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时间:2020-06-01
《钝叶榕三种榕小蜂的关键形态和行为差异研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、四川动物2013年第32卷第2期SichuanJourn~ofZoologyVo1.32No.22013DOI:10.3969/j.issn.1000—7083.2013.02.008钝叶榕三种榕小蜂的关键形态和行为差异研究李宗波,杨培,杨大荣(1.西南林业大学林学院,云南省森林灾害预警与控制重点实验室,昆明650224;2.中国科学院西双版纳热带植物园,昆明650223)摘要:比较钝叶榕三种同步进果的榕小蜂——钝叶榕传粉榕小蜂、杨氏金小蜂和Lipothymussp.的关键形态,结合它们的进果行为,分析非传粉榕小蜂的形态适应性和依赖传粉榕小
2、蜂进果的原因。结果表明,杨氏金小蜂和L一pothymussp.的胸部、前后足均趋同于钝叶榕传粉榕小蜂,但两者体表较为光滑,有鳞片状刻纹,少毛,且触角第三部分未衍生出刺突形结构,下颚也无骨板。钝叶榕传粉榕小蜂利用刺突和下颚来撬动苞片,形成微小开口,这一过程约耗费总进果时问的2/3。无论钝叶榕传粉榕小蜂是否进入果腔,一旦苞片处形成开口,杨氏金小蜂和Lipothym瑚sp.即可顺利进入,进入果腔的时间无显著的差异。因此,缺少刺突形结构和骨板是杨氏金小蜂和Lipothymussp.不能独自进果的关键,也意味两者进果必须依赖钝叶榕传粉榕小蜂。关键词:
3、钝叶榕;传粉榕小蜂;非传粉榕小蜂;进果产卵;形态适应性;行为;刺突;骨板中图分类号:Q964;Q968.1文献标识码:A文章编号:1000—7083(2013)02—0199—06DiferencesofKeyMorphologyandBehavioralCharacteristicsbetweenThreeFigWaspsinFicuscurtipesLIZongbo,YANGPei,YANGDarong(1.KeyLaboratoryofForestDisasterWarningandControlinYunnanProvince,Co
4、llegeofForestry,SouthwestForestryUniversity,Kunming650224,China;2.XishuangbannaTropicalBotanicalGarden,ChineseAcademyofSciences,Kunming650223,China)Abstract:Totestmorphologicaladaptationandentrancedependencyofnon-pollinatingfigwasps,experimentswerede—signedtoanalyzetiledif
5、ferencesofkeymorphologyandbehavioralcharacteristicsbetweenthreeinternallyovipositingpara—sites,Eupristinasp.,DiaziellayangiandLipothymussp..Theresultsindicatedthatthemorphologyofthorax,forelegandhindlegoftwonon—pollinatingwasps,D.yangiandLipothymussp.,werehighlyconvergentt
6、otheobligatepollinatingwasp,Eupristinasp..However,bothofD.yangiandLipothymussp.possessedsmoothbodysurfaceareawithflake—shapedgrooveandsparsehair.Furthermore,therewasnospine—likeexpansiononthethirdantennalsegmentorlamellaebearonthemandible.Accordingtobehavioralobservation,E
7、upristinasp.dugthebractostiolewithspine—likeexpansionandman—dibleforoneslightlyslit.Thisprocessconsumed2/3allofthetotaltime.Onceslitwereshaped,D.yangiorLipothymussp.couldsmoothlyenterthe堍cavityindependently.Therewerenostatisticallysignificantdifferenceintimeconsumingbe—twe
8、enD.yangiandLipothymussp..Therefore,wecoulddrawaconclusionthatthedeficiencyofspine—likeex
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