What is a key characteristic of Painted Lady Butterfly larvae?

Yellowish green with black spots and a broad white stripe along each side

Caddisfly larvae are typically described as:

Aquatic caterpillar like with hook appendages at the end of the abdomen

What is a defining characteristic of eusocial insects?

They display cooperative broodcare

1. Rasping-sucking mouthparts are primarily adapted for what type of feeding?

Scraping leaf surfaces and consuming leaked juice

How does 80% humidity affect thrips populations and plant yield?

It decreases thrips populations and increases plant yield

What type of damage do Cabbage Butterfly larvae cause?

Defoliation and damage to cruciferous vegetables

What is true about the presence of castes in eusocial colonies?

There are at least two different forms/sizes of females

What does adaptation by herbivorous insect species to new host plants typically involve?

change in host preference, use more plant species for survival and repro

What is an important characteristic of termites?

They are the only eusocial order that is paurometabolous

Which biological control methods are recommended for thrips management?

Insect-eating nematodes, predaceous mites, and predatory bugs like Orius

Piercing-sucking mouthparts are a combination of multiple mouthparts that form whatkind of structure?

Tube like structure for penetration and feeding

What does the term 'hemimetabolous' refer to in relation to damselflies and dragonflies?

Develop directly from egg to nymph without pupal stage

What is the primary function of mandibles in insects with chewing mouthparts?

Manipulate and break food into smaller pieces

What type of reproduction do thrips exhibit?

Parthenogenic (asexual reproduction)

What is the primary function of mandibles in insects with chewing mouthparts?

To cut piecws up from the main food and cacerate it

What typically influences the modifications of mouthparts in certain insect orders?

The type of food the insect consumes

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IPM midterm quiz 2

197 termsStudBud Administration2 plays

Explore the fascinating world of insect adaptation to new host plants and the impact of agricultural practices on natural habitats and pest populations

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Questions 197

Answers

1
What is a key characteristic of Painted Lady Butterfly larvae?
Black with white stripes
Green with small black spines
Brown with red spots
Yellowish green with black spots and a broad white stripe along each side
2
Caddisfly larvae are typically described as:
Fully winged and able to fly
Aquatic caterpillar like with hook appendages at the end of the abdomen
Aquatic with sponging moutparts
Teresstrial and worm like with legs
3
What is the structure of siphoning/sucking mouthparts best described as?
Sharp mandibles
Tube-like and coiled
Sponging surface with suckers
Scissor-like cutting edge
4
How long can dragonfly nymphs spend as immatures before maturing?
A few weeks
A few days
A few months
Several years
5
Chewing-lapping mouthparts are a combination of which of the following?
Mandibles and a sponging surface
Mandibles and a proboscis
Mandibles and a large tongue
Mandibles and a siphoning tube
6
What is the characteristic of the hind wing in true bugs?
Membranous
Opaque & clear
Hardened & opaque
Triangular
7
What is a defining characteristic of eusocial insects?
They live in isolation
They display cooperative broodcare
They only take care of their own offspring
They reproduce without division of labor
8
1. Rasping-sucking mouthparts are primarily adapted for what type of feeding?
Scraping leaf surfaces and consuming leaked juice
Lapping up nectar from flowers
Feeding on solid food
Sucking up blood from animals
9
What type of metamorphosis do Caddisflies (Trichoptera) undergo?
Hemimetabolous
Holometabolous
Ametabolous
Partial metamorphosis
10
Where do damselfly and dragonfly nymphs typically live?
In the trees
In underground burrows
In aquatic environments
On plant leaves
11
How does 80% humidity affect thrips populations and plant yield?
It increases thrips populations and decreases plant yield
It makes plants more susceptible to disease
It has no effect on thrips populations
It decreases thrips populations and increases plant yield
12
What is the purpose of the scissor-like parts of cutting-sponging mouthparts?
Cutting skin from animals
Piercing and sucking nectar
Rasping plant material
Helping in feeding on solid food
13
What type of damage do Cabbage Butterfly larvae cause?
Root damage
Leaf skeletonization
Defoliation and damage to cruciferous vegetables
Flower destruction
14
What is the behavior of mass provisioners?
Feed little by little
Large amount upfront
Continuous care throughout development
No provision of resources
15
What is a similarity between termites and cockroaches?
Feed on plants
Solitary
Intestinal symbionts
Carnivorous
16
What is true about the presence of castes in eusocial colonies?
Castes are not present
The workers and queen do not have specific roles
There is only one type of female
There are at least two different forms/sizes of females
17
What is the primary diet of most true bugs?
Plant material
Blood
Animals
18
What does adaptation by herbivorous insect species to new host plants typically involve?
change in host preference, use more plant species for survival and repro
Decrease in variety of host plants the insects can feed on
Decrease in number of plants pest can use
19
How many Diamondback Moth larvae are typically present per meter squared during the podding stage?
10
300
200
50
20
Where are Mayfly nymphs typically found?
In terrestrial habitats
In leaf litter and under bark
In freshwater aquatic habitats
In saltwater environments
21
What is true about progressive provisioners?
Provide at pupal stage
Large, fixed amount at once
No care after laying eggs
Feed in stages
22
What were the first two suborders of the Lepidoptera order?
Large and Small
Day-flyers and Night-flyers
Herbivores and Carnivores
Moths and Butterflies
23
What is an important characteristic of termites?
They are blind as adults
They are non-social insects
They are the only eusocial order that is paurometabolous
They undergo ametabolous development
24
Which biological control methods are recommended for thrips management?
Planting genetically modified crops
Using chemical pesticides
Installing physical barriers around plants
Insect-eating nematodes, predaceous mites, and predatory bugs like Orius
25
What purpose do some Caddisfly larvae use silk produced from glands in their mouths for?
Protect themselves from predators
Create webs for trapping prey
Construct tunnels for hiding
Build protective cases
26
What type of mouthparts do thrips have?
Piercing-sucking mouthparts
Rasping-sucking mouthparts
Sponging mouthparts
Chewing mouthparts
27
Which insects are examples of species with cutting-sponging mouthparts?
Grasshopper
Deer fly
House fly
Horse fly
28
Where are Lepidoptera pupae typically found?
In leaf litter
In soil burrows
Hanging from tree branches
In a silken cocoon
29
Piercing-sucking mouthparts are a combination of multiple mouthparts that form whatkind of structure?
Coiled tube for nectar feeding
Tube like structure for penetration and feeding
Scissor like structure for cutting
Sponging surface for rasping food
30
The "large tongue" found in insects with chewing-lapping mouthparts is primarily usedfor what purpose?
Feeding on solid food
Sucking blood
Nectar feeding
Rasping food
31
What is true about adult Mayflies in terms of feeding?
They do not eat
They suck blood from animals
They feed on solid food
They feed on nectar
32
Many lepidoptera larvae are similar to caddisfly larvae in that they are
Casebearers
Web weavers
Blood feeding
Leaf eaters
33
Which order do 'true bugs' belong to?
Hemiptera
Coleoptera
Lepidoptera
Diptera
34
What is one of the impacts of agricultural practices on natural habitats?
Better environments for natural enemies
Increase land biodiversity
Eliminate natural habitats
Improve plant diversity
35
What does the term 'hemimetabolous' refer to in relation to damselflies and dragonflies?
Hatch directly into adult form without intermediate stage
Develop directly from egg to nymph without pupal stage
Complete metamorphosis with four stages
Larval stage undergoes complete reorganization
36
"Hemi" means half, referring to their half-hardened, half-membranous forewings.
True
False
37
How many times does a Mayfly molt before becoming an adult?
Four times
Three times
Twice
Once
38
What do psyllids feed on?
Nectar and pollen
Roots and stems of plants
Fungi on plant surfaces
Plant juices from foliage
39
What is the primary function of mandibles in insects with chewing mouthparts?
Attack or defend against threats
Capture and carry food
Manipulate and break food into smaller pieces
All of the above
40
What type of reproduction do thrips exhibit?
Sexual reproduction only
Hermaphroditic reproduction
Viviparous reproduction
Parthenogenic (asexual reproduction)
41
What is the primary function of mandibles in insects with chewing mouthparts?
To suck liquids
TO lap up nectar
TO pierce and suck blood
To cut piecws up from the main food and cacerate it
42
How do sponging mouthparts differ from piercing-sucking or siphoning-sucking mouthparts?
Rasp solid food
Cut solid plant material
Convey liquid food
Pierce and suck blood
43
What is the main function of sponging/sucking structures in insects?
Suck blood
Convey food
Lap nectar
44
What type of mouthparts do adult Lepidoptera (butterflies and moths) have?
Piercing-sucking
Siphoning
Chewing
Sponging
45
What type of diet are insects with chewing mouthparts best adapted to?
Nectar and pollen
Liquid diet
Blood feeding
Plant material and solid foods
46
Which individual typically lays eggs in eusocial colonies?
Only the queen
Only the males
Only the workers
Both workers and the queen
47
What mouthpart type is typical of insects that feed on nectar?
Piercing-sucking
Siphoning/sucking
Cutting-sponging
Chewing
48
Which of the following is NOT one of the seven types of mouthparts encountered in insect pests?
Rasping-sucking
Grasping
Piercing-sucking
Chewing-lapping
49
What food sources do yellow jacket wasps and hornets show interest in, apart from insect prey?
Only fallen leaves
Only animal meat
Sweet products and fruits
Only floral nectar
50
What typically influences the modifications of mouthparts in certain insect orders?
The insect's ability to reproduce
The insect's ability to fly
The type of food the insect consumes
The need to chew more effectively
51
Which of the following insects uses siphoning/sucking mouthparts to feed on nectar?
Bees
Moths
Grasshoppers
Wasps
52
What do insects with siphoning/sucking mouthparts use the coiled tube to feed on?
Blood
Solid plant material
Fruits and vegetables
Nectar
53
What do both damselfly and dragonfly nymphs feed on?
Only small aquatic insects
Algae and plant material
Only plant matter
Small fish, tadpoles, and mosquito larvae
54
What do adult painted lady butterflies primarily feed on
Tree sap
Nectar
Fruit juices
Insects
55
How many crops are hosts for Lygus bugs?
7
3
10
4
56
How do thrips damage plants?
By gnawing at roots
By injecting toxic chemicals into the plant
By piercing the plant surface and sucking out the contents
By chewing on plant tissue
57
How do Diamondback Moth larvae feed on the leaves?
They inject a toxin that causes the leaves to die
They consume entire leaves without leaving any traces
They burrow into the stems of plants
They create holes in the leaves and feed on the surface, leaving only veins
58
What is a significant characteristic of Diamondback Moth larvae when disturbed?
They fly away quickly
They hide in the soil
They spin a silk web
They thrash violently
59
How are the wings of adult Caddisflies positioned when at rest?
Held roof-like over the abdomen
Held flat along the body
Spread out to the sides
Folded underneath the body
60
What do adult Diamondback Moths primarily feed on?
Flesh of other insects
Sap from trees
Nectar of flowers
Plant roots
61
How many long tails do Mayfly nymphs have?
Three (rarely two)
Four
Two
One
62
What is true about the Isoptera order (termites)?
All termite species are eusocial
Termites are solitary insects
Termites are blind during larval stage
Termites are parasitic
63
How do honey bees and bumble bees provide resources to their larvae?
Supply small servings of food
Provide after adulthood
Rely on paralyzed prey
Supply all resources at once
64
How do the wings of damselflies and dragonflies develop?
Externally as part of their hemimetabolous lifecycle
Internally and not visible until adulthood
They do not develop wings at all
Present at birth and grow rapidly
65
At what stage do thrips feed?
Only as nymphs and adults
Only as larvae
Only as adults
All stages feed (egg, nymph, adult) feed
66
How do psyllid nymphs move?
They do not move at all.
They are highly mobile and fly frequently.
They move quickly by crawling.
They are slow moving.
67
How would you describe the flying ability of thrips?
Weak fliers
Thrips cannot fly
Strong fliers
Thrips have powerful flight capabilities
68
What type of damage do Diamondback Moth larvae cause to plants?
Skeletonization of leaves
Leaf curling
Wilting of flowers
Root damage
69
What do the speckles on plant leaves correspond to?
Number of thrips larvae
Age of the plant
Number of thrips eggs that have hatched
Size of the thrips colony
70
What can help control aphid populations?
Increased irrigation
Temperature manipulation
Many predators
Fertilization of the plants
71
What type of mouthparts do true bugs have?
Lapping mouthparts
Sponging mouthparts
Chewing mouthparts
Piercing-sucking mouthparts
72
What do insects with piercing-sucking mouthparts primarily feed on?
Solid plant material
Fruit and vegetable matter
Blood or animal fluids
Nectar and pollen
73
What does the male Odonata do during reproduction?
The male fertilizes the eggs after they hatch
The male hovers above the female or clasps her while flying in tandem
The male deposits the eggs himself
The male flies away once the female lays her eggs
74
How does a female Odonata deposit her eggs?
She lays her eggs on the ground
She darts over floating waterside vegetation to deposit her eggs
She deposits them on tree trunks near the water
She releases them into the air for fertilization
75
How many larvae per meter squared is the economic threshold for monitoring Cabbage Butterfly larvae on crops?
200
100
50
70
76
What is the role of workers and soldiers in a termite colony?
Workers gather food, care for young, soldiers protect
They do not contribute
Workers are responsible for reproduction, soldiers protect
They are responsible for feeding and reproduction
77
What type of mouthparts do Caddisflies have?
Siphoning
Sponging
Chewing
Piercing-sucking
78
What shape is the body of a typical thrips?
Long and segmented
Oval and flat
Cylindrical or spindle-shaped
Rounded and bulbous
79
What is the general appearance of the adult Cabbage Butterfly (Cabbageworm)?
Medium-sized with green bodies and white wings
Large and brown with yellow markings
Small and orange with black spots
Medium-sized with black bodies covered with white pubescence
80
What is true about leafcutting bees?
Mass provisioners
Progressive provisioners
Only feed nectar
Rely on paralyzed prey
81
Which of the following is an example of an insect that typically has chewing mouthparts?
Grasshopper
Hummingbird
Mosquito
Butterfly
82
What type of mouthparts do Lepidoptera larvae (caterpillars) have?
Sponging
Chewing
Piercing-sucking
Siphoning
83
What type of bodies do true bugs have?
Only hard bodies
Soft or hard bodies
Only soft bodies
Only armored bodies
84
What is true about the forewings of true bugs?
They are entirely hardened
They are completely transparent
They are divided into two parts
They are entirely membranous
85
Where do thrips typically insert their eggs?
Into tree trunks
Into the soil
Into stems, leaves, and soft plant tissue like fruits and flowers
Into animal hosts
86
What is the visible sign that thrips eggs have hatched?
Yellowing of the plant
Large holes in the leaves
Curling of the plant edges
A speckling appearance on the leaves
87
What is the typical shape of Lepidoptera larvae?
Elaterform
Eruciform
Vermiform
88
How many blossoms should be examined for a proper thrips population check?
5 blossoms
100 blossoms
50 blossoms
10 blossoms
89
What does the "overlap of generations" refer to in eusocial colonies?
Individuals stay and assist their parents in caring for the brood
Adults leave the colony once they reach maturity
There is no overlap between generations
New generations replace the old ones immediately
90
How do most Caddisfly larvae construct their protective cases?
Weaving leaves, plant material
Small pebbles, twigs, debris
Silk from mouths
Burrowing into soil
91
What is a notable characteristic of dragonflies' bodies?
Robust bodies
Soft, flexible bodies
Slim and elongated bodies
Short, compact bodies
92
What type of reproduction do aphids exhibit?
Oviparity (laying eggs)
Vivipary (giving birth to live nymphs)
Parthenogenesis (development from an unfertilized egg)
Asexual reproduction through fragmentation
93
How many stylets do thrips have, and where are they derived from?
Three stylets: one from the maxillae and one from the left mandible
Two stylets, both from the mandibles
Three stylets: one from the maxillae and one from the left mandible
3 stylets: 1 from the maxillae and 1 from the left mandible right dissap
94
What color represents the male in the color-coded system for Odonata?
Blue
Brown
Red
Yellow
95
What does "polyphagous" mean in the context of herbivorous insects?
can feed on wide range of plants
One plant species
Animal products
Non-plant materials
96
What forms do aphids come in?
Only winged forms
Winged or wingless forms
Only larvae
Only wingless forms
97
How do eyes of damselflies differ from dragonflies
Much smaller
Larger and set to the side of the head rather than the front
Dominate the front of the head
None of the above
98
What type of metamorposis do butterflys and moths undergo
Holo
Partial
Ame
Hemi
99
Which crops have chemicals registered for use against thrips?
Vegetable and cereal crops
Only flowers
Only fruit trees
Ornamental plants only
100
Chewing mouthparts are most commonly found in which of the following types of insects?
All of the above
Wasps
Beetles
Ants
101
What is a key factor in greenhouse sanitation to eliminate thrips?
Removing dead plants and debris
Reducing light exposure
Watering the plants more frequently
Installing insect traps
102
During which time of day are Mayflies mostly active?
Dawn
Night
Morning
Afternoon
103
What is a type of mouthpart modification found in some insect pests?
Sponging
Piercing-sucking
All of the above
Chewing
104
Which of the following insects is an example of a species with rasping-suckingmouthparts?
Butterfly
Horse fly
Mosquito
Thrips
105
Cutting-sponging mouthparts are a combination of which of the following structures?
Sciissor like parts and sponging sucking structures
Rasping parts and siphoning tube
Mandibles and proboscis
Peircing sucking parts and sponging tubes
106
What is the color of the undersides of the adult Cabbage Butterfly’s wings?
Orange with black stripes
Blue with white spots
White with yellow and red markings
Yellowish with black spots
107
What is the economic threshold (ET) for Lygus bugs under ideal conditions?
20-30 per 10 sweeps
100-150 per 10 sweeps
50-80 per 10 sweeps
10-20 per 10 sweeps
108
Which insects are examples of species with cutting-sponging mouthparts?
Horse flies
Bees
Grasshoppers
Deer flies
109
How long does it take for Odonata eggs to hatch?
A year
A month
A few days
A week
110
How do Mayflies hold their wings when resting?
Wings are held flat along the body
Wings are held spread out to the sides
Wings are held together above the body
Wings are folded underneath the body
111
What are the tunnels that extend toward the food source of the termite colony?
Mating structures
Galleries
Queen's chambers
Food storage areas
112
What is true about the developmental process of damselflies and dragonflies?
Hemimetabolous development with no pupal stage
Develop only in terrestrial environments
Complete metamorphosis with pupal stage
Viviparous and give birth to live young
113
What is a characteristic of the mouthparts of insects with a 'chewing-lapping' mouthpart type?
They can rasp and scrape surfaces for feeding
They can suck liquids from plants or animals
They only chew solid material
They can chew food and lap up liquid, like nectar
114
Which of the following insects are exampples of chewing lapping mouthparts
Mayflies
GRasshoppers
Bees
Ants
115
To which order do dragonflies belong?
Hymenoptera
Coleoptera
Odonata
Lepidoptera
116
In insects with chewing lapping mouthparts what is the primary reason for mandibles
To pierce and suck up blood
To lap up nectar
To suck fluids
TO cut and macerate food, leaves and wax
117
What factor can significantly impact Lygus bug populations?
Precipitation
Crop rotation
Soil composition
Temperature fluctuations
118
How would you describe the larvae (caterpillars) of the Cabbage Butterfly?
Large, black with white stripes
Small, brown, and hairy
Short, yellow with spines
Long, green, with velvety texture
119
How many wings do adult thrips typically have?
Only two wings
Two forewings and two hindwings, rod like and fringe hair
Only one pair of wings
Four wings
120
What impact does a high pest population have on the likelihood of host plant adaptation?
Fewer plant species used
Increases adaptation likelihood more oppurtunity with diff host
No impact on adaptation
Decreases adaptation likelihood
121
How many nymphs can a female aphid produce?
100-150 nymphs
40-50 nymphs
30-40 nymphs
10-20 nymphs
122
How do the wings of butterflies and moths beat during flight?
Beat together as they are interlocked or overlap
Beat in sync with each other
Beat separately with a delay
Remain still while the insect moves forward
123
Where are the eyes of damselflies located?
Large and at the front of head
Small and near the base of antennae
Tiny and located at the back of head
Large and set to the side of head
124
How do damselfly nymphs (naiads) typically swim?
With a side-to-side snake-like motion
By moving their wings side to side
Using jet propulsion
By fluttering their gills rapidly
125
How are dragonflies' wings typically positioned when at rest?
Held out to the side
Folded vertically along their back
Positioned at an angle upwards
Folded over their body
126
What feature do dragonflies often have on their heads?
Two pairs of antennae
Large multifaceted eyes that sometimes meet at the top of the head
Small simple eyes
A pair of long, sensitive antennae
127
What role do the sponging/sucking structures play in insects with cutting-sponging mouthparts?
Feeding on solid food
Cutting leaves and wax
Conveying and sucking up blood
Lapping up nectar from flowers
128
Which true bug is known to be a predator of mites and small insects?
Leafhopper
Whitefly
Orius (pirate bug)
Aphid
129
2. How would you describe the body of adult Diamondback Moths?
Small and oval shaped with no head
Narrow and elongated with distinct pointed head
Wide and flattened with large anttena
Short and stocky with round head
130
What are some key requirements for natural enemies of pests that may be affected by agricultural practices?
Large monocultures
Nectar sources, refugia and safe overwintering sites
High levels of pesticide use
More diverse pests
131
What is the texture of the proximal portion of the forewing in true bugs?
Hardened and opaque
Soft and flexible
Membranous and clear
Transparent
132
What is the main function of sponging/sucking structures in insects with sponging mouthparts?
To suck blood
To lap up nectar
To cut and macerate food
To convey liquid food or rasp solid food after salivation
133
What is proctodeal trophallaxis in termites?
Food exchange
Anal liquid exchange
Sound vibrations
Mating behavior
134
. Which type of mouthparts do Mayfly nymphs (immature stage) have?
Rasping sucking
Piercing sucking
Sponging
Chewing lapping
135
Which aphid species are mentioned?
Wheat and corn
Tomato and cucumber
Soybean and cotton
Bird cherry oat and green peach
136
What type of metamorphosis do thrips undergo?
Parametabolous
Hemimetabolous (incomplete metamorphosis)
Holometabolous (complete metamorphosis)
Ametabolous (no metamorphosis)
137
What is the correct term for the insect commonly referred to as "thrips"?
Thryps
A single thrip
A thrip and a thrips are interchangeable
Thrips is always plural; there is no singular form
138
How do dragonfly nymphs (naiads) swim?
They swim by moving their gills side to side
They do not swim, they only crawl on the bottom of the water
They use their wings to paddle through the water
They use jet propulsion by spurting water out through their anus
139
What disease is caused by the trypanosomes injected by Mexican bed bugs?
Chagas disease
Zebra leaf chip
aster yellows
140
What is the role of the male in preventing other males from mating with the female?
Produces pheramones
Prevents other males form removing his sperm
Male guards the female by fighting off other male
Forces the female to mate with only him
141
What feature is present on the head of Painted Lady Butterfly larvae?
Yellow horns
A black head
Bright red spots
Large antennae
142
6. Which group of insects is commonly known for having piercing-sucking mouthparts?
Grasshoppers
True bugs
Wasps
Butterflies
143
How do termite nymphs resemble adult workers?
No resemblance
Resemble soldiers
Larger than workers
Live together, crawling
144
How many pairs of wings do dragonflies have?
Three pairs of wings
Four pairs of wings
One pair of wings
Two pairs of wings
145
What is a key characteristic of yellow jacket wasps and hornets in provisioning for their larvae?
Only feed nectar and pollen
Progressive provisioners, supply paralyzed prey
Mass provisioners, seal brood cells
Provide sweet products
146
How can you monitor thrips population in a greenhouse or field
By observing soil quality
Collecting 10 flowers buds placing them in a bad on the hood of a car
Counting number of leaves on plants
Measuring temp of air
147
What is the behavior of psyllids when disturbed?
They hide immediately.
They are excellent jumpers.
They fly away.
They become aggressive.
148
What is unique about the mouthparts of thrips compared to other insects?
Their mouthparts are entirely external
They have symmetrical mouthparts
They are the only insect with asymmetrical mouthparts
They have no mouthparts at all
149
How should you collect psyllid nymphs for scouting?
Soil sampling method
Observe soil surface
10 leaves, 10 locations
Inspect plant stems
150
What method is used to scout for lygus bugs
Sticky trap
Sweep net
Soil sampling
151
What is the 'upper lip' in insects called?
Labium
Maxillae
Labrum
Mandibles
152
How much of the forewing in true bugs is membranous and clear?
~2/3
~1/2
~1/3
~3/4
153
How are moths and butterflies primarily separated?
By their size
By their wing patterns
By their antennal characteristics
By their behavior
154
What is the primary adaptation of cutting-sponging mouthparts for feeding on?
Fruits and vegetables
Solid plant material
Nectar and pollen
Blood from animals
155
How many thread-like tails do adult Mayflies typically have?
None
Four to five
Two to three
One
156
What color represents the female in the color-coded system for Odonata?
Brown
Blue
Green
Yellow
157
What is the primary function of mandibles in insects?
Lapping
Cutting or chewing
Sponging
Sucking
158
Which of the following crops are hosts for psyllids?
Soybeans and peas
Corn, wheat, barley, oats
Lettuce, spinach, and cabbage
Tomato, potato, pepper, apple, pear
159
What is the reproductive structure in termite colonies?
Both the king and queen reproduce
There are no reproductive individuals
Only queens reproduce
Only workers reproduce
160
What feature do aphids have on their abdomen?
Sharp spines
Pairs of antennae
Cornicles that secrete defensive fluids
Small wings
161
How do agricultural practices affect pest populations?
Eliminate pests from landscape
Prevent pest population growth
Reduce habitat quality for pests
Enhance habitat quality for pests, easier to colonize and establish
162
What is the 'lower lip' in insects called?
Mandibles
Labium
Hypopharynx
Maxillae
163
What is the role of sterile female workers in a eusocial colony?
They do not engage in any tasks
They focus only on reproduction
They only care for their own offspring
They perform a variety of important duties
164
What is the typical size of an adult thrips?
Larger than 1cm
Larger than 5 cm
10-15mm long
About 3mm or less in length
165
How many eggs does a female Odonata deposit in a clutch?
Around 500
Around 100
Around 1500
Around 2000
166
What is the threshold of Painted Lady Butterfly larvae for sunflowers and soybeans in terms of population density?
200 to 300 larvae per meter squared
Specific thresholds exist, but not yet established for these crops
50 to 100 larvae per meter squared
100 to 150 larvae per meter squared
167
The scissor like parts of cutting sponging sponging mouthparts are used for what purpose
TO rasp plant material
To lap up blood
To pierce and suck blood
To cut skin
168
What is the main function of sponging/sucking structures in insects?
Suck nectar
Rasp solid food
Convey liquid food
Pierce and suck blood
169
What is a key feature of the forelegs of ambush and assassin bugs?
Small femurs for walking
Wing-like forelegs for flying
Sharp claws for digging
Raptorial forelegs with large femurs to seize and hold prey
170
How does salivation aid in feeding for insects with sponging mouthparts?
Liquefy solid food
Suck nectar from flowers
Pierce animal skin
Cut through tough plant material
171
What is the Subimago stage in the Mayfly lifecycle?
When the nymph hatches from its egg
The stage after the adult
When the nymph molts into a winged form and flies a short distance to shore
The adult Mayfly in its fully developed form
172
What is one of the distinctive features of butterflies and moths?
Wings covered in scales
Wings with no visible veins
Transparent wings
Wings with spines
173
What is the ideal thrips population for a healthy strawberry plant?
10 thrips/blossom
Empty choice
20 thrips/blossom
Empty choice
174
How would you describe the true bug group?
Highly specialized and diverse
Only capable of flight
Simple and uniform
Non-specialized and generic
175
Why are chemical insecticides not as effective against thrips?
They are resistant to most insecticides
Chemicals are only effective in the soil
Thrips do not feed on plant leaves
Thrips are too small to be targeted effectively
176
Which mouthpart is involved in the secretion of digestive fluids and saliva?
Mandibles
Maxillae
Hypopharynx
Labrum
177
What is the size and shape of the Painted Lady Butterfly’s wings?
Small and triangular
Large and oval-shaped
Medium-sized with pointed wings
Large and rounded
178
How are Mayflies typically described?
Small to medium-sized, elongate, soft body
Tiny, hard exoskeleton
Large, wingless, hard-bodied
Small to medium-sized, hard body
179
Which habitat is most suitable for Mayflies?
Freshwater habitats like ponds and streams
Dry sandy soils
180
Which of the following is true about insects and bugs?
Bugs and insects are unrelated
Every insect is a bug, but not all bugs are insects
All bugs are insects, and all insects are bugs
Every bug is an insect, but not all insects are bugs
181
Why are chemicals more successful in greenhouse crops for controlling thrips?
Greenhouses have higher humidity, which helps the chemicals work faster
Greenhouse crops are less likely to suffer from pesticide resistance
Greenhouses are more enclosed, allowing for better application of chemicals
Greenhouse crops are more susceptible to thrips
182
What is a distinguishing feature of the antennae of Caddisflies?
Short and stout
Long and slender
Short and bristle-like
Flat and wing-like
183
What is the primary food source of Mayfly nymphs?
Small insects
Algae
Dead organic material
Plant roots
184
What type of metamorphosis do Mayflies undergo?
Ametabolous
Hemimetabolous
Partial metamorphosis
Holometabolous
185
What are significant roles of thrips besides being plant pests
Pollinate plants
Serve as food for beneficial insects
Enhance soil quality
vectors of plant diseases
186
What is the color and pattern of the Painted Lady Butterfly’s upper wings?
Orange with black stripes
Green with red spots
Salmon pink with complicated dark markings
Blue with yellow markings
187
What characteristics do female scale insects possess?
Long stylets for feeding, lack eyes, wings, and often legs
Antennae and wings
Wings, legs, and eyes
Only wings for dispersal
188
Where do Painted Lady Butterfly larvae feed?
Underground in the plant roots
In leaf-nests created near the terminals of host plants
At the base of the plant
On the flowers of the host plant
189
Which life stages of Lygus bugs should be counted when scouting?
All nymphs and adults
Only adults
Only early-instar nymphs
Adults and late-instar nymphs
190
Why do termites consume feces?
Transmit symbionts
Gain nutrients
Strengthen exoskeletons
Prevent disease
191
How do damselflies typically position their wings at rest
Folded together over abdomen
Spread wide open
Wings held at a 90 degree angle
Wings held out to side
192
What is a notable characteristic of damselflies' bodies?
Wide, flattened bodies
Compact and round bodies
Robust bodies
Slender bodies
193
What is a characteristic feature of the dorsoposterior thorax of true bugs?
Triangular scutellum
Square scutellum
Oval scutellum
Circular scutellum
194
What is the characteristic shape of Mayflies' front wings?
Long and narrow
Small and rounded
Large and oval
Large and triangular
195
Mandibles in chewing insects can serve as tools for which of the following?
Carrying or manipulating food
Cutting or macerating food
Attacking or defending against predators
All of the above
196
What is the economic threshold (ET) for Lygus bugs under dry conditions?
100-150 per 10 sweeps
50-80 per 10 sweeps
10-20 per 10 sweeps
20-30 per 10 sweeps
197
What is the primary structure of sponging mouthparts in insects?
Mandibles and a proboscis
Scissor-like parts and a proboscis
Piercing-sucking parts and a siphoning tube
Sponging/sucking structures

IPM midterm quiz 2 Flashcards | StudBud