Bell Ringer• Define what is meant by pest.

• Name two pest management practices used in Agriculture

Insects in Agriculture

Agriscience Mr. Bailey

What’s wrong with this picture?

Agricultural Pest• Pest - troublesome or annoying thing

or an organism that is destructive to another organism

• Examples

What are insects defined as?

• Insect

• An animal with three distinct body parts; head, thorax, and abdomen

Why are insects harmful to Agriculture?

• Insects eat our crops

• ParasitesoCarry diseases that harm livestock and

humans as well

How are insect beneficial?• Some insects are considered beneficial • They eat the harmful insects and/or help

in pollination of many plantsLadybugsPraying mantisLacewingsGround BeetlesHoneybee

How are harmful insects controlled?• Insecticides

• Traps (used to determine pest population, pest identity, and to reduce the number of pests.)

• Biological control

Insects Life Cycle• Two basic kinds of life cycles in insects

• Some (for example crickets) have three phases: egg-nymph-adult

• Others (for example wasps and flies) have four phases: egg-larva-pupa-adult

Insect handout • Be able to label the body part based on the

definition for the insect.

Exit Slip 1. Explain how insects are harmful in the Agriculture industry.

2. Explain how insects are helpful in the Agriculture industry.