PCA Insects V3 fully solved
with verified solutions(100%
pass)
Pheromone mating disruption is used in management
programs in California to control? - answer codling moth
How do piercing sucking mouthparts differ from other
types of mouthparts? - answer mandible and maxillae are
modified into stylets
Which type of insect is most often killed when it feeds on
plants treated with pesticides? - answer leafhoppers
Transgenic plants for control of arthropod pests have been
developed? - answer Bacillus thuringiensis
As originally devised, the main objective of the sterile
insect technique is? - answer eradication
Which insect mortality factor is sometimes density-
dependent? - answer action of natural enemies
Which of these insects is an example of a predator? -
answer ichneumon wasp
Most adult slugs and snails feed on which of these? -
answer both living and dead plant matter
,Which of these outcomes can be reduced by harvesting
alfalfa hay a few days early? - answer presence of virus
vectoring aphids
Stippling is most common with insects that have? - answer
piercing sucking mouthparts
An insects exoskeleton protects it against? - answer
desiccation
The body regions of a spider include the? - answer
abdomen and cephalothorax
Which statement best describes the difference between
wing development in nymphs and larvae? - answer wings
develop outside the body of nymphs while inside the body
of larvae
Which environment is most limiting when natural enemies
are being introduced? - answer annual row crops
Larvae of which pest penetrate into apples and pears,
tunneling to the Core and leaving holes filled with reddish
brown, crumbly frass? - answer codling moth
The feeding damage and webbing on these apricots was
most likely caused by? - answer European earwig
,Reproduction in the absence of male gamete is called? -
answer parthenogenesis
In what way do parasitoids differ from predators? - answer
Parasitoids live on or within their hosts while immature,
and predators are always free living
The control of Cottony cushion scale by the vedalia beetle
is an example of which type of control? - answer Classical
Biological Control
Which insect undergoes complete metamorphosis? -
answer Butterflies, flies, beetles, bees, wasps, ants, and
fleas
What insects can reproduce asexually? - answer Stick
insects (Phasmatodea), Soybean aphids, water fleas
(Daphnia sp.), and nematodes
Which of these pests has gradual metamorphosis? -
answer termites
During which stage are plants least able to compensate
for injury caused by insect pests? - answer when fruit is
forming
What group of arthropods is often controlled with baits? -
answer slugs
, Why does the development rate of insects increase when
the temperature increases within their species-specific
threshold? - answer chemical reaction occur more
frequently and proceed more rapidly at higher
temperatures
Which of these techniques can be used to minimize
secondary pest outbreaks? - answer applying a selective
insecticide
Which application technique conserves natural enemies
most effectively? - answer spot treatments
When might a cotton grower expect a major influx of lygus
bugs into his crops? - answer after harvesting Alfalfa in
nearby fields
Which statement describes the challenge of sampling
insects that are clumped in a field? - answer absolute
sampling is the only method of determining population
densities
When dense populations of an insect species are found
only in a few areas of a field, their population distribution
is best described as? - answer clumped
Which of these characteristics makes an insecticide most
likely to enter surface drinking water supplies? - answer
persistence
with verified solutions(100%
pass)
Pheromone mating disruption is used in management
programs in California to control? - answer codling moth
How do piercing sucking mouthparts differ from other
types of mouthparts? - answer mandible and maxillae are
modified into stylets
Which type of insect is most often killed when it feeds on
plants treated with pesticides? - answer leafhoppers
Transgenic plants for control of arthropod pests have been
developed? - answer Bacillus thuringiensis
As originally devised, the main objective of the sterile
insect technique is? - answer eradication
Which insect mortality factor is sometimes density-
dependent? - answer action of natural enemies
Which of these insects is an example of a predator? -
answer ichneumon wasp
Most adult slugs and snails feed on which of these? -
answer both living and dead plant matter
,Which of these outcomes can be reduced by harvesting
alfalfa hay a few days early? - answer presence of virus
vectoring aphids
Stippling is most common with insects that have? - answer
piercing sucking mouthparts
An insects exoskeleton protects it against? - answer
desiccation
The body regions of a spider include the? - answer
abdomen and cephalothorax
Which statement best describes the difference between
wing development in nymphs and larvae? - answer wings
develop outside the body of nymphs while inside the body
of larvae
Which environment is most limiting when natural enemies
are being introduced? - answer annual row crops
Larvae of which pest penetrate into apples and pears,
tunneling to the Core and leaving holes filled with reddish
brown, crumbly frass? - answer codling moth
The feeding damage and webbing on these apricots was
most likely caused by? - answer European earwig
,Reproduction in the absence of male gamete is called? -
answer parthenogenesis
In what way do parasitoids differ from predators? - answer
Parasitoids live on or within their hosts while immature,
and predators are always free living
The control of Cottony cushion scale by the vedalia beetle
is an example of which type of control? - answer Classical
Biological Control
Which insect undergoes complete metamorphosis? -
answer Butterflies, flies, beetles, bees, wasps, ants, and
fleas
What insects can reproduce asexually? - answer Stick
insects (Phasmatodea), Soybean aphids, water fleas
(Daphnia sp.), and nematodes
Which of these pests has gradual metamorphosis? -
answer termites
During which stage are plants least able to compensate
for injury caused by insect pests? - answer when fruit is
forming
What group of arthropods is often controlled with baits? -
answer slugs
, Why does the development rate of insects increase when
the temperature increases within their species-specific
threshold? - answer chemical reaction occur more
frequently and proceed more rapidly at higher
temperatures
Which of these techniques can be used to minimize
secondary pest outbreaks? - answer applying a selective
insecticide
Which application technique conserves natural enemies
most effectively? - answer spot treatments
When might a cotton grower expect a major influx of lygus
bugs into his crops? - answer after harvesting Alfalfa in
nearby fields
Which statement describes the challenge of sampling
insects that are clumped in a field? - answer absolute
sampling is the only method of determining population
densities
When dense populations of an insect species are found
only in a few areas of a field, their population distribution
is best described as? - answer clumped
Which of these characteristics makes an insecticide most
likely to enter surface drinking water supplies? - answer
persistence
