Improved monitoring of oriental fruit moth (Lepidoptera: Tortricidae) with terpinyl acetate plus acetic acid membrane lures

Valentina Mujica, Michele Preti, Esteban Basoalto, Liliana Cichon, Eduardo Fuentes-Contreras, Wilson Barros-Parada, Greg Krawczyk, Marcelo Z. Nunes, Jim F. Walgenbach, Randy Hansen, Alan L. Knight

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Male and female moth catches of Grapholita molesta (Busck) in traps were evaluated in stone and pome fruit orchards untreated or treated with sex pheromones for mating disruption in Uruguay, Argentina, Chile, USA, and Italy from 2015 to 2017. Trials evaluated various blends loaded into either membrane cup lures or septa. Membrane lures were loaded with terpinyl acetate (TA), acetic acid (AA) and (Z)-3-hexenyl acetate alone or in combinations. Two septa lures were loaded with either the three-component sex pheromone blend for G. molesta alone or in combination with codlemone (2-PH), the sex pheromone of Cydia pomonella (L). A third septum lure included the combination sex pheromone blend plus pear ester, (E,Z)-2,4-ethyl decadienoate (2-PH/PE), and a fourth septum was loaded with only β-ocimene. Results were consistent across geographical areas showing that the addition of β-ocimene or (Z)-3-hexenyl acetate did not increase moth catches. The addition of pear ester to the sex pheromone lure marginally increased moth catches. The use of TA and AA together significantly increased moth catches compared with the use of only one of the two components. Traps with the TA/AA lure outperformed the Ajar trap baited with a liquid TA plus sugar bait. The emission rate of AA was not a significant factor affecting the performance of the TA/AA lure. The addition of TA/AA significantly increased moth catches when combined with the 2-PH lure. The TA/AA lure also allowed traps to catch both sexes. Catch of C. pomonella with the 2-PH lure was comparable to the use of codlemone; however, moth catch was significantly reduced with the 2-PH/PE lure. Optimization of these complex lures can likely further improve managers’ ability to monitor G. molesta and help to develop multispecies tortricid lures for use in individual traps.

Original languageEnglish (US)
Pages (from-to)731-744
Number of pages14
JournalJournal of Applied Entomology
Volume142
Issue number8
DOIs
StatePublished - Sep 2018

Fingerprint

Grapholita molesta
Tortricidae
acetic acid
Lepidoptera
acetates
moths
sex pheromones
monitoring
traps
ocimene
pheromone blends
pears
esters
pome fruits
mating disruption
Cydia pomonella
stone fruits
Uruguay
baits
Chile

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Insect Science

Cite this

Mujica, V., Preti, M., Basoalto, E., Cichon, L., Fuentes-Contreras, E., Barros-Parada, W., ... Knight, A. L. (2018). Improved monitoring of oriental fruit moth (Lepidoptera: Tortricidae) with terpinyl acetate plus acetic acid membrane lures. Journal of Applied Entomology, 142(8), 731-744. https://doi.org/10.1111/jen.12528
Mujica, Valentina ; Preti, Michele ; Basoalto, Esteban ; Cichon, Liliana ; Fuentes-Contreras, Eduardo ; Barros-Parada, Wilson ; Krawczyk, Greg ; Nunes, Marcelo Z. ; Walgenbach, Jim F. ; Hansen, Randy ; Knight, Alan L. / Improved monitoring of oriental fruit moth (Lepidoptera : Tortricidae) with terpinyl acetate plus acetic acid membrane lures. In: Journal of Applied Entomology. 2018 ; Vol. 142, No. 8. pp. 731-744.
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abstract = "Male and female moth catches of Grapholita molesta (Busck) in traps were evaluated in stone and pome fruit orchards untreated or treated with sex pheromones for mating disruption in Uruguay, Argentina, Chile, USA, and Italy from 2015 to 2017. Trials evaluated various blends loaded into either membrane cup lures or septa. Membrane lures were loaded with terpinyl acetate (TA), acetic acid (AA) and (Z)-3-hexenyl acetate alone or in combinations. Two septa lures were loaded with either the three-component sex pheromone blend for G. molesta alone or in combination with codlemone (2-PH), the sex pheromone of Cydia pomonella (L). A third septum lure included the combination sex pheromone blend plus pear ester, (E,Z)-2,4-ethyl decadienoate (2-PH/PE), and a fourth septum was loaded with only β-ocimene. Results were consistent across geographical areas showing that the addition of β-ocimene or (Z)-3-hexenyl acetate did not increase moth catches. The addition of pear ester to the sex pheromone lure marginally increased moth catches. The use of TA and AA together significantly increased moth catches compared with the use of only one of the two components. Traps with the TA/AA lure outperformed the Ajar trap baited with a liquid TA plus sugar bait. The emission rate of AA was not a significant factor affecting the performance of the TA/AA lure. The addition of TA/AA significantly increased moth catches when combined with the 2-PH lure. The TA/AA lure also allowed traps to catch both sexes. Catch of C. pomonella with the 2-PH lure was comparable to the use of codlemone; however, moth catch was significantly reduced with the 2-PH/PE lure. Optimization of these complex lures can likely further improve managers’ ability to monitor G. molesta and help to develop multispecies tortricid lures for use in individual traps.",
author = "Valentina Mujica and Michele Preti and Esteban Basoalto and Liliana Cichon and Eduardo Fuentes-Contreras and Wilson Barros-Parada and Greg Krawczyk and Nunes, {Marcelo Z.} and Walgenbach, {Jim F.} and Randy Hansen and Knight, {Alan L.}",
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Mujica, V, Preti, M, Basoalto, E, Cichon, L, Fuentes-Contreras, E, Barros-Parada, W, Krawczyk, G, Nunes, MZ, Walgenbach, JF, Hansen, R & Knight, AL 2018, 'Improved monitoring of oriental fruit moth (Lepidoptera: Tortricidae) with terpinyl acetate plus acetic acid membrane lures', Journal of Applied Entomology, vol. 142, no. 8, pp. 731-744. https://doi.org/10.1111/jen.12528

Improved monitoring of oriental fruit moth (Lepidoptera : Tortricidae) with terpinyl acetate plus acetic acid membrane lures. / Mujica, Valentina; Preti, Michele; Basoalto, Esteban; Cichon, Liliana; Fuentes-Contreras, Eduardo; Barros-Parada, Wilson; Krawczyk, Greg; Nunes, Marcelo Z.; Walgenbach, Jim F.; Hansen, Randy; Knight, Alan L.

In: Journal of Applied Entomology, Vol. 142, No. 8, 09.2018, p. 731-744.

Research output: Contribution to journalArticle

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AU - Mujica, Valentina

AU - Preti, Michele

AU - Basoalto, Esteban

AU - Cichon, Liliana

AU - Fuentes-Contreras, Eduardo

AU - Barros-Parada, Wilson

AU - Krawczyk, Greg

AU - Nunes, Marcelo Z.

AU - Walgenbach, Jim F.

AU - Hansen, Randy

AU - Knight, Alan L.

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