Post on 05-Jan-2016
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.