Intro to Entomology and IPM

Question 1

Organisms in the most populous phylum in the animal kingdom. They have segmented bodies, paired appendages, an outer exoskeleton, open circulatory system. Insects are a class in the phylum Arthropoda.

Answer 1

Arthropod

Question 2

The process by which an insect changes forms between eggs, immatures and adult stages. These changes can be divided into two categories: simple and complex

Answer 2

Metamorphosis

Question 3

Damage to plant tissue from pesticide volatilization, drift, or direct contact with the plants. Seedlings and herbaceous plants are often more sensitive than woody plants. Direct sunlight and heat can also increase the severity.

Answer 3

Phytotoxicity

Question 4

An organism that lives in or on the host to feed on it and weaken or kill it. Examples are wasps, flies, and nematodes.

Answer 4

Parasitoid

Question 5

An organism that actively seeks, kills, and/or consumes part or all of an insect, mite, or arthropod pest. Common examples are ground beetles, lady beetles, lacewings, and praying mantids.

Answer 5

Predator

Question 6

Which of the following is NOT true about Integrated Pest Management?
A. IPM is defined as a multistep approach to eradicate all pest populations in the garden.
B. Tools for IPM are inexpensive and easy to find.
C. Regular scouting is an important component of successful IPM.
D. The pest must be identified before initiating a management action.
E. Chemical pesticides should be considered an option in an IPM program.

Answer 6

A.

Question 7

What is the process of form changes as an insect develops from eff to adult called?
A. Entomology
B. Metamorphosis
C. Aesthetic threshold
D. Biological controls

Answer 7

B.

Question 8

True or False: Control of a pest problem can be begun without definitive ID of the pest.

Answer 8

False

Question 9

Which of the following is not one of the three body segments of insects?
A. Head
B. Thorax
C. Abdomen
D. Wings

Answer 9

D.

Question 10

A relatively new pest that was first found in west TN but is spreading east. Feeding can weaken plants and reduce aesthetic value. Control can include systemic insecticides or oil or insecticide sprays.

Answer 10

Crape myrtle bark scale

Question 11

A small sap feeding insect that has a wide host range. They can be found outdoors and in the greenhouse and can stress plants by feeding as well as spread viruses.

Answer 11

Green peach aphid

Question 12

A caterpillar that can feed on over 100 species of plants. Immatures pupate in silk bags attached to twigs.

Answer 12

Bag worm

Question 13

A soft-bodied insect that looks like it is covered with flour and produces honeydew. Commonly found on houseplants. Ensuring new plants don’t bring in the pest (sanitation) is an important control step.

Answer 13

Mealybug

Question 14

A pest that is an adult beetle that feeds on a wide range of plants. Feeding occurs on leaf tissue in between the veins. Traps may actually attract these pests to your yard.

Answer 14

Japanese beetle

Question 15

A metallic wood-boring beetle that has been damaging specific tree species since its accidental introduction in 2002. It has been found in TN.

Answer 15

Emerald ash borer

Question 16

Pumpkins and winter squash are common targets of this pest that feeds on stems, leaves, and fruit with piercing-sucking mouthparts.

Answer 16

Squash bug

Question 17

What are the two common types of beneficial arthropods?
A. Predators
B. Ground beetles
C. Parasites
D. Parasitoids
E. Biopesticides

Answer 17

A. and D.

Question 18

Order the six steps (scout, implement management plan, record action, observe results, identify pest, decide on management strategy) of IPM correctly.

Answer 18

1. Scout
2. Identify pest
3. Decide management strategy
4. Implement plan
5. Record action
6. Observe results

Question 19

In which of these ways can some insects be beneficial to the gardener?
A. Some insects aid in the production of fruits, seeds and vegetables by pollinating the blossoms.
B. Some insects destroy various weeds in the same ways they injure desirable plants.
C. Some insects improve the physical condition of the soil and promote its fertility by burrowing throughout the surface layer.
D. Some insects feed on other insects, some of which can be pest insects.
E. All of the above.

Answer 19

E.

Question 20

Which of the following is considered an important predator of insects in the garden?
A. Butterflies
B. Spiders
C. Caterpillars
D. Snails
E. Grasshoppers

Answer 20

B.