Ento 208 Exam 1

What percentage of known insects are considered pests, according to your reading?

0.1%

Approximately how many species of scorpions are in Texas (according to lecture)?

18

The "golden age" of medical entomology began in the year ________.

1877

What year was Aedes aegypti shown to be the principal vector of yellow fever?

1900

Crustacea have how many legs?

5 or more pair

How strong are arthropod muscle attachments?

6x as trong as vertebrate tendons

"According to lecture, what percent of all known organisms are arthropods? "

80%

Insects make up what percentage of the described animal species on earth?

80%

Which stage of a parasitoid is generally the free living stage?

Adult

The species ________ vectors yellow fever.

Aedes aegypti

Insects are in what kingdom?

Animalia

The order Aranae is found in which class?

Arachnida

The order Scorpionida is found in which class?

Arachnida

Which of the following arthropod classes is characterized by four pair of legs?

Arachnida

Irrational fear of spiders is called

Arachnophobia

What type of organism causes plague?

Bacterium

Wuchereria bancrofti is the causative agent of what disease?

Bancroftian filariasis

_____________ is the reduction in numbers or elimination of pest organisms by interference with their ecology, usually through the introduction of predators or parasites.

Biological control

What vectors Babesia bigmina?

Boophilus annulatus

Loxosclese reclusa is:

Brown recluse spider

Chagas disease is named for:

Carlos Chagas

___________ is extracted from the cochineal insect and used to produce bright red dyes.

Carminic acid

Which of the following is a venomous arthropod?

Centipede, arachnida, spider, scorpion

Kissing bugs are responsible for spreading which of these diseases?

Chagas Disease

Which country is the world's largest producer of honey?

China

What medical condition can be treated using the venom from a honey bee stinger, according to your textbook?

Chronic arthritis

What is the common name of the insect that is used to illustrate classic biological control?

Cottony cushion scale

Shrimp are in which class?

Crustacea

Which of the following arthropod classes is characterized by two pair of antennae?

Crustacea

____________ return organic matter back into the ecosystem. This is a trophic level that includes lots of different organisms, including insects.

Decomposers

Which of the following arthropod classes has two body regions and 2 pairs of legs on each body segment?

Diplopoda

Adults of which of the following organisms have the smallest surface to volume ratio?

Elephant

Mosquitoes are responsible for spreading which of these diseases?

Encephalitis

The act of injecting venom into animal tissues is called ____________.

Envenomation

Who described the cyclical development of malarial parasites in mosquitoes?

Giovanni Grassi

The fluid-filled body cavity of arthropods is called:

Haemocoel

"Arthropod ""blood"" is known as:"

Haemolymph

Diplopoda have what body regions?

Head and body

According to many entomologists, which organism is the most important insect on earth? (Note: remember this is according to *most* entomologists...ignore my mini rants about this subject for the purposes of this question)

Honeybees

Which of these would experience the greatest amount of damage when falling a large distance?

Horse

What resin is used to make wood finish polish?

Lac

What is the difference between a maintenance and a susceptible host?

Maintenance hosts coevolved with the pathogen and susceptible hosts did not.

Which is an example of an anthroponoses?

Malaria

The process of transformation from an immature insect to the adult form by way of several distinct stages is known as __________.

Metamorphosis

In what demographic is delusional parasitosis the most common?

Middle-aged or elderly women

Chitin is made of:

N-acetylglucosamine

A(n) ___________ is an organism whose presence in or on a host may cause disease.

Pathogen

"The ""claws"" on scorpions are know as:"

Pedipalpi

"Arthropod" is a(n):

Phylum

Which of the following involve the multiplication of a pathogen within the vector?

Propagative, cyclodevelopmental

Bee glue" is properly called __________, and is a brownish resinous material used to repair and maintain the bee hive.

Propolis

The inflammation of the nasal mucosa due to allergies is called __________

Rhinitis

How are insects important to the environment?

Secondary Consumers, Help decompose organic matter, primary consumers, essential pollinators

According to your reading, a food web is a(n):

System of interlocking and interdependent food chains that describes how organisms interact within an ecosystem.

The trypanosomes that cause African trypanosomiasis are transmitted by _____

Testese Flies

Babesia bigemina is the causative agent of what disease?

Texas cattle fever

What is entomophagy?

The consumption of insects as food by humans (as in, they eat bugs on purpose).

Why is entomophagy becoming more popular?

The cost of animal protein is rising, The rearing of insects for consumption is better for the environment by producing less greenhouse gasses, It is less expensive to produce insects than maintain livestock, The demand for protein in the global population is rising.

Centruoides vittatus is:

The most common scorpion in Texas

What is sericulture?

The production of raw silk by raising silkworms

Why are Malpighian tubules always capatalized?

They're named after an actual person

Insect legs are found where?

Thorax

"In arthropods, what is the tube that shuttles air to the inside of the body (inside the body, not on the surface)?"

Trachea

_____________ transmission is a type of vertical transmission of disease that occurs when parasites are acquired during one life stage and passed on to the next life stage of an insect.

Transstadial

A living organism that spreads disease is a(n)___________.

Vector

Transstadial transmission is a type of ________ transmission.

Vertical

Who lead the U.S. Yellow Fever Commission at Havana, Cuba?

Walter Reed

The lung fluke Paragonimus ____________ uses crustations as intermediate hosts on their way to mesopredators.

Westermani

Which of the following is not a characteristic of all insects?

Wings

"Which horizontal transmission method is described as ""transmission through salivary sections that are injected through feeding or while probing for blood""?"

anterior station

African Sleeping Sickness is an example of what kind of disease?

anthropozoonosis

What is a disease?

any departure from health

What is the term for a virus that is vectored by an arthropod?

arbovirus

Latrodectus mactans is:

black widow spider

Fleas are responsible for spreading which of these diseases?

bubonic plauge

Crustacea have what body regions?

cephalothorax and abdomen

Where is the brain in the arthropod found?

dorsally

Which of these describes a disease that is confined to a certain geographic region and is a constant presence in the population?

endemic

Body lice are responsible for spreading which of these diseases?

endemic typhus

"To treat anaphylaxis, you need to inject the animal with _____________, which is the fancy name for adrenalin. "

epinephrine

Which is the most expensive pest found on pets?

fleas

Arthropod literally means:

jointed leg

Which is the largest classification group?

kingdom

Which is a major downside of having a high surface to volume ratio?

lose more heat and water

Which of these is not a form of biological transmission?

mechanical

Which is the most important insect vector in veterinary and medical entomology?

mosquitoes

What is the most widespread form of host invasion by arthropods, according to your reading? (Hint: you learned a single word for this. What is that word?)

myiasis

Where are chelicerae found?

near the mouth

The black widow has what type of venom?

neurotoxin

A(n) _________ is an organism that lives on or within another organism, causing harm to the host by feeding on products produced by the host.

parasite

An arthropod that feeds only on blood probably has which type of mouthparts?

piercing/sucking

A(n) ___________ is an organism that kills and feeds on another whole organism (other than a plant).

predator

Most arthropods have what type of reproduction?

sexual

Which is the SMALLEST group of classification?

species

The opening on an arthropod body surface that allow for air transfer is called:

spiracle

Kissing bugs transmit disease through which horizontal transmission mechanism?

stercorian

The term "entomology" literally means:

study of insects

Insect legs are found where?

thorax

"In arthropods, where is the nerve cord found?"

ventrally

Which is the most common insect parasitoid?

wasps