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 Blank

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 Blank

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 Blank

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 Blank

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 Blank

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?