半翅目昆虫前翅翅脉比较形态学研究分析

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1、....页眉河南科技大学毕业设计（论文）半翅目昆虫前翅翅脉比较形态学研究姓名院（系）林学院专业植物保护指导教师2013年5月30日....页脚.....页眉半翅目昆虫前翅翅脉比较形态学研究摘要本次实验，我们通过比较形态学的方法来研究观察半翅目不同种属间昆虫前翅的特点。通过实验研究，我们可以了解到，半翅目昆虫不同科属间昆虫前翅翅脉存在着明显的差异，并且同一科属间不同种属的昆虫前翅翅脉也存在显著差异。猎蝽科的前翅翅脉简单。前翅只有革片和膜片，没有爪片。革片上有两条主脉，纵脉R脉和M脉。膜片基部有2个封闭的翅室，室端各伸出2条纵脉。姬蝽科的前翅翅脉复杂。前翅分为

2、革片、爪片和膜片。革片和爪片上没有明显的翅脉；膜片上近臀前区的两条纵脉间有多条横脉，形成多个闭合的翅室，从膜片基部有许多纵脉，每条纵脉有4-5条分脉。长蝽科的前翅翅脉简单。前翅分为革片、爪片和膜片。革片和爪片上没有明显的翅脉，膜片上有4—5条纵脉。红蝽科的前翅翅脉复杂。前翅分为革片和膜片，没有爪片。革片上有2条明显的纵脉，R脉和M脉，都不具分支。R脉和M脉中段有一片加深区域，连接了R脉和M脉。膜片有2—3个翅室，每翅室有3—4条纵脉伸出，纵脉又有4-5条分脉。关键词：半翅目；翅脉；形态学；比较....页脚.....页眉COMPARATIVEMORPHOLO

3、GYOFHEMIPTERAFOREWINGVEINSABSTRACTInthisexperiment,weadoptedthemethodofthecomparativemorphologytoresearchthecharacteristicsofHemipterainsectwingbetweendifferentspecies.Throughexperimentalstudy,wecanlearnthereareobviousdifferencesinforewingveinsoftheHemipteraindifferentfamilies,and

4、differentspeciesofinsectsinthesamefamilyandgenusforewingveinstherearealsosignificantdifferences.TheforewingveinsofReduviidaearesimple.Forewingonlyhasleatherpieceandthediaphragm,noclawpiece.Therearetwomainveinsinleatherpiece,RveinsandMveins.Therearetwoclosedcellsindiaphragmbase,and

5、twolongitudinalveinsextendfromchamberend.TheforewingveinsofNabidaeareverycomplex.Forewingisdividedintoleatherpieces,clawpiecesandthediaphragm.Leatherpiecesandclawspieceshavenoobviousveins.Therearemultiplecrossveinsbetweentwolongitudinalveinsofdiaphragmnearthehipareaformingaplurali

6、tyofclosedcells.Fromthebaseofthediaphragmhasmanylongitudinalveins,eachwith4-5accessoryveins.TheforewingveinsofLygaeidaearesimple.Forewingisdividedintoleatherpieces,clawpiecesandthediaphragm.Leatherpiecesandclawspieceshavenoobviousveins.Diaphragmhas4-5longitudinalveins.Theforewingv

7、einsofPyrrhocoridaeareverycomplex.Forewingonlyhasleatherpieceandthediaphragm,noclawpiece.Therearetwomainveinsinleatherpiece,RveinsandMveins.Diaphragmhas2-3cells,eachcellhas3-4longitudinalveins,andeachlongitudinalveinextendanother4-5accessoryveins.....页脚.....页眉KEYWORDS:Hemiptera;ve

8、ins;Morphology;comparison....页脚..