Rajan Shelke

Foraging behavior of Indian honeybee Apis cerana indica Fabricius under Semi urban area in Goa, India

Rajan Shelke, Subhradip Bhattacharjee, Shashank Naik, Bhushan Sawant Dessai

Understanding how short-term weather variability modulates honeybee foraging is essential for sustaining pollination services in tropical agroecosystems. We quantified the temporal dynamics and climatic drivers of pollen and nectar foraging by Apis cerana indica in a semi-urban coastal landscape of Goa, India, …

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Field evaluation of attract and kill technology (Hook RPW™) to control red palm weevil, Rhynchophorus ferrugineus (Coleoptera: Curculionidae) in coconut plantations of Goa, India

Rajan Shelke, Gopal Ramdas Mahajan, Govind Vasant Parab, J. R. Faleiro

Coconut ( Cocos nucifera) is an important crop in peninsular India, where the red palm weevil (RPW), Rhynchophorus ferrugineus Olivier (Coleoptera: Curculionidae), is a key pest. Mass trapping of adult weevils using food baited pheromone traps (FBPTs) is widely used in RPW-IPM …

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Inventory of faunal diversity (butterflies) of Netravali Wildlife Sanctuary, Goa, India

Kulkarni Rajender Rao, Vilas Naik, Rajan Shelke, Shaik Mohammed Hussain et autres

AbstractPresent study is designed to identify and determine the abundance of butterfly species in Netravali WS. Species richness in different transects is Transect Verlem: 79 species, Transect Bhati: 78 species, Transect Patiem: 72 species, Transect Sigonem: 67 species. Species Abundance is Transect …

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Ovipositional Preference of Rhynchophorus ferrugineus (Olivier) in Palm Species in Goa

Rajan Shelke, Shashank Naik

Red palm weevil (RPW) Rhynchophorus ferrugineus (Olivier) (Coleoptera: Curculionidae) is devastating pest in commercial and ornamental palms. The study was conducted to find out ovipositional preference of R. ferrugineus in seven palm species. Result revealed that the fish tail palm (Caryota cumingii …

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Deorphanizing an odorant receptor tuned to palm tree volatile esters in the Asian palm weevil sheds light on the mechanisms of palm tree selection

Binu Antony, Nicolas Montagné, Arthur Comte, Sara Mfarrej et autres

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Reverse chemical ecology approach for sustainable palm tree protection against invasive palm weevils

Binu Antony, Nicolas Montagné, Arthur Comte, Sara Mfarrej et autres

Abstract The reverse chemical ecology approach facilitates sustainable plant protection by identifying odorant receptors (ORs) tuned to odorants, especially the volatile molecules emitted from host plants that insects use for detection. A few studies have explored such an approach to develop sustainable …

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Receptivity of injured and aged coconut petiole for oviposition by red palm weevil Rhynchophorus ferrugineus (Coleoptera: Curculionidae)

Rajan Shelke, Andrea Cheradil

Red palm weevil, Rhynchophorus ferrugineus (Coleoptera: Curculionidae) is a key pest of palm-based ecosystem. Globally R. ferrugineus is reported from 50 countries infecting 40 palm species. R. ferrugineus are attracted to wounded, damaged, dying palms or apparently healthy palms. R. ferrugineus gains …

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Field evaluation of red palm weevil Rhynchophorus ferrugineus Olivier pheromone lures

Rajan Shelke

The red palm weevil Rhynchophorus ferrugineus Olivier (Coleoptera: Curculionidae) is a key pest of coconut. The efficiency of pheromone lures sourced from three countries along with natural (sugarcane) and synthetic (ethyl acetate) co-attractants, was tested in the infested coconut plantation. The results …

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