What makes an insect, an insect? - Ohio State University...Insect Development Insects transform from...
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What makes an insect, an insect?
Transcript of What makes an insect, an insect? - Ohio State University...Insect Development Insects transform from...
Whatmakesaninsect,aninsect?
Head(sensory)
Thorax(locomo3on)
Abdomen(Rs/Dg/El/Rp)
LegParts
CompoundEye
AntennaCoxa(hip)
Femur
TibiaTarsus
Claw
FrontWing HindWing
HindWingRemoved
Exoskeleton–anexternalskeletonthatbothprotectsandsupportstheinsect’sbody.
InsectEyes
DragonFly
LonghornedBeetle
SwallowtailCaterpillar
Spider
PrayingManAs
InsectMouthPartsTwoGeneralTypes:
ChewingSucking
GrasshopperChewing
HoneybeeLapping
PiercingSucking
PiercingSucking
Mosquito
Flea
Cicada
Housefly-SpongingBuQerflySiphoning
ThripsRasping/Sucking
InsectMouthParts
Chewing
Sucking
Sponging
PiercingSucking
Siphoning
ChewingEvidence
JapaneseBeetle
EvidenceofPiercingSucking
InsectAntennae
Moth
GroundBeetle
InsectWings
FrontandHindWings
Whatelsehaswings?
Birds
Bats
MulAColoredAsianLadyBeetle
ExcepAons
BoxelderBugNymphs
InsectDevelopment
InsectstransformfromeggtoadultintwodisAnctwaysIncompleteMetamorphosis–insectsprogressthroughachangeinsizebutnotinform.CompleteMetamorphosis–InsectsprogressthroughadramaAcchangeinform.
Examples:Grasshoppers,PrayingmanAds,Termites,Aphids,TrueBugs,Earwigs,etc.
IncompleteMetamorphosis
Theexoskeletonmustbemoltedbetweenthedifferentsizes(instars).
Nymph
Eggs
Adults
Adult
ChinchBug
Examples:Ants,Bees,Wasps,BuTerflies,Fleas,Flies,Beetles,Moths
CompleteMetamorphosis
Growthbetweenthedifferentlarvalinstarsmustbeaccompaniedbymol3ng.
MothraEgg
MothraLarva
MothraAdultwithGodzilla
Secondinstar
CecropiaMoth
ThirdInstar
FourthInstar
FiVhInstar
BegintoSpin
Cocoon
FullyDevelopedFiVhInstar
PupaRevealed
Cocoonase
JuvenileHormone
JuvenileHormoneEffectsonPyrrhocorisapterus(Firebug)
5thInstarNymph
Adult“6thInstarNymph”
“7thInstarNymph”
normal
+ JH
+ JH
InsectOrders
PictorialOverviewandNotaLaAnLesson.
Kingdom:Animalia
Class:HexapodaorInsecta(Insects)Phylum:Arthropoda(“JointedFoot”animals)
Order:Diptera,Coleoptera,etc.
StressSpeciesDiversity
Insectscanbefriendly
Insectscanbecool
Order:Diptera• Flies,Mosquitoes• Onlyhaveasinglepairofwings&andapairofhalteresinplaceofhindwings
CraneFly
Halteres
Order:Diptera
• OnlyfemalestakeabloodmealforeggproducAon• ManyfuncAonasdecomposers• Completemetamorphosis• Spongingandpiercing/suckingmouthparts• 18.2K,120K
SpeciesinNorthAmerica
SpeciesWorldwide
• Flies,Mosquitoes• Onlyhaveasinglepairofwings&andapairofhalteresinplaceofhindwings
AdultHorseFly
AdultHouseFly
singlyorraV-like
fourlarvalstagesin~week
wigglers
tumblers
~threedays
AdultfemalemosquitoesarereadyforabloodmealonetotwodaysaVeremergence
