Insect Identification Introduction

Multiple Choice

Why is it important to be able to identify different types of insects in agriculture?

• To improve crop yields and prevent damage

• To increase the number of insects in the field

• To make the field look more colorful

• To attract more birds

Open Ended

Describe the life cycle and key identification features of the Alfalfa weevil.

Fill in the Blanks

The bean leaf beetle is identified by a black

behind the head on its wing covers.

Open Ended

Describe the key identification features of the blister beetle.

Multiple Choice

Which of the following insects undergoes complete metamorphosis?

• Aphid

• Armyworm larva

• Assassin bug

• Chinch bug

Multiple Choice

Which of the following insects causes destruction of fruit or flowers as part of its economic impact?

• Corn earworm larva

• Corn rootworm larva

• Flea beetle

• Cricket

Multiple Choice

Which of the following insects undergoes incomplete metamorphosis?

• Corn earworm larva

• Cricket

• European corn borer larva

• Flea beetle

Fill in the Blanks

The European corn borer larva can be identified by two distinct light brown spots on top of each

segment.

Multiple Choice

What is a key distinguishing feature of the corn flea beetle compared to the other insects shown?

• It has enlarged hind legs and can jump long distances.

• It is flesh-colored with brown spots.

• It has alternating light and dark stripes.

• It is active at night.

Multiple Choice

Which of the following insects is a cosmopolitan pest of stored grain and undergoes complete metamorphosis?

• Grain weevil

• Grasshopper

• Green lacewing

• Honeybee

Fill in the Blanks

The life cycle of the

involves incomplete metamorphosis.

Open Ended

What are the key identification features of the Japanese beetle?

Multiple Choice

Which insect is characterized by larvae that are dark in color, alligator-like, and often have gray or black with yellow or orange bands or spots?

• Lady beetle larva

• Green lacewing

• Honeybee

• Grain weevil

Multiple Select

Which insects listed do not cause economic damage but instead provide beneficial roles in agriculture?

• Green lacewing

• Honeybee

• Lady beetle larva

• Grasshopper

Fill in the Blanks

The larvae of the western grapeleaf skeletonizer eat grape leaf tissue, leaving only

behind.

Multiple Choice

What is a key identifying feature of the Mexican bean beetle?

• Yellowish with black and purple bands

• Round and orange-brown with 16 black spots

• Wedge-shaped with large eyes

• Covered by a waxy shell

Multiple Choice

Which pest is not an insect and has 4 pairs of legs?

• Leafhopper

• Scale

• Spider mite

• Spittlebug

Multiple Choice

Which of the following pests undergoes complete metamorphosis during its life cycle?

• Leaf skeletonizer

• Leafhopper

• Scale

• Spider mite

Fill in the Blanks

The Alfalfa weevil undergoes

metamorphosis during its life cycle.

Open Ended

What are the key identification features of the Alfalfa weevil in both its larva and adult stages?