September 10th.
o Insects have 3 body parts. They are head, thorax, and abdomen
o What group do insects belong to? Invertebrates, no back bone
o A spider is not an insect.
o The legs of an insect are connected to the thorax. An insect has 6 legs.
o The insect has an exo skeleton. (hard outer shell)
o Shedding of the skin is called molting.
o A monarch butterfly eats milkweed leaves.
o Where do butterflies go when cold weather comes? Mexico or southern California, south
to warmer weather
o During the pupa stage a caterpillar moths spin a cocoon and butterfly larva turn into a
chrysalis.
o Insects help flowers by pollenating them.
o How are insects helpful?
o
o
o
o
Eat other harmful insects
Pollenate flowers
Make honey or spin silk
Clean up decayed wood in the forest
o How are insects harmful?
o Spread diseases
o Destroy crops, plants, trees
o Destroy wood
 Give the stages of complete metamorphosis. What insects go through complete
metamorphosis?
o
o
o
o
Egg
Larva
Pupa
Adult
o Butterflies, beetles and flies go through complete metamorphosis.
o Give the stages of Incomplete metamorphosis. What insects go through incomplete
metamorphosis?
o Egg
o Nymph
o Adult
o Grasshoppers, dragonflies, and lady bugs go through incomplete metamorphosis.
o Five differences between Moths and Butterflies are.
Butterflies
Fly during the day
Moths
Fly at night
Long, slender bodies
Fat, furry bodies
Knobs on antennae
Feathery antennae
with no knobs
Fold their wings back Wings open when
when resting
resting
Chrysalis when in pupa Cocoon when in pupa
stage
stage
Draw and label a butterfly’s lifecycle.
Egg
Adult
Larva
Pupa