Entomology Chapter 7 questions with verified answers
How many species of insects have been described? Ans✓✓✓ 1 million
How many species of insects have not been described? Ans✓✓✓ 30
million
How should immature insects be preserved? Ans✓✓✓ in alcohol
Insects, spiders, crayfish and millipedes belong to which phyla?
Ans✓✓✓ Anthropoda (pg 150)
List three physical characteristics of insects. Ans✓✓✓ 1) body
segmentation 2) Paired segmented appendages 3) wings are found only
on adults 4) the body is supported by an exoskeleton
Name 4 characteristics that distinguish insects from other anthropods.
Ans✓✓✓ 1) three distinct body: regions, head, thorax, abdomen 2)
three pairs of legs 3 )certain mouthpart components, and 4) genital
opening on the end of the abdomen.
What are insects doing when most insect damage in the flower and
vegetable garden happens? Ans✓✓✓ Feeding
, What are lady beetle larvae and adults are well known as? Ans✓✓✓
predators
What are the fleshy abdominal legs of certain insect immature life
stages called? Ans✓✓✓ prolegs
What are three reasons it is important to understand the stages of an
insect pest's life cycle? Ans✓✓✓ 1) Control methods and effectiveness
vary according to the stage of development 2) not all stages cause
damage 3) an insect may appear very different in each stage
What does abiotic mean? Ans✓✓✓ nonliving entities that can affect
the ecosystem. These entities do not grow, reproduce or spread from
plant to plant.
What insects belong to the order Hemiptera (piercing-sucking) ?
Ans✓✓✓ stink bugs, plant bugs, squash bugs, boxelder bugs (aphids,
scale insects, cicadas, leafhoppers, whiteflies)
what is an example of a beneficial insect? Ans✓✓✓ assassin bug (feeds
on cockroaches and bedbugs)
What is an example of a common "non-insect" pest? Ans✓✓✓ tick
How many species of insects have been described? Ans✓✓✓ 1 million
How many species of insects have not been described? Ans✓✓✓ 30
million
How should immature insects be preserved? Ans✓✓✓ in alcohol
Insects, spiders, crayfish and millipedes belong to which phyla?
Ans✓✓✓ Anthropoda (pg 150)
List three physical characteristics of insects. Ans✓✓✓ 1) body
segmentation 2) Paired segmented appendages 3) wings are found only
on adults 4) the body is supported by an exoskeleton
Name 4 characteristics that distinguish insects from other anthropods.
Ans✓✓✓ 1) three distinct body: regions, head, thorax, abdomen 2)
three pairs of legs 3 )certain mouthpart components, and 4) genital
opening on the end of the abdomen.
What are insects doing when most insect damage in the flower and
vegetable garden happens? Ans✓✓✓ Feeding
, What are lady beetle larvae and adults are well known as? Ans✓✓✓
predators
What are the fleshy abdominal legs of certain insect immature life
stages called? Ans✓✓✓ prolegs
What are three reasons it is important to understand the stages of an
insect pest's life cycle? Ans✓✓✓ 1) Control methods and effectiveness
vary according to the stage of development 2) not all stages cause
damage 3) an insect may appear very different in each stage
What does abiotic mean? Ans✓✓✓ nonliving entities that can affect
the ecosystem. These entities do not grow, reproduce or spread from
plant to plant.
What insects belong to the order Hemiptera (piercing-sucking) ?
Ans✓✓✓ stink bugs, plant bugs, squash bugs, boxelder bugs (aphids,
scale insects, cicadas, leafhoppers, whiteflies)
what is an example of a beneficial insect? Ans✓✓✓ assassin bug (feeds
on cockroaches and bedbugs)
What is an example of a common "non-insect" pest? Ans✓✓✓ tick
