ls holt insect notes

INSECTS HOLT CH. 29-3 PG. 712-715

INSECT CHARACTERISTICS 

Share similar body plan

INSECT CHARACTERISTICS  

Share similar body plan Specilized mouthparts for feeding

INSECT CHARACTERISTICS   

Share similar body plan Specilized mouthparts for feeding Unique life cycle

INSECT CHARACTERISTICS    

Share similar body plan Specilized mouthparts for feeding Unique life cycle Ability to fly

INSECT CHARACTERISTICS     

Share similar body plan Specilized mouthparts for feeding Unique life cycle Ability to fly 3 pair walking legs

ADAPTATIONS FOR FEEDING 

MANDIBLES-

ADAPTATIONS FOR FEEDING  

MANDIBLESSuck up liquid nutrients

ADAPTATIONS FOR FEEDING   

MANDIBLESSuck up liquid nutrients Chew wood (termites/carpenter ants)

ADAPTATIONS FOR FEEDING    

MANDIBLESSuck up liquid nutrients Chew wood (termites/carpenter ants) Eat hard seeds (harvester ants)

ADAPTATIONS FOR FEEDING     

MANDIBLESSuck up liquid nutrients Chew wood (termites/carpenter ants) Eat hard seeds (harvester ants) Suck nectar from deep inside flowers

ADAPTATIONS FOR FLIGHT 

Lightweight body

ADAPTATIONS FOR FLIGHT  

Lightweight body Wings

ADAPTATIONS FOR FLIGHT  

Lightweight body Wings 

Develop from sac-like outgrowths

ADAPTATIONS FOR FLIGHT  

Lightweight body Wings 



Develop from sac-like outgrowths Made of chitin

ADAPTATIONS FOR FLIGHT  

Lightweight body Wings 

 

Develop from sac-like outgrowths Made of chitin Some have 2 pair

ADAPTATIONS FOR FLIGHT  

Lightweight body Wings 

  

Develop from sac-like outgrowths Made of chitin Some have 2 pair Strengthened by veins

ADAPTATIONS FOR FLIGHT  

Lightweight body Wings 

  



Develop from sac-like outgrowths Made of chitin Some have 2 pair Strengthened by veins

Strong muscles to power flight

FLYING INSECTS 

‘ptera’=wing

FLYING INSECTS  

‘ptera’=wing COLEOPTERA=beetles 

First pair of wings=sheild

FLYING INSECTS  

‘ptera’=wing COLEOPTERA=beetles 



First pair of wings=sheild

DIPTERA=flies/mosquitoes 

2nd pair of wings used for stability

FLYING INSECTS  

‘ptera’=wing COLEOPTERA=beetles 



DIPTERA=flies/mosquitoes 



First pair of wings=sheild 2nd pair of wings used for stability

LEPIDOPTERA=butterflies/moths 

Wings covered in tiny scales

FLYING INSECTS  

‘ptera’=wing COLEOPTERA=beetles 



DIPTERA=flies/mosquitoes 



2nd pair of wings used for stability

LEPIDOPTERA=butterflies/moths 



First pair of wings=sheild

Wings covered in tiny scales

HYMENOPTERA=bees/wasps/ants 

Wings fold over abdomen when not used

INSECT LIFE CYCLE 

METAMORPHOSIS-dramatic physical change

INSECT LIFE CYCLE 

METAMORPHOSIS-dramatic physical change 

COMPLETE METAMORPHOSIS

INSECT LIFE CYCLE 

METAMORPHOSIS-dramatic physical change 

COMPLETE METAMORPHOSIS  

EGG LARVA-worm-like stage/eats LOTS

INSECT LIFE CYCLE 

METAMORPHOSIS-dramatic physical change 

COMPLETE METAMORPHOSIS   

EGG LARVA-worm-like stage/eats LOTS PUPA-resists cold/dry—no eating  CHRYSALIS-butterflies  COCOON-moths

INSECT LIFE CYCLE 

METAMORPHOSIS-dramatic physical change 

COMPLETE METAMORPHOSIS   

EGG LARVA-worm-like stage/eats LOTS PUPA-resists cold/dry—no eating  CHRYSALIS-butterflies  COCOON-moths



ADULT

INCOMPLETE METAMORPHOSIS 

EGG

INCOMPLETE METAMORPHOSIS  

EGG NYMPH-small, wingless, non-reproductive form of adult

INCOMPLETE METAMORPHOSIS   

EGG NYMPH-small, wingless, non-reproductive form of adult ADULT

SOCIAL INSECTS 

Divide labor, parental care

SOCIAL INSECTS  

Divide labor, parental care Communicate between individuals

SOCIAL INSECTS   

Divide labor, parental care Communicate between individuals CASTE-individuals role in social community

SOCIAL INSECTS    

Divide labor, parental care Communicate between individuals CASTE-individuals role in social community PHERMONES-hormone-like chemical used for communication

SOCIAL INSECTS     

Divide labor, parental care Communicate between individuals CASTE-individuals role in social community PHERMONES-hormone-like chemical used for communication HONEYBEES

SOCIAL INSECTS     

Divide labor, parental care Communicate between individuals CASTE-individuals role in social community PHERMONES-hormone-like chemical used for communication HONEYBEES 

QUEEN-lays eggs

SOCIAL INSECTS   

 

Divide labor, parental care Communicate between individuals CASTE-individuals role in social community PHERMONES-hormone-like chemical used for communication HONEYBEES  

QUEEN-lays eggs WORKER-female, sterile, cleans/cares/gets food/repairs

SOCIAL INSECTS     

Divide labor, parental care Communicate between individuals CASTE-individuals role in social community PHERMONES-hormone-like chemical used for communication HONEYBEES   

QUEEN-lays eggs WORKER-female, sterile, cleans/cares/gets food/repairs DRONE-male

SOCIAL INSECTS     

Divide labor, parental care Communicate between individuals CASTE-individuals role in social community PHERMONES-hormone-like chemical used for communication HONEYBEES   



QUEEN-lays eggs WORKER-female, sterile, cleans/cares/gets food/repairs DRONE-male

TERMITES

SOCIAL INSECTS     

Divide labor, parental care Communicate between individuals CASTE-individuals role in social community PHERMONES-hormone-like chemical used for communication HONEYBEES   



QUEEN-lays eggs WORKER-female, sterile, cleans/cares/gets food/repairs DRONE-male

TERMITES 

QUEEN-lays eggs

SOCIAL INSECTS    



Divide labor, parental care Communicate between individuals CASTE-individuals role in social community PHERMONES-hormone-like chemical used for communication HONEYBEES   



QUEEN-lays eggs WORKER-female, sterile, cleans/cares/gets food/repairs DRONE-male

TERMITES  

QUEEN-lays eggs KINGS-males

SOCIAL INSECTS     

Divide labor, parental care Communicate between individuals CASTE-individuals role in social community PHERMONES-hormone-like chemical used for communication HONEYBEES 

 



QUEEN-lays eggs WORKER-female, sterile, cleans/cares/gets food/repairs DRONE-male

TERMITES   

QUEEN-lays eggs KINGS-males WORKERS-gather food, raise young, excavate tunnels

SOCIAL INSECTS     

Divide labor, parental care Communicate between individuals CASTE-individuals role in social community PHERMONES-hormone-like chemical used for communication HONEYBEES 

 



QUEEN-lays eggs WORKER-female, sterile, cleans/cares/gets food/repairs DRONE-male

TERMITES    

QUEEN-lays eggs KINGS-males WORKERS-gather food, raise young, excavate tunnels SOLDIERS-defend colony

SUBPHYLUM MYRIAPODA 

MYRIAPODA=many legs

SUBPHYLUM MYRIAPODA  

MYRIAPODA=many legs CENTIPEDES-

SUBPHYLUM MYRIAPODA  

MYRIAPODA=many legs CENTIPEDES

One pair of legs/segment (silverfish)

SUBPHYLUM MYRIAPODA  

MYRIAPODA=many legs CENTIPEDES

One pair of legs/segment (silverfish)

SUBPHYLUM MYRIAPODA  

MYRIAPODA=many legs CENTIPEDES

 

One pair of legs/segment (silverfish) Flat Poisonous

SUBPHYLUM MYRIAPODA  

MYRIAPODA=many legs CENTIPEDES

 

One pair of legs/segment (silverfish) Flat Poisonous

SUBPHYLUM MYRIAPODA  

MYRIAPODA=many legs CENTIPEDES

 



One pair of legs/segment (silverfish) Flat Poisonous

MILLIPEDES 

2 pair of legs/segment

SUBPHYLUM MYRIAPODA  

MYRIAPODA=many legs CENTIPEDES  



One pair of legs/segment (silverfish) Flat Poisonous

MILLIPEDES  

2 pair of legs/segment round

SUBPHYLUM MYRIAPODA  

MYRIAPODA=many legs CENTIPEDES  



One pair of legs/segment (silverfish) Flat Poisonous

MILLIPEDES   

2 pair of legs/segment round scavengers