Evidence for a Volatile Pheromone in<i>Agrilus planipennis</i>Fairmaire (Coleoptera: Buprestidae) That Increases Attraction to a Host Foliar Volatile

Silk, Peter J.; Ryall, Krista; Mayo, Peter; Lemay, Matthew A.; Grant, G. G.; Crook, Damon J.; Cossé, Allard A.; Fraser, Ivich; Sweeney, Jon; Lyons, D. Barry; Pitt, Doug; Scarr, Taylor; MaGee, David I.

doi:10.1603/en11029

Cited by 59 publications

(125 citation statements)

References 40 publications

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“…In a series of sensory deprivation experiments, Pureswaran and Poland (2009) demonstrated that male EAB require their antennae to detect females, suggesting the existence of volatile chemical cues. Based on subsequent trapping experiments, we demonstrated that captures of males on green prism traps placed in the canopy and baited with both (3Z)-lactone and (3Z)-hexenol were up to 100 % higher compared with trap catches in traps baited with (3Z)-hexenol alone (Silk et al 2011). Higher captures occurred particularly when traps were placed in the ash canopy (Ryall et al 2012(Ryall et al , 2013.…”

Section: Introductionmentioning

confidence: 92%

A Biologically Active Analog of the Sex Pheromone of the Emerald Ash Borer, Agrilus planipennis

et al. 2015

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The emerald ash borer, Agrilus planipennis (Coleoptera: Buprestidae) (EAB), is an invasive species causing unprecedented levels of mortality to ash trees in its introduced range. The female-produced sex pheromone of EAB has been shown to contain the macrocyclic lactone (3Z)-dodecen-12-olide. This compound and its geometrical isomer, (3E)-dodecen-12-olide, have been demonstrated previously to be EAG active and, in combination with a host-derived green leaf volatile, (3Z)-hexenol, to be attractive to male EAB in green prism traps deployed in the ash tree canopy. In the current study, we show that the saturated analog, dodecan-12-olide, is similarly active, eliciting an antennal response and significant attraction of EAB in both olfactometer and trapping bioassays in green traps with (3Z)-hexenol. Conformational modeling of the three lactones reveals that their energies and shapes are very similar, suggesting they might share a common receptor in EAB antennae. These findings provide new insight into the pheromone ecology of this species, highlighting the apparent plasticity in response of adults to the pheromone and its analog. Both of the unsaturated isomers are costly to synthesize, involving multistep, low-yielding processes. The saturated analog can be made cheaply, in high yield, and on large scale via Mitsunobu esterification of a saturated ω-hydroxy acid or more simply by Baeyer-Villiger oxidation of commercially available cyclododecanone. The analog can thus provide an inexpensive option as a lure for detection surveys as well as for possible mitigation purposes, such as mating disruption.

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Section: Introductionmentioning

confidence: 92%

A Biologically Active Analog of the Sex Pheromone of the Emerald Ash Borer, Agrilus planipennis

et al. 2015

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“…Despite this, some Coleopteran families have received little attention, particularly Buprestidae. The exception is the great number of laboratory and field studies reported on the emerald ash borer (EAB), Agrilus planipennis (Fairnaire) (Coleoptera: Buprestidae), an invasive species originating from Asia that has caused considerable mortality of ash trees in the US and Canada (Bartelt et al, 2007;De Groot et al, 2008;Francese et al, 2008;Lelito et al, 2008;Lelito et al, 2009;Silk et al, 2009;Crook and Mastro, 2010;Silk et al, 2011), and some field experiments to catch different jewel beetles (Montgomery and Wargo, 1983;McIntosh et al, 2001). The black-banded oak borer (BBOB) Coroebus florentinus (Herbst) (Coleoptera: Buprestidae), together with its sister species C. undatus, produce notable damage to cork trees, thereby reducing the production of high quality cork.…”

Section: Introductionmentioning

confidence: 99%

“…However, other investigations resulted in the discovery of two hydrocarbons as female contact pheromones, which are probably involved in mate recognition (Lelito et al, 2009;Silk et al, 2009). Moreover, a recent study showed that a volatile pheromone produced by the EAB in combination with foliar volatiles was highly attractive to conspecific individuals (Silk et al, 2011). In the BBOB, male antennae are much longer and contain more olfactory sensilla basiconica than those of females (unpublished), which could suggest also a likely role for a sex pheromone in this species.…”

Section: Introductionmentioning

confidence: 99%

Electrophysiological and Behavioral Responses of the Black-Banded Oak Borer, Coroebus florentinus, to Conspecific and Host-Plant Volatiles

et al. 2012

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-Studies designed to investigate the chemical ecology of the black-banded oak borer (BBOB) Coroebus florentinus (Coleoptera: Buprestidae) are presented for the first time. The volatile composition of male and female odors did not show qualitative nor quantitative differences. Nonanal, decanal, and geranylacetone, identified from the headspace volatiles of both sexes, were clearly active on male antennae in electroantennographic assays, but scarcely on females. In dual-choice olfactometer experiments, blend of these compounds was attractive to both sexes, with males responding particularly to decanal alone and females to geranylacetone suggesting that these two compounds are the responsible chemicals for activity in the blend for each sex. These results emphasized obvious differences in the volatile perception of males and females. Antennae of both sexes displayed GC-EAD responses to the green leaf volatiles (GLVs) (E)-2-hexenal, (E)-2-hexenol, 1-hexanol, (Z)-3-hexenyl acetate, and nhexyl acetate, identified from the host plant Quercus suber. In behavioral experiments, only females were attracted to the host plant odors, particularly to (E)-2-hexenol, 1-hexanol, and (Z)-3-hexenyl acetate, suggesting that these compounds could play an important role in the foraging and/or oviposition behavior of BBOB females.

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“…With the optimal foliar locations for positioning branch traps now being known, it will thus be useful to determine which odor blend might further optimize their effi cacy. In addition to the (Z)-3-hexen-1-ol lures used previously in 2013, (3Z)-dodecen-12-olide pheromone might further increase attraction, as shown for other trap designs (Silk et al, 2011).…”

Section: Discussionmentioning

confidence: 71%

Host condition effects upon Agrilus planipennis (Coleoptera: Buprestidae) captures on decoy-baited branch traps

et al. 2016

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Evidence for a Volatile Pheromone inAgrilus planipennisFairmaire (Coleoptera: Buprestidae) That Increases Attraction to a Host Foliar Volatile

Cited by 59 publications

References 40 publications

A Biologically Active Analog of the Sex Pheromone of the Emerald Ash Borer, Agrilus planipennis

A Biologically Active Analog of the Sex Pheromone of the Emerald Ash Borer, Agrilus planipennis

Electrophysiological and Behavioral Responses of the Black-Banded Oak Borer, Coroebus florentinus, to Conspecific and Host-Plant Volatiles

Host condition effects upon Agrilus planipennis (Coleoptera: Buprestidae) captures on decoy-baited branch traps

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