小学二年级自然科学常识课-白蚁PPT课件

-,1,小学二年级常识课白蟻,-,2,LifeCycle生命周期,-,3,YoungTermiteKingandQueen年幼的白蟻皇/后,TermiteQueen白蟻后,TermiteKing白蟻皇,-,4,MatureTermiteQueen成熟的白蟻后,Canyoutellthelengthofthistermitequeen?你知道這隻白蟻后身體有幾長?,2cm,-,5,Alate飛白蟻,CanyoutellthebodystructureofAlates?你知道飛白蟻的身體結構嗎?,Head頭,Abdomen腹,Wings翅膀,-,6,Alate飛白蟻,DoyouknowtheresponsibilityofAlates?你知道飛白蟻的責任是什麼嗎?,ANSWER答案,Toexpandthetermitecolonyduringtheswarmingseason在繁殖季節時擴大白蟻社群,-,7,Soldier兵蟻,DoyouknowtheresponsibilityofSoldiers?你知道兵蟻的責任是什麼嗎?,Defendthecolony保衛家園Fightagainstotheraggressors.對抗其他侵略者,ANSWER答案,-,8,Buildupanest築巢Findthefood找食物Lookafterthequeen,larvaandeggs照顧白蟻后，白蟻幼蟲，白蟻蛋,Worker工蟻,DoyouknowtheresponsibilityofWorkers?你知道工蟻的責任是什麼嗎?,ANSWER答案,-,9,Doyouknowwhattheyare?你知道這是什麼嗎?,Theyaretermiteeggs這是白蟻蛋,-,10,Whatwillyouseeinatermitenest?在白蟻巢中你會看到,Workersarelookingafterthetermiteeggs工蟻在照顧白蟻蛋,Soldiersareprotectingtheworkersandthetermiteeggs兵蟻在保護工蟻和白蟻蛋,-,11,Termitemudtubing白蟻路,Sincetermitesdonothaveshelltoprotectthemselves,theycannotexposetoairorelsetheywilldiewithintwohoursduetodehydration.Thereforetheyneedtomake“mudtubes”tokeepthemoistureandforageunderit.由於白蟻沒有殼保護其身體，故此牠們不能長時間暴露於空氣中，否則牠們會在兩小時內因脫水而死，所以牠們需要築起“蟻路”以保持濕度，並以蟻路作為尋找食物的隧道。,-,12,Foragingroute尋找食物路線,Termitescanforage(woodasfood)foradistanceof500feetfromthecolony.Theymaygetintoourhousesthroughwaterpipesastheyprovidesmoisturetotermites.白蟻能夠離開巢穴五百呎尋找食物(木)。由於白蟻需要水份，牠們往往通過水管進入我們家裡。,-,13,Wherecanyoufindthetermitemudtubing?你在什麼地方可找到白蟻路?,Pavilionintheplayground遊樂場的休憩亭,Bottomofthedoorframe門框底部,-,14,Wherecanyoufindthetermitemudtubing?你在什麼地方可找到白蟻路?,Surfaceofthewoodenwall木牆表面,Surfaceoutsidethewatertank天台水箱外的位置,-,15,Whatdamageswilltermitemake?白蟻會造成什麼破壞?,Thewoodenfloorswellsup木地板會拱起Thewoodenfloorgetsblack木地板變黑,Thesurfaceofthewoodenfloorbecomesasthinasapaper木地板的表面變得像紙一樣薄,-,16,Whatdamageswilltermitemake?白蟻會造成什麼破壞?,Damageisfoundonthebaseboard對地腳線造成破壞,Damageisfoundonthedoorframe對門框造成破壞Thedoorframegetsblack門框變黑,-,17,Whatdamageswilltermitemake?白蟻會造成什麼破壞?,Termitesdamagetheinnerpartofthetree對樹木造成破壞,Termitesdamagetheintercomofthebuilding對大廈對講機造成破壞,-,18,Whatwouldyoudoifyoufoundtermitesathome?假如家裡發現白蟻，你會怎樣處理?,2.UseAntPowder?用螞蟻粉?,3.Firethetermites?燒白蟻?,4.Usedisinfectant?用消毒劑?,1.UseInsecticide?用殺蟲劑?,NO,-,19,Whatyoushoulddowhenyoufoundtermitesathome.發現白蟻時，你應該,Whenyoufoundtermites發現白蟻時,DonothingandDONTsprayinsecticide不要做任何事，更不應噴殺蟲劑,ContactaprofessionalPestControlC