INTRO TO ENTOMOLOGY

meaning of anthro

joint

meaning of pod

foot

class of phylum arthropoda (4)

1. Crustacea

2. arachnida

3. insecta

4. myriapoda

body divided into segments

tagmatization

3 parts of tagmatization

1. Head

2. Thorax

3. Abdomen

Where is the deposition of chitin

exoskeleton

division of cuticle

schlerite

schlerite

1. tergum

2. sternum

3. pleuron

space full of hemolymph

hemocoele

heart

large dorsal artery

branches and ramifies with internal organs

trachea and tracheoles

digestion parts

1. foregut or stomodeum

2. midgut or mesenteron

3. hindgut or proctodeum

ingestion, passage, food disintergration

foregut or stomodeum

food storage and enzyme secretion

midgut or mesenteron

food absorption and fecal expulsion

hindgut or proctodeum

upmost

crop

down to the upmost

gizzard

third to the upmost and middle

malphigian tubes

2nd to the lowest part

ileum

lowest part

colon

excretion in insects and mites

malpighian tubes

excretion in crustaceans

nephridia

excretion in arachnids

coxal gland

brain

supraesophageal center

parts of nervous system

1. supraesophageal center

2. ganglionated ventral nerve cord

parts of female reproduction

1. ovary

2. oviduct

3. uterus

4. vagina

5. spermatheca

parts of male reproduction

1. testes

2. vas deferens

3. seminal vesicle

4. penile organ

2 types of arthropod development

1. complete/ complex/ holometabolous life cycle

2. incomplete/ simple/ hemimetabolous

4 stages - egg, larva, pupa, adult

complete/ complex/ holometabolous life cycle

1 or 2 stages missing except the adult stage

incomplete/ simple/ hemimetabolous

stages in life cycle: unsegmented

egg

stages in life cycle: feeding stage

larva/ maggot/ grub/ caterpillar

stages in life cycle: quiescent

pupa

stages in life cycle: leaves the egg with similar morphology with adult

nymph

stages in life cycle: reproductive stage

adult

stages in life cycle: young adult

imago

periodic shedding or moulting of exoskeleton

ecdysis

term for immature insect between each ecdysis

instar

length of time spent between each ecdysis

stadium

types of larva

1. polypod

2. oligopod

3. apodous

complete leg

polypod

thoracic legs only

oligopod

no legs

apodous

caterpillar

polypod

beetle

oligopod

maggots

apodous

types of pupa

1. exarate

2. obtectate

3. coarctate

wing and legs free from body

exarate

wings and legs bound to body by moulting fluid

obtectate

last larval skin retained; hardened skin (puparium) encloses pupa

coarctate

ex of exarate

beetles

ex of obtectate

mosquito and tabanus

ex of coarctate

musca and oestrus

types of female

1. oviparous

2. ovoviviparous

3. viviparous/ larviparous

4. pupiparous

5. parthenogenetic

lays undeveloped eggs

oviparous

lays larvated eggs

ovoviviparous

lays larva such as oestrus and sarcopahaga

viviparous or larviparous

lays larva that immediately turns into pupa such as tse tse flies and hippoboscids

pupiparous

reproduce without fertilization

parthenogenetic

mouthparts are used for biting and grinding solid foods

mandibulate (chewing)

mouthparts are primarily used for sucking liquids with or without stylet

haustellate

mouthparts lacks stylets and are used to suck liquids

siphoning

mouthparts are used to sponge and suck liquids

sponging