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Distribution of Xylotrechus quadripes
6 other sections not shown
adults emerged alternate hosts arabica coffee Balehonnur beetles emerged BHC swabbing block borer attack borer incidence cent infestation Chickmagalur citronella oil Coffea arabica coffee plants coffee stem borer coffee white stem compared completed life cycle Coorg cracks ectoparasitoid effective egg laying emerged beetles emergence of beetles essential oils fecundity feeding female beetles field conditions grubs hatching incidence of borer India infested plants insecticides instar instar grub Karnataka Krishnagiri Krishnagiri Estate laboratory conditions larva lay eggs laying Range male and female mated Maximum number months natural enemies neem extract Nullur Estate number of beetles number of eggs number of grubs observed Olea dioica oviposition ovipositor parasitoids pathogen peak emergence pest Phorate present study Pterocarpus marsupium pupating repellent robusta coffee Scleroderma Scleroderma sp scrubbing Soil Biology Subramaniam 1941 summer emergence sunshine hours Table Terminalia tomentosa third week Total developmental period tunnel white stem borer winter emergence wood Xylotrechus quadripes