Meaning, Classification of Insects and Pests with Examples Agricultural Science Primary 2 Second Term Lesson Notes Week 2
Subject: Agricultural Science
Class: Basic 2 / Primary 2 / Year 2
Term: Second Term / 2nd Term
Week: Week 2
Topic:
Insect Pests: Meaning, Classification of Insects with Examples
Previous Knowledge: The pupils have previous knowledge of
that was taught in their previous lesson.
Behavioural Objectives : At the end of the lesson, learners will be able to
- Say the meaning of insect pest
- Write out the classification of insect pest
- Give examples of Insects under these categories
Instructional Materials
- Wall Charts showing types of pest
- Online Resource
- Textbooks
- Scheme of work
- 9- Year Basic
Methods of Teaching
- Role modelling
- Questions and Answers
- Explanation
- Discussion
- Recitation
- Imitation
- Story Telling
- Dramatization
Content:
Insects are small tiny living things that are found almost everywhere. Some of them have wings while some of them do not have wings. Some Insects can fly while some cannot fly.
Some Insects are not harmful. They are good Insects and they are farmer’s friends. Examples of good Insects that are not harmful are butterfly, bee etc
Some Insects are dangerous and harmful. These Insects are enemies to farmers. Farmers do not like these Insects because they destroy farmer’s produce and harvest. Examples of bad harmful Insects are termites, grasshoppers etc.
Classification of Insects with Examples
- Piercing and sucking Insects . These insect bite and suck their victims. Examples are thrips, moth, scale insects, capsids, green spider mites etc.
- Biting and chewing Insects . Examples are grasshoppers, termites, mantis, army worms, caterpillars
- Boring Insects . Examples are weevils, stem borers, beetles, cotton boll worm etc
MEANING, TYPES AND CLASSIFICATION OF PESTS
The Major Division of An insect body
The three major division of an insect is of three division which are
- The Head : The head contains the eyes, the antenna, the feeler and the mouth
- The Thorax : The thorax is just like a comparison to human chest. It is the major link or attachment between the head and the abdomen.
- The Abdomen : The abdomen house the wings, and the legs. It is not all Insects that have wings. Some Insects do not have wings. All Insects have three pairs of legs on each side of the abdomen, making it a total of six legs in all.
Note
A spider is not classified as an insect because it does not have three body division segment nor six legs. A spider has two body division and eight legs. A spider is classified as an arthropod.
Presentation:
The topic is presented step by step
Step 1: The class teacher revises the old topic
Step 2: The class teacher introduces the new topic
Step 3: The class teacher allows the pupils to give their own contributions and gives room for pupils” participation
Class Teacher and Pupils Activities. Interaction or Participation
This involves class teacher and pupils’ interaction, conversation, imitation or modeling through discussion, play method or just by recitation or asking and answering questions that are related to the topic that has just been taught.
Evaluation
Objectives
- Insects are small, tiny living things that are found ____________. (a) Anywhere (b) Nowhere (c) Everywhere (d) Somewhere
- Some Insects can __________ while some cannot. (a) Swim (b) Fly (c) Walk (d) Jump
- Good Insects are ________ to farmers. (a) Enemies (b) Friends (c) Strangers (d) Relatives
- Bad harmful Insects are ________ to farmers. (a) Friends (b) Helpers (c) Enemies (d) Companions
- Examples of good Insects are __________ and bee. (a) Butterfly (b) Grasshopper (c) Mosquito (d) Ladybug
- Examples of bad harmful Insects are __________ and grasshoppers. (a) Butterfly (b) Termites (c) Ants (d) Beetles
- ________ Insects bite and suck their victims. (a) Boring (b) Piercing and sucking (c) Biting and chewing (d) Flying
- Examples of biting and chewing Insects are __________. (a) Bees (b) Termites (c) Grasshoppers (d) Butterflies
- Examples of boring Insects are ___________. (a) Beetles (b) Moths (c) Weevils (d) Ants
- The head of an insect contains the eyes, the antenna, the feeler, and the __________. (a) Nose (b) Mouth (c) Ears (d) Hair
- The thorax is like a comparison to the human ________. (a) Head (b) Chest (c) Abdomen (d) Legs
- The abdomen houses the wings and the ________. (a) Eyes (b) Ears (c) Legs (d) Tail
- Not all Insects have __________. (a) One pair of legs (b) Two pairs of legs (c) Three pairs of legs (d) Four pairs of legs
- A spider is not classified as an insect because it does not have three body __________. (a) Heads (b) Divisions (c) Tails (d) Legs
- A spider is classified as an __________. (a) Mammal (b) Insect (c) Arthropod (d) Amphibian
Theory
- Mention one biting insect
- Mention one boring insect
- Mention one piercing insect
- Mention the three division of the body of an insect
- How many legs do Insects have in all
Previous Lesson
Second Term Agricultural Science Primary 2
Primary 1 First Term Scheme of work With Lesson Notes Agricultural Science
