ENTO 208

The insect alimentary system is responsible for:

"Acquiring and processing food, and eliminating wastes"

How many insect species did Dr. Terry Erwin estimate there to be in 1982?

30 million

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

80%

Insects make up what percentage of the ~1 032 000 described animal species?

80%

You get a nasty case of the flu. Now you have the antibodies to that particular strain. What type of immunity acquisition is this?

Active Natural

which stage of a parasitoid is free living?

Adult stage

The male sclerotized organ of copulation in insects is called the ___________, according to your text.

Aedeagus

Which organ functions to increase the volume of inspired and expired air?

Air sacs

_____________ metamorphosis is development in an insect characterized by no real change between the young and the adult

Ametabolous

Insects are in what kingdom?

Animalia

Which of the following is a venomous arthropod?

Arachnida Centipede Correct! All of these Scorpion Spider

Viruses vectored by arthropods are so common that we call them ____________.

Arbovirus

What type of organism causes plague?

Bacterium

Wuchereria bancrofti is the causative agent of what disease?

Bancroftian filariasis

The reduction in number or elimination of pest organisms by the interference with their ecology is known as:

Biological control

Fleas

Bubonic plague

Chagas disease is named for

Carlos Chagas

Crustacea have what body regions?

Cephalothorax and abdomen

The study of setal patterns on insects is known as:

Chaetotaxy

Kissing bugs

Chagas disease

The "fangs" of spiders are officially called:

Chelicera

Currently the country of ________is the world's largest producer of honey (according to your reading).

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

The corneal lenses of each ommatidium of the compound eye are made of modified:

Cuticle

Which of these describes biological transmission when the pathogen multiplies asexually within a vector with a change in form?

Cyclodevelopmental

"Setaceous antennae are short, bristle-like and found in ______"

Dragonflies

The actual act of shedding the old exoskeleton is called _____________.

Ecdysis

Mosquitoes

Encephalitis

Body lice

Endemic typhus

You find a vector that regularly enters homes to rest and eat. What do we call this type of vector?

Endophilic

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

Envenomation

The insect cuticle is secreted by the

Epidermis

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

Epinephrine

The malpighian tubules work to _______

Filter waste in the bloodstream

A non-living object that spreads disease is called a(n)___________.

Fomite

The moth's proboscis is made of the paired and elongated _____________, which is a lobe on the maxilla.

Galea

"The central nervous system of the insect is made up of fused, paired:

Ganglia

What are the thickened regions of nerve chords containing lots of nerve cells called?

Ganglia

The fluid-filled body cavity of arthropods is called:

Haemocoel

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

Haemolymph

Which of these is NOT a characteristic of a good vector?

Has a robust immune system

Diplopoda have what body regions?

Head and body

The hemolymph is found within the:

Hemocoel

__________refers to the capability of systems to self-stabilize in response to external forces or stressors, or more simply the capability of systems to maintain homeostasis refers to the capability of systems to self-stabilize in response to external forces or stressors, or more simply the capability of systems to maintain homeostasis.

Homeostatic capacity

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

In mosquitoes, the _____________ is greatly elongated and forms a singular stylet which contains a very thin salivary canal.

Hypopharynx

Clusters of undifferentiated cells present in holometabolous larvae that are replaced with adult structures during the pupal stage are called:

Imaginal discs

Where is the peritrophic envelope found?

In the midgut

Arthropod literally means:

Jointed leg

Which is the largest classification group?

Kingdom

What resin is used to make wood finish polish?

Lac

Which of these is NOT a part of the maxilla?

Ligula

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

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

Which organ of the mouthparts forms the main piercing organ in mosquitoes, according to your reading?

Maxilla

What is the most widespread form of host invasion by arthropods, according to your reading?

Myiasis

A disease that is primarily in birds but might be passed on to humans or other animals is called a(n):

Ornithonoses

What are the openings along the dorsal vessel ("heart") called?

Ostia

The insect's dorsal vessel is studded with openings along its length called _________, which allow for hemolymph to flow into the vessel.

Ostia (singular: ostium)

Which of these disease agents use freshwater snails and crabs or crayfish as intermediate hosts?

Paragonimus westermani

What name is given to the form of reproduction in which an unfertilized egg develops into a new individual?

Parthenogenesis

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

Pathogen

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

Pedipalpi

What is the midgut lining called?

Peritrophic membrane

The first pair of insect legs is on the ____________(use the proper name for the thoracic segment).

Prothorax

You find four pathogens: Q, T, W, and X. Pathogen Q that has an ID50 of 1, Pathogen T has an ID50 of 10, Pathogen W has an ID50 of 100, and Pathogen X has an of 1000. Which is the most virulent?

Q

The elastic protein in the integument of the flea that allows for storage of energy during jumping is called ____________.

Resilin

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

Rhinitis

Which of this is the most common and efficient method of horizontal transmission of disease?

Salvarian

Where are sperm stored in the male insect until they are ready to fertilize an egg?

Seminal vesicle

A(n) ____________ is an organism that has piercing and sucking mouthparts that penetrate individual capillaries and then feed directly on host blood.

Solenophage

What is the name of the pouch where sperm are stored after mating?

Spermatheca

What is the term we use for the duration of an instar, or the time between two successive molts, rather than the arthropod itself?

Stadium

The ______________ nervous system regulates endocrine function and coordinates alimentary functions

Stomatogastric

A(n) _____________ allergic reaction is when the allergic reaction spreads from a limited area of one organ to other organ systems in the body.

Systemic

The insect leg ends in the tarsus, which is divided into subsegments called ___________.

Tarsomeres

Loxosclese reclusa is:

The brown recluse spider

Centruoides vittatus is:

The most common scorpion in Texas

What is the life history of an organism?

The sequence of events in an organism's life that relate to its survival and reproduction

Lice have legs tipped with modified organs we call __________ claws.

Tibiotarsal

"When larval ticks contract Lyme disease and the infection is passed to subsequent life stages, what kind of disease transmission if this?"

Transstadial

Most insects have what type of survivorship curve?

Type III

A _________ is a living organism that spreads disease

Vector

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

Vector

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

Ventrally

The insect has a simple "heart" called the dorsal _________.

Vessel

When does a disease become a pandemic?

When it spreads through populations crossing international boundaries

Opisthognathous mouthparts face which direction?

backward

Latrodectus mactans is:

black widow spider

A susceptible host that allows a pathogen to establish an infection but doesn't allow it to be passed on to a new vector is called a(n):

dead-end host

The young of holometabolous insects are known as:

larvae

An "egg-bearing" strategy in insects is known as:

oviparous

What does the "R" stand for in R-selection theory?

population growth rate

Which of these is not useful for biological control? Introduction of ____

prey species