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7B Management Of Wood Destroying Organisms: Unit 2. Pest Identification And Biology - Test Your Knowledge

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7B MANAGEMENT OF WOOD DESTROYING ORGANISMS: UNIT 2. PEST IDENTIFICATION AND BIOLOGY - TEST YOUR KNOWLEDGE

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7B MANAGEMENT OF WOOD
DESTROYING ORGANISMS: UNIT 2.
PEST IDENTIFICATION AND BIOLOGY -
TEST YOUR KNOWLEDGE
Whatmismthemmainmreasonmtomusemscientificmnamesmtomidentifympests?m-
mCORRECTmANSWERTomavoidmconfusion.mCommonmnamesmvarymwidely,mandmthesemnamesmaremno


tmconsistentmfrommplacemtomplace.mScientificm(Latin)mnamesmaremthemsamemthroughoutmthemworld.



Describemthemdifferencesmbetweenmincompletem(gradual)mandmcompletemmetamorphosis.m-
mCORRECTmANSWERIncompletem(gradual)mmetamorphosismismamtypemofminsectmdevelopmentmthat


mhasmthreemlifemstagesm(bodymforms):megg,mnymph,mandmadult.mThemnymphmresemblesmthemadultmi


nmbodymform.mCompletemmetamorphosismismamtypemofminsectmdevelopmentmthatmhasmfourmlifemsta
ges:megg,mlarva,mpupa,mandmadult.mThemimmaturemstagesmaremwormlikemandmlookmnothingmlikemthe
madult.




Whymismitmimportantmtomunderstandmthemlifem(developmental)mstagesmofminsectmpests?m-
mCORRECTmANSWER1.mItmwillmhelpmyoumidentifyminsectmpests,mwhichmmaymchangemradicallyminmap


pearancemfrommonemlifemstagemtomthemnext.



2.mThempresencemofmonemstagem(ex.manmadultmwood-
boringmbeetle)mcanmalertmyoumtomthempresencemofmammoremdestructivemlifemstagem(themlarva)mcausi
ngmdamageminmthemwood.



3.mItmwillmhelpmyoumdecidemwhichmstagemismmostmvulnerablemtomcontrol.



TermitesmbelongmtomanminsectmordermcalledmIsopteram("equalmwings").mWhy?m-
mCORRECTmANSWERBecausemthemfrontmandmhindmwingsmofmthemtermitemswarmersmaremthemsamem


sizemandmshape.mThismismdifferentmfrommmostmotherminsectsm(likemants)mwheremthemfrontmwingsmar
emtypicallymlargermandmdifferentminmshapemfrommthemhindmwings.

, Howmaremtermitesmablemtomdigestmcellulosemfrommwood?m-
mCORRECTmANSWERTermitesmhavemmicroorganismsm(protozoamandmbacteria)minmtheirmgut.mThese


mmicroorganismsmdigestmthemcellulose,mconvertingmitmintomsugarsmandmnutrientsmthatmtermitesmca


nmuse.



Whatmaremsocialminsects?m-
mCORRECTmANSWERInsectsmlikemtermitesmandmantsmthatmliveminmfamilymgroupsmcalledmcolonies.mW


ithinmthemcolonies,mspecializedmgroupsmofmtermitesmormantsm(castes)mperformmjobsmthatmbenefitmth
emcolonymasmamwhole.mInmthemtermitemcolony,mthemworkermcastemdoesmallmofmthemforagingmformfood
mandmismresponsiblemformfeedingmthemtermitemking,mqueen,mandmothermsiblings.mThemkingmandmque


enmtermitesmaremresponsiblemonlymformreproduction.mThemsoldiermcastemismresponsiblemformcolonym
defense.



Namemthreemdistinguishingmcharacteristicsmofmdrywoodmtermites.m-
mCORRECTmANSWER1.mDrywoodmtermitesmneedmnomcontactmwithmthemsoil.




2.mDrywoodmtermitemgalleriesmcutmacrossm(notmalong)mthemgrainmofmwood.m



3.mDrywoodmtermitesmproducemcylindricalmfecalmpelletsmthatmaremthemsamemcolormasmtheminfestedm
woodmandmhavemsixmdistinctmdepressionsmonmthemsides.



WhichmtypemofmtermitemismthemmostmeconomicallymimportantmpestminmthemUnitedmStates?mWhy?m-
mCORRECTmANSWERThemsubterraneanmtermite.mItmcausesmmillionsmofmdollarsmworthmofmdamagemt


ombuildings,mbooks,mdocuments,mandmphotographsmeachmyear.



InmVirginia,mhowmdomsubterraneanmtermitemcoloniesmbegin?m-
mCORRECTmANSWERDuringmthemdaylightmhoursminmthemspring,mlargemnumbersmofmtermitemswarme


rsm(newmkingsmandmqueens)mwillmemergemfrommtheirmparentmcoloniesmtombeginmtheirmmatingmflight
.mAftermtheirmflight,mtermitemswarmersmfallmtomthemgroundmandmtheirmwingsmbreakmoff.mMalesmandm
femalesmpairmupmandmbeginmamnewmnest,mlookingmformamspotmofmsoftmsoil.mAftermfindingmamsuitable
mspot,mthemnewmkingsmandmqueensmsealmthemselvesminsidemthemnestmtommate.mThemmatedmqueenm


willmthenmproducemhermfirstmbatchmofmeggs.mThesemeggsmwillmbecomemthemfirstmworkers.mThemkingm

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