NDLI: Chemical defense of the ladybird beetle Epilachna paenulata

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Chemical defense of the ladybird beetle Epilachna paenulata

Content Provider	Semantic Scholar
Author	Camarano, Soledad Gonzalez, Andres Rossini, Carmen
Copyright Year	2006
Abstract	Summary.The defensive chemistry of the ladybird beetle Epilachna paenulata (Coleoptera: Coccinellidae) was characterized as a mixture of piperidine, homotropane and pyrrolidine alkaloids. Whole body extracts of adult beetles contain four major alkaloids: 1-(6-Methyl-2,3,4,5-tetrahydro-pyridin-2-yl)-propan-2-one; 1-(6-methyl-2-piperidyl)-propan-2-one; 9-aza-1-methyl-bicyclo[3.3.1]nonan-3-one and 1- (2′′- hydroxyethyl)-2-(12′-aminotridecyl)-pyrrolidine. Comparative studies of the defensive chemistry of eggs, larvae, pupae and adults showed both qualitative and quantitative differences in alkaloid composition among the four life stages, and also within adult age. Laboratory predation bioassays with wolf spiders showed that the adults are better protected than the larvae and pupae. Field tests showed the adult alkaloid extract to be deterrent to ants.
Starting Page	179
Ending Page	184
Page Count	6
File Format	PDF HTM / HTML
DOI	10.1007/s00049-006-0342-z
Volume Number	16
Alternate Webpage(s)	https://page-one.springer.com/pdf/preview/10.1007/s00049-006-0342-z
Alternate Webpage(s)	https://www.zin.ru/animalia/coleoptera/addpages/Andrey_Ukrainsky_Library/References_files/Camarano06.pdf
Alternate Webpage(s)	https://doi.org/10.1007/s00049-006-0342-z
Journal	CHEMOECOLOGY
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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