Development of a semiochemical-based trapping method for the New Guinea sugarcane weevil, Rhabdoscelus obscurus in Guam

:  Aggregation pheromone of the Australian population of New Guinea sugarcane weevil, Rhabdoscelus obscurus (Boisduval), in conjunction with other semiochemicals, was used to develop an efficient trapping method for the weevil population in Guam. In a field experiment at Yigo, plastic bucket traps b...

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Bibliographic Details
Published in:Journal of applied entomology (1986) 2005-03, Vol.129 (2), p.65-69
Main Authors: Reddy, G.V.P, Cruz, Z.T, Bamba, J, Muniappan, R
Format: Article
Language:English
Subjects:
(E2)-6-methyl-2-hepten-4-ol (rhynchophoral)
2-methyl-4-heptanol
aggregation pheromones
baits
Biological and medical sciences
Coleoptera
Control
Curculionidae
ethyl acetate
Fundamental and applied biological sciences. Psychology
insect control
insect pheromones
Integrated pest control
permethrin
pheromone traps
Phytopathology. Animal pests. Plant and forest protection
Protozoa. Invertebrates
Rhabdoscelus obscurus
rhynchophoral
Saccharum officinarum
semiochemicals
sugarcane
trap
trapping
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Summary::  Aggregation pheromone of the Australian population of New Guinea sugarcane weevil, Rhabdoscelus obscurus (Boisduval), in conjunction with other semiochemicals, was used to develop an efficient trapping method for the weevil population in Guam. In a field experiment at Yigo, plastic bucket traps baited with the lure of the Australian R. obscurus population in combination with ethyl acetate and cut sugarcane captured significantly more weevils than traps baited with pheromone + ethyl acetate, pheromone + sugarcane or individual lure components alone. Traps baited with various semiochemical‐based lures and treated with insecticide captured significantly greater numbers of weevils than those not treated with insecticide. Traps baited with cut sugarcane caught significantly more weevils than those without sugarcane. Semiochemical‐based trapping in weevil management has potential either in mass trapping or as part of an integrated pest management (IPM) programme. Based on the present findings, a future line of work for the control of this weevil is proposed.
ISSN:0931-2048
1439-0418
DOI:10.1111/j.1439-0418.2005.00935.x