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Title: Morphotaxonomy of immature stages of some economically important pyraloidea (ditrysia : lepidoptera) of Punjab
Researcher: Singh, Deepinderpal
Guide(s): Rose, H S
Keywords: Punjab
Upload Date: 23-Apr-2012
University: Punjabi University
Completed Date: October 2010
Abstract: The research work has been carried out on an entomological problem entitled, “MORPHOTAXONOMY OF IMMATURE STAGES OF SOME ECONOMICALLY IMPORTANT PYRALOIDEA (DITRYSIA : LEPIDOPTERA) OF PUNJAB”. The entire manuscript has been divided into six chapters viz., i) Introduction ii) Review of Literature iii) Materials, Methods and Procedure of study iv) Observations v) Summary and vi) Bibliography. Introduction The aim of updating of database of the superfamily Pyraloidea through investigations of different immature stages along with chaetotaxic studies of the immatures is an advanced step towards the identification and differentiation of various taxa. The present studies have direct as well as indirect application in Integrated Pest Management strategies for controlling the harmful species and to save the beneficial ones from biodiversity conservation point of view. Methodology The eggs and the larval instars of different species were collected from the field and brought to the laboratory for further rearing. The eggs laid by the females of different species were located and randomly collected and subsequently brought to the laboratory in glass vials along with the clippings of host plant/s, a part of beehive in case of greater wax moth and stored commodities in case of stored pest. The eggs were properly placed in the petridishes containing food material for hatching. Some of the eggs were preserved for photographs through Scanning Electron Microscope (SEM). As part of methodology, the larval instars of different species were kept in small transparent containers having a water soaked cotton pad containing a single layer of filter paper at the bottom of each container with fresh food plant clippings. The mature or fully grown larvae were shifted to larger transparent rearing containers. The freshly emerged adults were then shifted to the insect breeding cages of varied sizes. In order to record longevity, the adults were allowed to feed on an artificial diet containing 10% sugar solution. For life history studies, aspects such as egg laying behavior, incubation period, number of larval stages, larval duration, larval morphology, larval feeding pattern and behavior, concealment/shelter formation, pupation, pupal duration, adult emergence, adult behavior, adult longevity etc. have been investigated to get more information to strengthen the systematic account of different species. The eggs of the presently studied fifteen species have been scanned through Scanning Electron Microscope.
Pagination: iv, 281p.
Appears in Departments:Department of Zoology

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01_title.pdfAttached File3.89 MBAdobe PDFView/Open
02_certificate.pdf13.64 kBAdobe PDFView/Open
03_declaration.pdf13.39 kBAdobe PDFView/Open
04_contents.pdf23.05 kBAdobe PDFView/Open
05_acknowledgements.pdf46.38 kBAdobe PDFView/Open
06_chapter 1.pdf23.05 kBAdobe PDFView/Open
07_chapter 3.pdf721.25 kBAdobe PDFView/Open
08_chapter 4.pdf169.3 kBAdobe PDFView/Open
09_chapter 5.pdf73.13 kBAdobe PDFView/Open
10_appendix.pdf565.79 kBAdobe PDFView/Open
11_bibliography.pdf311.43 kBAdobe PDFView/Open
12_plates.pdf47.78 MBAdobe PDFView/Open
13_abstract.pdf13.38 kBAdobe PDFView/Open

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