Ento General Knowledge/Terms + Vocab

What color can insects NOT see?

Red

What does ‘Arthropod’ mean?

Jointed foot

A stiff structure resembling a hair or a bristle that covers almost all of an insect

Setae

What differentiates insects from arachnids?

Insects have 6 legs, arachnids often have 8

Tympana

Specialized body parts of an insect that function as ears

Parthenogenesis

Asexual reproduction with an unfertilized egg

Asexual reproduction with an unfertilized egg

Parthenogenesis

What is a secondary pest?

A pest that is damaging an already weakened plant

Name for animals with no backbone

Invertebrate

What is the hardened wing on a beetle called?

Elytra

Holometabolous

Insects that undergo complete metamorphosis

Insects that undergo complete metamorphosis

Holometabolous

Rostrum

Specialized elongated ‘snout’ on insects like weevils & scorpion flies

Carrion

Dead animals

Name for a specialized elongated snout on an insect

Rostrum

Hemimetabolous

Half-metamorphosis/Simple metamorphosis

Stridulation

The process of crickets making sounds by rubbing their legs against their wings

Trophollaxis

The transfer of fluids between insects, seen in social insects

Copulation

Sexual reproduction

Ectothermic

Cannot regulate body temperature

Ootheca

An egg casing that contains more than one egg (seen in praying mantis and cockroaches)

Frass

The excrement of a boring or leaf-eating insect

Ovipositor

Egg duct - seen in Ichneumon wasps

Naiad

An aquatic nymph (in simple metamorphosis)

Chitin

Hard substance that fills the exoskeleton

Compound eye

An eye made up of multiple, smaller ocelli or facet

Ocelli

Eyes that make up a compound eye - also called facet

Facet

Eyes that make up a compound eye - also called ocelli

Detection tree

Tree that attracts pests - also called trap tree

poikilotherms

animals that have body temperatures that change with the environment

Trap tree

Tree that attracts pests - also called detection tree

Host species

The host in a parasitic relationship

Instars

The time period in between molts (simple and complete)

Pheromone

Chemical signal released by animals to communicate or affect the behavior of others

Viviparity

Development of the embryo inside the body of the mother/Live birth

Diapause

A dormant state typically during unfavorable conditions like winter

How do insects survive winter? (3)

Producing natural ‘antifreeze’, finding insulated shelter, or entering diapause

Hexapoda

Subcategory of arthropods; made up of springtails and insects

how many sets of wings do Insects in the order Diptera have?

0-2 functional wings

How many sets of wings do Insects in the order hymenoptera have?

Two

how do Insects not freeze in the winter (1)

They replace their body water with glycerol

What are the specialized antennae on a moth called?

bipectinate or plumose antennae

How many stomachs do bees have?

Two

Scopa

Specialized hairs that bees use to collect and transfer pollen

Specialized hairs that bees use to collect and transfer pollen

Scopa

Wing coupling

The hind wings hook onto the forewings to act as a single unit

What is it called when the hind wings hook onto the forewings to act as a single unit

Wing coupling

What is the first (closest to the abdomen) segment on an Insects leg called?

The femur

What is the joint that connects an Insects leg to an Insects thorax?

The coxa

What do Insects have on their feet that are used to grip things?

The tarsal claws

What defines a true bug?

specialized piercing-sucking mouth parts (proboscis) and by their fore wings (hemielytra)

Hemielytra

Fore wings that are hard at the base, and membranous at the tips - unique to hemipterans

Olfactory

The sense of smell

exuvium

The empty exoskeleton or cast skin left behind after shedding

What pest is the most detrimental to cotton and alfalfa?

tomato hornworms

Lace bug damage is especially detrimental to which landscaping plant?

Rhododendron

Which insect & larva are well controlled by a milky spore application to the soil?

japanese beetle

Pollution that comes from a specific, identifiable place is referred to as:

Point source

Do most insects reproduce sexually?

Yes

Are carpenter bees social?

no

Are bumble bees social?

yes

A pesticide that takes a long time to break down after it is applied is called:

A persistent

Which direction does blood flow through the insect heart?

Back to front

How many segments are in the typical insect abdomen?

11

Spiracles

Small, external, paired openings that act as crucial breathing holes for respiration

Where are most spiracles found

The abdomen and thorax

How many segments does an Insects thorax have?

3, Prothorax, Mesothorax, Metathorax

what three main segments is an Insects thorax made up of (NAMES)

Prothorax, mesothorax, and metathorax

Cat facing

Scarring of fruits in response to pest damage

Eclosion

the process of an adult insect emerging from its pupal case (chrysalis or cocoon)

What is the process of an adult insect emerging from its pupal case (chrysalis or cocoon) called

Eclosion

What is the abdomen specialized for?

Digestion, reproduction, excretion, and respiration

which insect order has the most species?

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

What is Dolbears law

Predicting air temperature with cricket chirps

the coxa, trochanter, femur, tibia and tarsus are all part of what body part?

The legs

what is the difference between a cocoon and a chrysalis?

A chrysalis is a ‘hardened’ pupa, while a cocoon is a protective silk casing spun around a pupa

Which direction does blood flow through the insect heart?

Back to front

Insects may have wings attached to all sections of the thorax (Prothorax, mesothorax, metathorax) EXCEPT:

The prothorax

True or false? Adult fleas, adult bedbugs, and adult female mosquitoes feed only on blood and nothing else.

True

‘Scale-wing’ refers to which order?

Lepidoptera

‘membrane-wing’ refers to which order?

Hymenoptera

‘Same-wing’ refers to which order?

Homoptera

‘Half-wing’ refers to which order?

Hemiptera

‘Nerve-wing’ refers to which order?

Neuroptera

‘Skin-wing’ refers to which order?

Dermaptera

‘Shealth-wing’ refers to which order?

Coleoptera

‘Two-wing’ refers to which order?

Diptera

‘Long-wing’ refers to which order?

Mecoptera

What is the purpose of a relaxing chamber?

To rehydrate Insects for pinning

‘Large-winged’ refers to which order

Megaloptera