Identification of components of the female sex pheromone of the potato tuber moth, <i>Scrobipalpopsis solanivora</i>

Nesbitt, Brenda F.; Beevor, P. S.; Cork, A.; Hall, David R.; Murillo, Ruth M.; Leal, Helmuth R.

doi:10.1111/j.1570-7458.1985.tb03501.x

Cited by 19 publications

(18 citation statements)

References 12 publications

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“…Conversely, Nesbitt et al (1985) identified Z3-12:OAc in Tecia (formerly Scrobipalpopsis) solanivora as a minor component, and found an antagonistic effect of this compound on male attraction when it was mixed with the major component, E3-12:OAc. Our study with S. salinella is the first case in which Z3-12: OAc identified from females was attractive to males of the same species.…”

Section: Discussionmentioning

confidence: 92%

Female Sex Pheromone of the Gelechiid Moth Scrobipalpa salinella (Zeller)

et al. 2011

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The sex pheromone system of Scrobipalpa salinella (Zeller), an important pest of the halophyte Salicornia europaea in the tidal salt marshes, was studied. Z3-12:OAc and Z5-12:OAc were identified from both female pheromone glands and female emissions, but in quite different ratios. Field trapping tests demonstrated that Z3-12:OAc and Z5-12:OAc are essential for optimal attraction of male moths, and a 100:5 blend found in gland extracts is significantly more attractive to males than a 100:50 ratio similar to that found in SPME samples. Small amounts of E3-12:OAc and Z5-14:OAc also were present in pheromone gland extracts. A blend of E3-12:OAc with Z3-12:OAc attracted a few males, but was not as attractive as the binary blend of Z3-12:OAc and Z5-12:OAc. Moreover, addition of E3-12:OAc did not affect captures of males to the primary binary blend. Another glandular component, Z5-14:OAc, had no behavioral activity in field bioassays. Therefore, a synthetic mixture of Z3-12:OAc and Z5-12:OAc in a 100:5 ratio can be used as an effective tool for monitoring and control of this species.

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Section: Discussionmentioning

confidence: 92%

Female Sex Pheromone of the Gelechiid Moth Scrobipalpa salinella (Zeller)

et al. 2011

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“…Females release these three compounds in a 100:2:8 ratio. Lures, containing up to 10% of the Z-isomer, attracted as many males as calling females in wind-tunnel tests, but male attraction to an off-blend containing 50% of the Z-isomer was reduced (Nesbitt et al, 1985;Bosa et al, 2005Bosa et al, , 2006. In comparison, the amount of 12:Ac in the blend had no effect on male attraction.…”

Section: Introductionmentioning

confidence: 91%

Mating Disruption of Guatemalan Potato Moth Tecia Solanivora by Attractive and Non-Attractive Pheromone Blends

et al. 2011

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The behavioral mechanisms of mating disruption in Guatemalan potato moth Tecia solanivora were studied using the sex pheromone components, (E)-3-dodecenyl acetate, (Z)-3-dodecenyl acetate, and dodecyl acetate, formulated in a 100:1:20-ratio mimicking the female-produced blend, and in a 100:56:100 off-blend ratio. The mode of action of these two blends was tested in mating disruption experiments in the field and in a greenhouse, as well as in a laboratory wind tunnel. Field treatments with both blends at 80 g pheromone per ha reduced male attraction to trap lures baited with 100 μg of female sex pheromone. In mesh-house treatments, these two blends were equally effective at reducing male attraction to traps baited with live females and mating of caged females. Subsequent flight tunnel tests corroborated that both blends reduced attraction of naive males to calling females, and pre-exposure of males with either dispenser blend for 24 hr resulted in a strongly reduced response to calling females. The pre-exposure effect was reversible, with males again responsive after 24 hr in clean air. The two dispenser formulations produced a similar effect on male behavior, despite the differences in blend composition. One mating disruption dispenser formulated with either the female-blend or off-blend elicited the same rate of male upwind attraction in a wind-tunnel bioassay. Sensory overload and camouflage, therefore, are contributing mechanisms to mating disruption using either blend. The off-blend, which is more economical to synthesize, is a valuable tool for further development of mating disruption against this major pest of potatoes in Latin America.

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“…White delta plastic traps baited with a synthetic sex pheromone can also be used to detect adult males (Nesbitt et al, 1985;Bosa et al, 2005;Cruz Roblero et al, 2011). Tubers infested at low level can be difficult to detect.…”

Section: Are Detection and Identification Methods Available For The Pmentioning

confidence: 99%