Manjula K.N., Nalini U.R., Mamatha, N., Raja Rishi R. and Sundararaj R.*
Forest Protection Division, Institute of Wood Science & Technology, 18th Cross Malleswaram, Bangalore 560 003, India
Email: rsundararaj@icfre.org
Received-01.07.2024, Revised-03.08.2024, Accepted-21.08.2024
Abstract: Studies were conducted to determine the diversity of phytophagous insects associated with seven medicinal plants: Acorus calamus L., Adhatoda vasica (L.), Gymnema sylvestre (Retz.), Morinda citrifolia L., Mucuna pruriens (L.), Piper longum L., and Withania somnifera cultivated in Karnataka. The study revealed 60 species of phytophagous insects on these medicinal plants, which includes 17 species of defoliators, 41 sapsuckers, and two leaf miners. The sapsuckers were observed to be the most important insects, causing economic loss to medicinal plants. 37 species of insect pests, including five on A. calamus, seven on A. vasica, ten on G. sylvestre, and 13 on M. citrifolia, were among the 60 phytophagous insects recorded for the first time. Also on P. longum and W. somnifera observed a species each as a new record.
Keywords: Medicinal plants, survey, defoliators, sapsuckers
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