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
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MANDIBLES-
ADAPTATIONS FOR FEEDING
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MANDIBLESSuck up liquid nutrients
ADAPTATIONS FOR FEEDING
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MANDIBLESSuck up liquid nutrients
Chew wood (termites/carpenter ants)
ADAPTATIONS FOR FEEDING
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

MANDIBLESSuck up liquid nutrients
Chew wood (termites/carpenter ants)
Eat hard seeds (harvester ants)
ADAPTATIONS FOR FEEDING


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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
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
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
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‘ptera’=wing
FLYING INSECTS
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‘ptera’=wing
COLEOPTERA=beetles
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First pair of wings=sheild
FLYING INSECTS


‘ptera’=wing
COLEOPTERA=beetles


First pair of wings=sheild
DIPTERA=flies/mosquitoes
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2nd pair of wings used for stability
FLYING INSECTS


‘ptera’=wing
COLEOPTERA=beetles


DIPTERA=flies/mosquitoes
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
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
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
2nd pair of wings used for stability
LEPIDOPTERA=butterflies/moths
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
First pair of wings=sheild
Wings covered in tiny scales
HYMENOPTERA=bees/wasps/ants

Wings fold over abdomen when not used
INSECT LIFE CYCLE
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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
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EGG
INCOMPLETE METAMORPHOSIS
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
EGG
NYMPH-small, wingless, non-reproductive
form of adult
INCOMPLETE METAMORPHOSIS
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
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EGG
NYMPH-small, wingless, non-reproductive
form of adult
ADULT
SOCIAL INSECTS
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Divide labor, parental care
SOCIAL INSECTS
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
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