ento questions

To which body segment are the elytra attached?

mesothorax

The old shed skin left behind after an insect molts is known as the

excuvium

The eastern population of monarch butterflies overwinter in \______________.

Central Mexico

The abdomen of insects is specialized for:

reproduction and digestion

What is the primary function of the wax layer of the exoskeleton?

water barrier

\_____________ represents the most speciose order of insects, with approximately \_____________ species

Coleoptera, 400,000

Firebrats and silverfish are common household pests in the order \__________.

Thysanura

A tool used to collect insects using you mouth or a hand bulb and a small vial is called a/an

aspirator

A geniculate insect antenna is \_____________.

elbowed

\__________ is a family in the order \____________.

Chrysomelidae, Coleoptera

What is the visible characteristic that can be used to separate male and female mosquito adults?

males generally with plumose antennae, females with only a few short hairs

which structure would not be found on an insect's pretarsus?

trochanter

The Johnston's organ \___________.

all of the above (separates the class Insecta from the class Entonatha; senses physical environmental stimuli (vibrations, wind gravity); is used to detect changes between antennal segments.)

The following is the genus of the "yellow fever mosquito" and "Asian tiger mosquito" that vectors dengue, chikungunya and zika viruses.

Aedes

Dolbears law refers to what insect and enviromental relationship?

Predicting air temperature with cricket chirps.

the following sections are parts of an insect's leg:

coxa, trochanter, femur, tibia, and tarsus.

\_____ is found as both a supporting element in fungal cell walls and a key component of arthropod exoskeletons.

chitin

Predaceous diving beetles belong to what insect order?

coleoptera

which of the following insect groups has hemimetabolous development?

mayflies

The majority of honey bees in a colony are females and called \__________.

workers

An insect heart is best described as a \______________.

dorsal vessel

\_______ are thought to be one of the first arthropods

Trilobites

If an insect is described as zoophilic, that insect prefers \____ to \____.

animals; humans

Functions of the insect hemolymph includes:

all of the above (waste removal to excretory organs; hormone transplant; distribution of nutrients from the gut)

the reproductive organ in male insects for transferring sperm is the \__________.

aedeagus

when and where were the first fire ants discovered in North America?

Mobile, Alabama in the 1930s

Ground beetles and cockroaches have \_______________ legs used for running.

cursorial

The \_________ civilization regarded dung beetles as sacred.

Egyptian

What is the correct common name for Solenopsis invicta Buren?

red imported fire ant

Why do insects molt?

all of the above (to change from one instar to the other; to grow; to complete a step in metamorphosis)

The butterfly pupa is known as a \__________.

chrysalis

\_______ flour has been developed and marketed in recent years as a new form of supplemental protein and a cooking agent.

cricket

in which of the following insects do only the females suck blood?

mosquito

The prime cause of insect extinctions, at least of local populations if not species, is \___.

habitat loss

Mole crickets have \_______________ legs used for digging.

Fossorial

In what order of insects are the front wings known as "elytra?"

Coleoptera

Oothecas, or egg cases, belonging to what insect order?

Mantodea

Which of the following orders of insects is most clearly related to Diptera?

Siphonaptera

The \____ is the ventral surface of the thorax of insects

sternum

What order of insects is generally considered most important from a medical and veterinary standpoint?

Diptera

Which insect structure develops from embryonic ectoderm?

brain

the insect abdomen contains:

all of the above (the digestion tract; organs for excretion; the reproductive tract)

a caterpillar of the cabbage butterfly is a common pest of \________.

vegetables

The body temperatures of insects changes with ambient environmental temperatures. Therefore, most insects cannot efficiently change their internal body temperature of the environment. The first sentence describes \________ while the second sentence describes \____________.

ectothermy and endothermy

In what two states would one be most likely to contract rabbit fever, a disease that can be carried by ticks?

Arkansas and Missouri

How does the honey bee queen decide the sex of her offspring?

By laying haploid eggs into large cells for drones, and diploid eggs into small cells for workers.

During the \_________, German cockroaches are very active.

night

Abdominal gills allow insects to utilize oxygen that is \____________________.

dissolved in the surrounding water

What structure protects the midgut from abrasion by food particles and acts as a sleeve?

peritrophic membrane

Webspinners belong to which insect order?

Embioptera

If an insect is described as having haustellate mouthparts, it means that the insect consumes
\_____________.

liquid food

Chemicals released from plants to attract parasitic or predaceous insects that combat herbivorious insects called \___________.

kairomones

The boll weevil Anthonomus grandis was a sever cotton pest belonging to which family of beetles?

Curculionidae

Blister beetles have what substance in their bodies that can be toxic to livestock?

cantharadin

the renowed myrmecologist \______________ established the field of sociobiology.

E.O. Wilson

Which of the following arthropods are not insects?

All of these are not insects (daddy long legs; tardigrade; isopod)

The eyes of caterpillars are called \_______.

stemmata

A dun is a fly fishing term used to describe what type of insect?

a mayfly sub-adult

\__________ secrete a bubbly liquid covering on plants to conceal themselves or their eggs.

spittle bugs

\_________ is the appropriate concentration of ethanol to preserve most insects.

70%

As juvenile hormone levels fall in the hemolymph, what reaction is triggered in insects?

immature forms start to change towards adulthood

The butterfly that mimics the monarch in coloration because of the distastefulness of monarchs to predators is the \____________.

Viceroy

The following are some of the major insect wing veins:

costa, radius, cubitus

The pleural suture lies just posterior to the \__________.

episternum

\_________ do not belong to the order hemiptera

bristletails

Which of the followings is the common name of the Mecoptera?

scorpionfly

Insects have evolved over a period of approximately \__________ years.

400 million.

Which structures are innervated by the protocerebum of an insect's brain.

compound eyes and ocelli

Some insect eggs hatch inside the mother's body before exiting. An insect with this type of reproduction is called \_________.

viviparous

The father of modern taxonomy who created the binomial system of nomenclature was \________.

Carl Linnaeus

Which part of the exoskeleton lies between the exocuticle and the wax layer?

cuticulin layer

Which structure is not part of an insect's antenna?

coxa

What is the principle energy source for most insects?

carbohydrates

In many insects, three light-sensitive "simple" eyes, or \____, are situated of the anterior vertex between the compound eyes.

ocelli

The "powder" left over from being in contact with moths or butterflies is actually tiny \__________.

scales

a measure of insect dispersion gives an indication of \___

The random, clumped, or uniform distribution of individuals across a given area

Axillary sclerites form points of attachment for muscles that control the:

wings

Approximately \_____________ species of insects are used as food in many parts of the world.

500

Which insects never develop wings?

fleas

Dermestid beetles that feed on dry and pinned specimens are commonly repelled with \______________

naphthalene

The absolute minimum information that must be associated with insect specimens after collection include \__________________.

location and date

All of the following insects have holometabolous development, except \_________________.

Thysanoptera

A \_________ is a trap used to separate insects from soil or leaf litter.

berlese funnel

What is a hematophagous insect?

One that feeds on blood.

Insects from this order do not act as pollinators:

Phasmatodea

Junctions between abdominal segments are best described as \________________.

telescoping

What are some reasons that could have influenced the large size of insects prehistorically?

higher oxygen levels in the atmosphere and fewer aerial predators

When an insect has a vestigial mouthpart, that insect \_______.

cannot eat

What does it mean when an insect is described as hemimetabolous?

The insect has a nymphal stage.

\___________ are the individual light-sensing and image forming units of the insect's compound eye.

ommatidia

what is the function of an aeropyle of an insect's egg.

gas exchange

Which structure would not be found on an insect's leg?

propodeum

What order of insect vectors Chagas disease?

Hemiptera

Cochineal is a natural product produced from:

scales

After its second molt an insect is a \_________ instar.

third

Which insect orders are exclusively herbivorous?

Orthoptera and Phasmatodea

\_____________ are the two orders of primitively wingless insects.

Archaeognatha and Thysanura

What do the orders Mantodea and Blattodea have in common?

eggs are produced inside a pouch or ootheca

Dermaptera or earwigs are most closely related to which insect order?

Orthoptera

Katydids belong to which insect order?

Orthoptera