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Alle Oberthemen / Entomology / General

Entomology Exam 2 (111 Karten)

Sag Danke
1
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What is the Order of Cockroaches?  What type of metamorphosis do they have?  What type of mouthparts?
Blattodea

Incomplete Metamorphosis

Chewing mouthparts
2
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Where do Cockroaches lay their eggs?  What is it called?
In an egg case called Ootheca
3
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How do cockroaches defend themselves against pest control?  4 steps...
1. Smell bait at a distance
2. Touch bait with antennae
3. Touch bait with hairs on mouthparts
4. Chew/taste bait
4
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_ evolved from cockroaches.  How are cockroach's  able to digest what (blank) is known for eating?  How is this passed on to offspring?
Termites

Protozoans to digest cellulose

Protozoans are passed on to babies via feces
5
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What are the three steps to Cockroach mating?  How many broods can a female have and how many eggs are in each?
1. Male strokes female's antennae to identify her
2. Male offers a food gift to her
3. Mate end to end

7 broods with 40 eggs in each Ootheca
6
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How do nymphs burst the Ootheca?
by gulping air
7
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To what order to Grasshoppers, Crickets, and Locusts belong? What type of metamorphosis? What type of mouthparts? 
Orthoptera

Incomplete metamorphosis

Chewing mouthparts
8
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T/F Males are the only grasshoppers/locusts/crickets to produce sound.
True
9
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T/F: More chirps/ second means a higher temperature.
True
10
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What are the three reasons Crickets/grasshoppers/locusts chirp?
1. Warn of predators
2. Call a female
3. Establish territory
11
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How is a chirp produced by Crickets/grasshoppers/locusts?  Why does this create a chirp?
By either rubbing a wing against a wing or a leg against a wing.  This creates a chirp b/c of bumps and ridges on the legs and wings.
12
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T/F: Grasshoppers/Crickets/Locusts mate at night only.
True
13
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The Lubber Grasshopper is Aposematic and emits from its mouth and thorax.
Noxious foam
14
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How did locusts get to the Americas?  Where did they come from?
They blew/flew from Africa.
15
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T/F: Locusts are the number 1 insect pest in the world.
True
16
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What are the two phases of locusts?  How is the second phase stimulated?
Solitary and Gregarious

stimulation of hairs on their back legs causes swarming
17
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Swarm may cover XXX square miles and have XX billion insects.
500; 50 billion
18
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T/F: Locust routes cannot be predicted.
False - wind and sun can be used to predict their route.
19
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What is the order of Beetles and Weevils?  What does it mean?
Coleoptera

coleo meaning sheath
ptera meaning wings
20
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What type of metamorphosis do Beetles and Weevils have?  What mouthparts?
Complete Metamorphosis

chewing mouthparts
21
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T/F: Coleoptera is the largest insect order.
True
22
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T/F: Ladybugs eat and kill aphids.
True
23
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Do males or female Fireflies flash first?  Does each species have a unique flash pattern?
Males - female flashes response; yes
24
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T/F: Male and female Fireflies have the same flash patterns.
False - they have different flash patterns
25
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What do fireflies use to produce light?  What does it require to light up? What percentage of energy is light?
Luciferin

Oxygen

98%
26
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To what order to Butterflies and Moths belong? What does it mean?
Lepidoptera

Lepido meaning scale
ptera meaning wings
27
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Butterflies and Moths of the order have Incomplete/Complete Metamorphosis.  Their wings have modified hairs which act as scales.
Lepidoptera

Complete
28
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T/F: Lepidoptera have the greatest color variation.
True
29
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Lepidoptera larvae are leaf eating machines.  They must mold (blank) times.  They have a (hard/soft) cuticle.
4-5; soft
30
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What three defense to Lepidoptera Larvae have?
1) camouflage
2) aposematic
3) toxic spines
31
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What two categories do Lepidoptera larvae fall into with relation to their eating habits?
Generalist - eat many plant species

Specialist - eat only one (or a few) plant species
32
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What is the ratio of Butterflies to Moth species?  How many of species are there for both?
1:9

20,000:180,000
33
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What is Dan Janzen's goal?  What two things did he find?
To identify all the moths of Costa Rica

1) moth scales cause allergies
2) helped define the size of a successful biodiversity park
34
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What are the 3 steps to mating for the Florida Queen Butterfly?  What does the male use to dust the female in pheromones? 
1) finds mate with sex pheromone
2) courtship dance
3) mate

"hair pensils"
35
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Monarch butterflies sequester toxic alkaloids called (blank).  The alkaloids are ingested from (blank)
Cardenolides

Milkweed
36
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Where do Monarch butterflies overwinter?  How many are there?
Mexico

200 million
37
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The Mexican holiday involving Monarch butterflies represents the (blank)
The return of people who died during the year
38
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Who is the best boyfriend in the world?

THIS guy :)
39
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What is the Plant coevolutionary arms race? (3 steps)
1. Plant produces toxin
2. Insect adapts to toxin
3. Plant makes more powerful toxin
40
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What are three plant defenses against herbivores?
1. Silicon oxide in plants (like eating glass)
2. Proteinase inhibitors (animals can't digest food)
3. toxic compounds
41
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These are hairs that exist on plants.  They may be sticky, have spines/hooks, and may produce toxins
trichomes
42
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What 3 things does a plant do when it is injured?
1. limit water loss
2. prevent fungal/bacterial infection
3. deter herbivores
43
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A plant may produce toxic compounds, exude sap or gum, or form a gall if it is ___.
wounded
44
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Carnivorous plants exist primarily in habitats ___.
with low nutrients
45
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What are characteristic of a Sundew's leaves?  What do they do?
the leaves are sticky

they curl on insects
46
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What triggers a Venus Fly trap to close?
triggers hairs than send an electrical signal
47
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Venus Fly traps are ONLY found in the wetlands of here and here.
NC and SC
48
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These are the only aquatic carnivorous plants.  How fast is an insect sucked into it?
Bladderworts

1/1000th of a second
49
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To which order does the dung beetle belong?    What feeds on them?  What does the dung beetle's predator secrete that is useful to humans?  How is it useful?
Coleoptera

Civet cat

Civetone

used in perfumes
50
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What do dung beetles make dung balls?  Do they have complete or incomplete metamorphosis?
to insert their eggs

Complete
51
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What happened in Australia with cows?
too much dung

had to import dung beetles
52
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The stone beetle, more commonly known as the (blank), was the symbol of the Sun God Ra and the symbol of the soul in ancient Egypt.  It is said that this beetle's metamorphosis could have inspired the pyramids' creation.
Scarab
53
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The Blister Beetle is also know as the (blank).  It produces a toxin called *(blank)*.  It was used as a (blank) and a (blank) until it was found to cause deterioration of the mucous linings in the body.
Spanish Fly

Cantharidin

medicine

aphrodisiac
54
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What is the specialized mouthpart of the acorn weevil?  What is it for?
a long snout for drilling into acorns to oviposit
55
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Why is a Whirligig beetle given its name?  What is special about its eyes?
a WGB spins to create waves that bounce back when they hit food

it has divided eyes so it can see above and below water
56
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What is the order that means "two wings?"   What is its common name?  About how many species are there?
Diptera

Flies/mosquitos

90,000
57
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Diptera has what type of Metamorphosis and what mouthparts?
Complete

Piercing/sucking or just sucking
58
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T/F: Diptera is known as the most harmful order.
True - many members cause disease
59
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Instead of hind wings, Diptera insects have this.
Halteres - stabilizers
60
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What are the best insect fliers?
flies
61
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How does a housefly eat? (3 steps)
1. it regurgitates on food
2. enzymes soften food
3. use sponging mouthparts
62
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T/F: House flies see poorly.
False
63
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How do House flies taste food?  What type of mouthparts do they have?
with leg hairs

sponging mouthparts
64
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How can a House fly walk on the ceiling?
oily foot hairs
65
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How can maggots help prevent amputations in people with poor circulation?
they eat flesh!
66
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1) What is the vector of the African Sleeping Sickness? 
2) What is the disease caused by?  3) What is its scientific name?
1) Tsetse fly

2) Protozoans

3) Trypanosoma
67
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What is the "Guardian of Africa"? 
Tsetse fly
68
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T/F: The Tsetse fly does not lay eggs.
True - the eggs hatch inside the fly and the larva matures before it is born
69
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After the larva of a Tsetse fly is born, it ___ and pupates.
burrows into soil
70
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T/F: The Tsetse fly can produce only 4 larvae.
False - 8 larvae
71
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What is the order of Mosquitos?
Diptera
72
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What is the 4 part life cycle of a Mosquito.
1. Eggs laid in or near water
2. ...
1. Eggs laid in or near water
2. aquatic larvae
3. aquatic pupae
4. swarm mating
73
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How long do adult mosquitos live for?
1-3 weeks
74
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Male Mosquitos feed on (blank) while females feed on (blank).
flowers

blood meal
75
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How do mosquito larvae breathe?  Why do they have to breathe this way?
siphon tube

they are aquatic
76
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x/6th of humans have an insect vectored disease.                       has killed more people than any other disease.
X=1

Malaria
77
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Who showed the mosquitoes vector malaria?
Ronal Ross
78
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Who showed that mosquitoes vector Yellow fever?
Walter Reed
79
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The order Diptera has which two mouthparts?
1. Piercing/sucking

2. Sponging
80
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What is the male Mosquito aphrodisiac?  What attracts female mosquitos to their victims?
Male - female wing-beat (sound)

CO2 emitted from host

81
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What is the Genus name of the mosquito that vectors Yellow fever?
Aedes
82
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What is the Genus name of the mosquito that vectors Malaria?
Anopheles
83
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T/F: There is no effective treatment for Yellow fever.  The disease is a virus.
True
84
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T/F: Malaria is a virus.
False - Protozoans are to blame
85
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What is the genus name of Malaria?
Plasmodium
86
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T/F: Malaria has no effective drug treatments.
False
87
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How many people die from Malaria per year?
2 Million
88
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How does Malaria spread? (4 steps)
1. Mosquito feeds on infected host
2. Plasmodium mates in mosquito's stomach
3. Plasmodium moves to mosquito's salivary glands
4. Mosquito feeds on new host
89
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How does Malaria effect its host? (4 steps)
1. Plasmodium moves to host's liver
2. Plasmodium attacks host's red blood cells
3. Host's red blood cells rupture
4. Cycle repeats in host at 24, 48, and 96 hours
90
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T/F: The head of a female mosquito is necessary for its eggs to develop.
True
91
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A mutation in (blank) causes a natural resistance to Malaria.  People with one copy of the gene survive Malaria.  People with two copies have (blank).
hemoglobin

sickle cell anemia
92
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What order means roughly "Wingless tube"? What is its common name?
Siphonaptera

fleas
93
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What type of metamorphosis do fleas in the Siphonaptera order have?  What mouthparts?
Complete

Piercing/sucking
94
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T/F: Only male fleas can suck blood.
False - both sexes can suck blood
95
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A female flea can eat approximately (blank) times her weight per day and lays around (blank) eggs in her life.  Eggs hatch in (blank) to (blank) days.
15x

2,000

1 to 10 days
96
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The larvae of fleas feed on what?
adult flea feces
97
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Flea larvae spin a well camouflaged (blank).
cocoon
98
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Fleas can live up to 174 days, but this depends heavily on what 2 factors?
1. Temperature

2. Humidity
99
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What 4 things are fleas attracted to?
1. heat
2. CO2
3. light
4. movement
100
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A flea can jump (blank) times its body length.  It can do this because of a rubber band substance called (blank).
200x

Resilin
101
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To what order do fleas belong?
Siphonaptera
102
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Who is the world flea expert?
Miriam Rothschild
103
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What did Miriam Rothschild show in female fleas?  (3 things)
1) They react to sex hormones of a pregnant female host. 

2) Female flea adjusts her reproductive cycle to match her host's

3) Female flea lays her eggs on babies of the host
104
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T/F: The Bubonic plague was caused by a virus.
False - bacteria
105
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"Bubo" in "Bubonic Plague" means (blank).  The death rate is (blank) %.
swollen lymph glands

75%
106
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What was the vector of the Bubonic Plague?  What is the Genus and species of the plague (IMPORTANT)?
flea

Yersinia pestis
107
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How does the Bubonic Plague spread? (4 steps)
1. Flea drinks bad blood
2. bacteria spreads in flea gut causing a blockage
3. flea finds new host
4. must regurgitate infection to feed, thus infecting host
108
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Elephantiasis is vectored by    blank   .  The Disease organisms are    blank   .
Mosquitos

Roundworms
109
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The vector for River Blindness is                      .  The disease organisms are                      .
Black flies

roundworms
110
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How does River Blindness spread to a person?  It causes                      skin and gradual                      of                      .
an infected fly transmits larval worms to a person

loose skin

loss of sight
111
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T/F: There is no effective treatment for River Blindness.
True
Kartensatzinfo:
Autor: savhighsmith
Oberthema: Entomology
Thema: General
Schule / Uni: UGA
Ort: Athens
Veröffentlicht: 24.03.2010
 
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