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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Lures for red palm weevil trapping systems: aggregation pheromone and synthetic kairomone
Pest Management Science, Volume 73, No. 1, Year 2017
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Description
BACKGROUND: The optimisation of the lure is essential for the implementation of trapping systems to control insect pests. In this work, the response of the red palm weevil (RPW), Rhynchophorus ferrugineus Olivier, to increasing emission rates of its aggregation pheromone (ferrugineol) and the efficacy of a convenient synthetic kairomone based on fermentation odours (ethyl acetate and ethanol) have been evaluated in different years and locations along the Mediterranean basin. RESULTS: In general, although capture data and emission had noticeable variability among locations, significantly fewer RPW were captured in pyramidal Picusan® traps with the lowest ferrugineol emission rates tested (0.6–3.8 mg day−1). Captures increased rapidly with ferrugineol emission up to 4–5 mg day−1; then, higher emission rates did not improve or reduce captures, up to the highest emission rate tested of 50.9 mg day−1. Thus, there is no evidence of an optimum release rate corresponding to a maximum of RPW catches. Traps baited with the synthetic kairomone (1:3 ethyl acetate/ethanol) captured 1.4–2.2 times more total weevils than traps baited only with ferrugineol. Moreover, in most of the locations, the synthetic blend was at least as effective as the local coattractants used (plant material + molasses). CONCLUSIONS: Ferrugineol emission rate can vary in a wide range without significantly affecting RPW response. Coattractants based on fermenting compounds, ethyl acetate and ethanol, are able to improve the attractant level of ferrugineol and could be employed to replace non-standardised natural kairomones in RPW trapping systems after further optimisation of their proportions and doses. © 2016 Society of Chemical Industry.
Authors & Co-Authors
Vacas, Sandra
Spain, Valencia
Universitat Politècnica de València
Melita, Ourania
Greece, Athens
Benaki Phytopathological Institute
Michaelakis, Αntonios N.
Greece, Athens
Benaki Phytopathological Institute
Milonas, Panagiotis
Greece, Athens
Benaki Phytopathological Institute
Minuz, Roxana
Italy, Ancona
Università Politecnica Delle Marche
Riolo, Paola
Italy, Ancona
Università Politecnica Delle Marche
Abbass, Mohamed Kamal
Egypt, Giza
Plant Protection Research Institute Ppri
Lo Bue, Paolo
Italy, Palermo
Università Degli Studi Di Palermo
Colazza, Stefano
Italy, Palermo
Università Degli Studi Di Palermo
Peri, Ezio
Italy, Palermo
Università Degli Studi Di Palermo
Soroker, Victoria
Israel, Bet Dagan
Agricultural Research Organization of Israel
Livne, Yaara
Israel
Eden Experimental Farm
Primo, Jaime
Spain, Valencia
Universitat Politècnica de València
Navarro-Llopis, Vicente
Spain, Valencia
Universitat Politècnica de València
Statistics
Citations: 34
Authors: 14
Affiliations: 7
Identifiers
Doi:
10.1002/ps.4289
ISSN:
1526498X
e-ISSN:
15264998
Research Areas
Environmental