ENTOM 201: Quiz 11/23
20 Cards in this Set
| Front | Back |
|---|---|
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How long has flight been around?
|
350 MYA
|
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Define elytra
|
Hardened forewings
|
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Define hemelytra
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Half hard, half soft
|
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Define halteres
|
Highly modified wings
|
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Who has scaled wings?
|
Lepidoptera
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___ provide strength to withstand ___ stress.
|
Wings
Aerodynamics
|
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How do insects move their wings in flight?
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↓ power stroke
↑ recovery stroke
|
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Direct flight muscles
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Red muscles activated
|
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Indirect flight muscles
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Muscles not attached to wings
Flight muscle action on thorax
|
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Angle of attack is based on
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Direction of airflow
|
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Insect flight is not just about
|
Flapping wings
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|
Fly landing on ceiling
|
Momentum to swing the rest of the body to land on the wall
|
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Pests are a ___ concept
|
Arthopocentric
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How do insects become pests?
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New introduction
Abundant concentration of resources
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Attributes to crop monoculture
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Human selected plants
Nutrients and water added
|
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Abiotic
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Temperature
Density
|
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Biotic
|
Competition
Natural enemies
Food
|
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Natural enemies
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Predators
Pathogens
Parasitoids
|
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Food
|
Plant nutrition
Plant defense
|
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Define life tables
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Useful technique for understanding insect population dynamics
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ENTOM 201: Quiz 11/23