Geographic Variation in Pheromone Chemistry, Antennal Electrophysiology, and Pheromone-Mediated Trap Catch of North American Populations of the Obliquebanded Leafroller

El‐Sayed, Ashraf M.; Delisle, Johanne; Lury, N. De; Gut, Larry J.; Judd, Gary J. R.; Legrand, Catherine; Reissig, W. H.; Roelofs, Wendell L.; Unelius, C. Rikard; Trimble, R. M.

doi:10.1603/0046-225x-32.3.470

Cited by 46 publications

(41 citation statements)

References 36 publications

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“…(Sorenson et al, 2005), Choristoneura rosaceana (Harris) (El-Sayed et al, 2003), Cnaphalocrocis medinalis (Gueneeis) (Kawazu et al, 2000) and Hemileuca eglanterina (Boisduval) (McElfresh and Millar, 2001) is possible and remains to be investigated.…”

Section: Resultsmentioning

confidence: 99%

Identification of Minor Sex Pheromone Components of the Poplar Clearwing Moth Paranthrene tabaniformis (Lepidoptera, Sesiidae)

Mozūraitis

Karalius

2007

Zeitschrift Für Naturforschung C

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A chemical analysis of the crude sex pheromone gland extracts of virgin calling Paranthrene tabaniformis females, obtained from the European part of Kazakhstan, revealed the presence of five compounds: (3E,13Z)-octadeca-3,13-dien-1-ol (E3,Z13-18:OH), (3Z,13Z)-octadeca-3,13-dien-1-ol (Z3,Z13-18:OH), (2E,13Z)-octadeca-2,13-dien-1-ol (E2,Z13-18:OH), (13Z)-octadec-13-en-1-ol (Z13-18:OH), and octadecan-1-ol (18:OH) at the ratios 64.0 : 32.4 : 1.4 : 0.9 :1.3, which are structurally related to sex pheromone components of clearwing moths. Our previous field tests showed synergistic effects of Z3, OH to attract P. tabaniformis males, when these compounds were tested in binary mixtures with the known sex pheromone E3,Z13-18:OH. The three dienic alcohols should all be considered as sex pheromone components of the P. tabaniformis species, while the role of Z13-18:OH and 18:OH remained unclear.

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Section: Resultsmentioning

confidence: 99%

Identification of Minor Sex Pheromone Components of the Poplar Clearwing Moth Paranthrene tabaniformis (Lepidoptera, Sesiidae)

Mozūraitis

Karalius

2007

Zeitschrift Für Naturforschung C

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“…The sex pheromone for French Guiana populations was identified as a blend, consisting of two components, (9Z)-9-tetradecenyl acetate (Z9-14:OAc) and (9Z,12E)-9,12-tetradecadienyl acetate (Z9,E12-14:OAc) (Teixeira et al, 1989;Monti et al, 1995;Lalanne-Cassou et al, 1999). Studies have shown that there is great variability in the sex pheromone composition in Lepidoptera of different populations, even for strains that share the same habitat (El-Sayed et al, 2003). For instance, corn and rice strains of S. frugiperda (J.E.…”

Section: Introductionmentioning

confidence: 99%

Identification and field evaluation of the sex pheromone of a Brazilian population of Spodoptera cosmioides

Blassioli‐Moraes

Borges

Viana

et al. 2016

Pesq. agropec. bras.

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-The objective of this work was to identify the sex pheromone of Spodoptera cosmioides and to evaluate whether there is pheromone cross-attraction in Spodoptera sp. (Lepidoptera: Noctuidae). Spodoptera cosmioides gland extracts were analyzed by GC-FID and GC-MS. Wind tunnel and electrophysiology experiments were conducted to evaluate the role of gland compounds. In the field, different pheromone traps were tested: S. frugiperda commercial lure; (9Z)-9-tetradecenyl acetate (Z9-14:OAc) and (9Z,12E)-9,12-tetradecadienyl acetate (Z9,E12-14:OAc) trap; two females of S. cosmioides trap; and hexane control trap. Four acetates were identified in the S. cosmioides female gland extracts as Z9-14:OAc, Z9,E12-14:OAc, (11Z)-11-hexadecenyl acetate (Z11-16:OAc) and hexadecyl acetate (16:OAc), but only the first two acetates induced electrophysiological responses from S. cosmioides male antennae. In wind tunnel experiments, S. cosmioides and S. frugiperda males responded more strongly to conspecific blends; however, there was some cross-attraction, as 47% males of S. frugiperda and 25% males of S. cosmioides responded to heterospecific blends. In field experiments, S. frugiperda and S. cosmioides showed the same response pattern as observed in the wind tunnel bioassays. In summary, the sex pheromone components of S. cosmioides are Z9-14:OAc and Z9,E12-14OAc; they are important for conferring species specificity, and there is pheromone-mediated cross attraction between S. frugiperda and S. cosmioides.Index terms: (9Z)-9-tetradecenyl acetate, (9Z,12E)-9,12-tetradecadienyl acetate, cross-attraction, electrophysiology, pest monitoring, pheromone traps. Identificação e avaliação em campo do feromônio sexual de uma população brasileira de Spodoptera cosmioidesResumo -O objetivo deste trabalho foi identificar o feromônio sexual de Spodoptera cosmioides e avaliar se existe atração cruzada em Spodoptera sp. (Lepidoptera: Noctuidae). Extratos de glândulas de S. cosmioides foram analisados por GC-FID e GC-MS. A ação dos compostos encontrados nas glândulas foi avaliada por meio de bioensaios em túnel de vento e eletrofisiologia. Em campo, testaram-se diferentes armadilhas feromonais: com feromônio comercial de S. frugiperda; com acetato de (9Z)-9-tetradecenila (Z9-14:OAc) e acetato de (9Z,12E)-9,12-tetradecadienila (Z9,E12-14:OAc); com duas fêmeas de S. cosmioides; e controle com hexano. Quatro acetatos foram identificados nas glândulas de fêmeas de S. cosmioides como Z9-14:OAc, Z9,E12-14:OAc, (11Z)-acetato de hexadecenila e acetato de hexadecila (16:OAc), mas somente os dois primeiros acetatos induziram resposta eletrofisiológica nas antenas de machos de S. cosmioides. Nos bioensaios em túnel de vento, machos de S. cosmioides e S. frugiperda responderam em maior número à mistura de coespecíficos; no entanto, houve atração cruzada, uma vez que 47% dos machos de S. frugiperda e 25% dos machos de S. cosmioides responderam à mistura heteroespecífica. Nos experimentos em campo, S. frugiperda e S. cosmioides mostraram o mesmo padrão de...

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“…These two sympatric species share the major and a minor component of their pheromone blends: (Z)-11-tetradecenyl acetate and (E)-11-tetradecenyl acetate in approximately a 98 : 2 ratio for the obliquebanded leafroller and 92 : 8 ratio for the redbanded leafroller (Roelofs & Arn, 1968;Roelofs & Tette, 1970;Roelofs et al, 1975;Cardé & Roelofs, 1977;Hill & Roelofs, 1979). However, the pheromone blends of these species are further differentiated by other minor components; these include (Z)-11-tetradecenol and (Z)-11-tetradecenal in the obliquebanded leafroller blend (El-Sayed et al, 2003) and dodecyl acetate in the redbanded leafroller blend . Control of redbanded leafroller by mating disruption using synthetic pheromones has been judged successful Novak et al, 1978;Novak & Roelofs, 1985;Cardé & Minks, 1995); however, results have been inconsistent for the obliquebanded leafroller Agnello et al, 1996;Lawson et al, 1996).…”

Section: Introductionmentioning

confidence: 99%

“…Greater success has been recorded with a Western population of obliquebanded leafroller in British Columbia, Canada (Evenden et al, 1999a,b). The females of this Western population contain different amounts and ratios of the four-component pheromone and the males are characterized by different behavioral and antennal responsiveness to blends of these four components as compared with Eastern U.S. populations of this species (Vakenti et al, 1988, Thomson et al, 1991El-Sayed et al, 2003). Despite numerous studies on mating disruption of these two species, the mechanisms behind its effectiveness are still poorly understood.…”

Section: Introductionmentioning

confidence: 99%

“…Many studies have been conducted examining male moth antennal and behavioral responses to pheromone for both the redbanded leafroller (Bartell & Roelofs, 1973, 1976Cardé & Roelofs, 1977;Novak & Roelofs, 1985;El-Sayed et al, 2003;Stelinski et al, 2003aStelinski et al, , b, 2004a and obliquebanded leafroller moths (Evenden et al, 2000;Stelinski et al, 2003aStelinski et al, , b, 2004a. Some of these investigations have suggested that high-dosage exposure of male moths to their pheromone blend components decreases subsequent responses of male moths due to adaptation, habituation, or a combination of both.…”

Section: Introductionmentioning

confidence: 99%

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Comparative behavioral and EAG responses of female obliquebanded and redbanded leafroller moths (Lepidoptera: Tortricidae) to their sex pheromone components

Gökçe¹,

Stelinski²,

Gut³

et al. 2007

Eur. J. Entomol.

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Abstract. Studies were conducted investigating the responses of female obliquebanded leafrollers, Choristoneura rosaceana (Harris) and redbanded leafrollers, Argyrotaenia velutinana (Walker) (Lepidoptera: Tortricidae), to components of their sex pheromone. Electroantennogram (EAG) recordings revealed significant responses from antennae of female moths of both species to the major pheromone component, (Z)-11-tetradecenyl acetate, at dosages ranging from 2 µg -2 mg. However, tested individually, the minor pheromone components of the obliquebanded leafroller, (E)-11-tetradecenyl acetate and (Z)-11-tetradecenol, elicited little or no antennal response from conspecific females. This result was consistent for redbanded leafroller females, which showed only weak responses to the minor component (E)-11-tetradecenyl acetate at a 2 mg dosage. For both species, species-specific blend ratios of the Z and E isomers of tetradecenyl acetate did not elicit a greater antennal response than the Z isomer alone. Virgin females of each species (2-4 d old) were placed into 1-liter plastic assay chambers with constant throughput of carbon-filtered air passed through 1-liter flasks containing rubber septa loaded with (Z)-and (E)-11-tetradecenyl acetates and (Z)-11-tetradecenol for trials with female obliquebanded leafrollers or with (Z)-and (E)-11-tetradecenyl acetates and dodecyl acetate for trials with female redbanded leafrollers. Exposure to pheromone-permeated air delayed the onset of calling by 1 h and terminated the calling period 1 h earlier for both species compared with solvent-control exposed females. Furthermore, the total proportion of calling females was reduced by half in chambers receiving constant throughput of pheromone-permeated air compared with solvent controls. Exposure to pheromonepermeated air also significantly reduced egg-laying in both species compared with clean-air controls. Furthermore, application of the major pheromone component, (Z)-11-tetradecenyl acetate, at dosages ranging from 2 µg-2 mg to wax-paper ovipositional substrates, deterred oviposition by females of both species. Our data suggest that application of synthetic sex-attractant pheromones for mating disruption of leafroller species may have deleterious effects on female moth behavior, which may contribute to pest control. Field investigations will need to be conducted to test this hypothesis. 187* Corresponding author; current address:

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Geographic Variation in Pheromone Chemistry, Antennal Electrophysiology, and Pheromone-Mediated Trap Catch of North American Populations of the Obliquebanded Leafroller

Cited by 46 publications

References 36 publications

Identification of Minor Sex Pheromone Components of the Poplar Clearwing Moth Paranthrene tabaniformis (Lepidoptera, Sesiidae)

Identification of Minor Sex Pheromone Components of the Poplar Clearwing Moth Paranthrene tabaniformis (Lepidoptera, Sesiidae)

Identification and field evaluation of the sex pheromone of a Brazilian population of Spodoptera cosmioides

Comparative behavioral and EAG responses of female obliquebanded and redbanded leafroller moths (Lepidoptera: Tortricidae) to their sex pheromone components

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