Dissertation > Agricultural Sciences > Plant Protection > A variety of control methods > Biological control > The use of parasitic insects

Cladistics Analysis of the Phylogenetic Relationships Among the Cotesia Flavipes Complex(Hymenoptera:Braconidae:Microgas-trinae) and Bionomic of Cotesia Glomerata as a Parasitoid of Pieris Rapae

Author WangChangPing
Tutor YouLanShao
School Hunan Agricultural University
Course Agricultural Entomology and Pest Control
Keywords The borer flavipes Cotesia composite group Phylogenetic Cladistic analysis The Pieris rapae disk Apanteles Cabbage butterfly Biological characteristics
CLC S476.3
Type Master's thesis
Year 2005
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Borer Apanteles flavipes disc composite group Effects of Host flavipes complex ( Hymenoptera Head: Braconidae : the lower abdomen gifuensis subfamily ) distributed around the world five kinds and outgroup side Microplitis Microplitis and ditch abdominal Braconidae Diolcogaster the 70 traits , as well as composite group of five kinds of , and outgroup bollworm disk Apanteles the bee Effects of Host ruficrus , the the the armyworm disk Apanteles wasp Cotesia kariyai, butterflies disk Apanteles wasp Cotesia glomerata 67 traits , were carried out a comparative study , and use of support sequence analysis the Phylip Cladistic software in the composite group five interspecific phylogenetic relationships . Cladistic analysis showed the borer yellow enough Cotesia composite group is a monophyletic group , the stem borer disk of Apanteles C.chilonis and S. inferens Cotesia C.sesamiae relatives , Lo borer Cotesia C. chiloluteelli and Hanshou the Cotesia C.hanshouensis relatives , , the borer flavipes disk velvet Braconidae C.flavipes relatively independent . The above study shows that whether it is related genera as outgroup or belong to other species as outgroup , the results are basically could reflect a composite group of borer flavipes Cotesia various taxonomic status . In addition, through Larvae its parasitoid in - Pieris rapae disk velvet cocoon bee Cotesia glomegata (L.) indoor captivity , study of Pieris rapae Cotesia the Changsha area biology characteristics , the results show that in the Changsha, the Pieris rapae disk Apanteles bee January 2011 to July occurred at least four generations , from late April to the end of mid-July . The Pieris rapae January to July disk Apanteles parasitism four of the peak of early May , early June , late June , early July , the the parasitic rate range from 18.48% to 27.89% , respectively . The average duration from egg to adult ranged from 29.4 ā„ƒ 13.5 days to 20.3 ā„ƒ 16.2 days . The Pieris rapae Cotesia hi parasitic Pieris 2nd instar larvae , the larvae is not parasitic , rarely parasitic 4,5 larvae . Pieris rapae feeding honey the Cotesia life significantly longer than the the Pieris rapae Cotesia not feed honey .

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