Entomology

Question 1

What is a parasitoid?

Answer 1

A parasite on a parasite

Question 2

How do insects impact the economy?

Answer 2

• Mortality: Reduce growing trees
• Delay stocking levels: Delay reproduction of trees with seeds, cones and seedlings
• Reduce leaf volume
• Deterioration: Loss of product value
  Benefit with pollination

Question 3

What insect group refers to butterflies and moths?

Answer 3

O. Lepidoptera

Question 4

What is special about the Green comma butterfly species?

Answer 4

The Green comma butterfly has a forest floor camo

Question 5

What species of butterfly is endangered?

Answer 5

Monarch

Question 6

Where do most butterfly species live?

Answer 6

Clearcuts and meadows

Question 7

What are some of the moth species that are considered pests?

Answer 7

Spruce budworm, Light eastern tent moth

Question 8

What insect group refers to beetles?

Answer 8

O. Coleoptera

Question 9

What is the name for family of ground beetles?

Answer 9

Carabidae

Question 10

What is the name for family of long horned beetles?

Answer 10

Cerambycidae

Question 11

Name an invasive beetle species

Answer 11

Asian longhorned beetle (Anoplophora glabripennis) is invasive to spruce and fir in Nova Scotia.

Question 12

What insect group refers to bees, wasps, ants and sawflies?

Answer 12

O. Hymenoptera

Question 13

What insect group refers to aphids, adelgids, leafhoppers and true bugs?

Answer 13

O. Homoptera-hemiptera

Question 14

What insect group refers to grasshoppers, katydids and walking sticks?

Answer 14

O. Orthoptera

Question 15

What insect group refers to flies and mosquitos?

Answer 15

O. Diptera

Question 16

What insect group refers to termites?

Answer 16

O. Isoptera

Question 17

How do insects cause damage?

Answer 17

By eating and nest damage because insects are leaf miners

Question 18

What species of insect is invasive in Fredericton/Oromocto?

Answer 18

Emerald Ash Borer

Question 19

What are the three approaches to insect control?

Answer 19

• Natural control factors: Weather, natural predators
• Cultural Controls: Resistance, stand management, chemicals
• Mechanical Control: Physically cut stuff down and plant more resistant tree species (E.g. Longleaf pine resistant to bark beetles so we plant more of them)

Question 20

What is a buffer zone when referring to invasive species in a forest?

Answer 20

Planting resistant tree species in between other trees to buffer out the transfer of invasive species.

Question 21

What are the methods environmental managers use for invasive species control?

Answer 21

Detection, Identify, Forecast, Asses, Recommendations and Management. (DIFARM)

Question 22

What is spruce budworm?

Answer 22

Native to NB, they come in cycles and go through larval stages.

Question 23

What questions do we have to ask when looking at invasive species?

Answer 23

What keeps density low? why is it rising? how can we limit the population? what causes a collapse in population?

Question 24

What are the two parts of the oscillatory hypothesis?

Answer 24

1) Survival and Reproduction: As budworm population decline, natural enemy population collapses allowing others to rise
2) Immigration: Does not contribute to overall growth
(SaRI)

Question 25

What is the epicentre hypothesis?

Answer 25

Immigration creates localized areas with increased populations

Question 26

Why do we know so little about low density populations?

Answer 26

Because there is no funding for it. The government does not care unless it is an issue and of public concern