Disparlure: Differences in pheromone perception between gypsy moth and nun moth

Klimetzek, D.; Loskant, G.; Vité, J. P.; Mori, Kenji

doi:10.1007/bf00622803

Cited by 39 publications

(3 citation statements)

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“…The sex-attractant of the closely related species Lymuntriu dispar L. described by BIERL et al (1970) and named disparlure (cis-7.8-epoxy-2methyl-octodecan) was shown to attract nun moths as well (SCHONHERR 1972). Later IWAKA et al (1974) showed that disparlure contained two stereoisometric forms and KLIMETZEK et al (1976) and PLIMMER et al (1977) demonstrated that L. dispar was mainly attracted to the (+)-form, whereas L. monucha reacted to both enantiomers.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of pheromone catches of the nun moth, Lymantria monacha L.

Jensen

Nielsen

1984

Zeitschrift für Angewandte Entomologie

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In 1980–83 the flight activity, abundance and density of male nun moths (Lymantria monacha) were recorded in Danish forest stands by means of disparlure baited pheromone traps placed in trap systems ranging from single traps to 10 × 10 grids. In years with long periods of warm and dry weather the relation between male catches in pheromone traps and the number of females present was poor, leading to overestimations of population indices. In other years when male flight terminated early due to cold and rainy weather a better coincidence was found. The Danish forest structure is very often a mixture of stands of different tree species, viz. a mosaic of breeding and non‐breeding habitats of the nun moth. However, pheromone traps catched male moths in breeding as well as in non‐breeding habitats. Accordingly, in good breeding habitats a dilution of males occurs resulting in smaller pheromone trap catches than expected. In poor breeding habitats pheromone traps catch more males than expected. Zusammenfassung Zur Beurteilung von Pheromonfängen der Nonne, Lymantria monacha L. Die Wirkung der Heterogenität des Standortes und der Wetterbedingungen während der Flugperiode In den Jahren 1980 bis 1983 wurden Flugaktivität, Abundanz und Populationsdichte männlicher Nonnen (Lymantria monacha) in dänischen Waldbeständen mit Hilfe von Disparlure‐Fallen registriert, die als Einzelfallen aufgestellt oder in einem Verbund bis zu 10 × 10 Fallen angeordnet waren. In Jahren mit warmen und trockenen Perioden war die Relation zwischen den in Pheromon‐Fallen gefangenen Männchen und der Zahl der im Bestand vorhandenen Weibchen gering, was zu einer überschätzung der Populationsindices führte. In anderen Jahren, wenn der Flug der Männchen wegen kalten und regenreichen Wetters früher beendet wurde, fand sich eine bessere übereinstimmung. Der dänische Wald setzt sich oft aus Beständen verschiedener Baumarten zusammen, die ein Mosaik bilden aus Vermehrungsgebieten und Standorten, in denen keine Vermehrung der Nonne stattfindet. Dennoch wurden Männchen sowohl in Vermehrungsgebieten als auch an anderen Standorten in Pheromon‐Fallen gefangen. Demnach findet sich eine Verminderung der Männchen in guten Vermehrungsgebieten, was zu kleineren Fängen mit Pheromon‐Fallen führt als erwartet. In schlechten Vermehrungsgebieten wurden dagegen bessere Fänge von Männchen mit Pheromon‐Fallen erzielt als erwartet.

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Section: Introductionmentioning

confidence: 99%

Evaluation of pheromone catches of the nun moth, Lymantria monacha L.

Jensen

Nielsen

1984

Zeitschrift für Angewandte Entomologie

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“…The response of male L. d. japonica resembles that of European male L. d. dispar, whose attraction to pheromone is reduced in the presence of (-)-disparlure (Klimetzek et al 1976;Cardé et al 1977;Miller et al 1977;Plimmer et al 1977), 2me-7Z-18Hy (Cardé et al 1973), and (+)-and (-)-monachalure (Gries et al 1996). The strong antagonistic effects of (+)-monachalure and 2me-7Z-18Hy in experiment 1 may be attributed to the fact that these are major and synergistic pheromone components, respectively, for sympatric L. monacha (Gries et al 2001) and that 2me-7Z-18Hy is also the major pheromone of sympatric L. lucescens 3 (Gries et al 2002).…”

Section: Resultsmentioning

confidence: 95%

Spacing of traps baited with species-specific Lymantria pheromones to prevent interference by antagonistic components

et al. 2009

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In pheromone-based surveys for detecting multiple species of exotic lymantriine moths (Lepidoptera: Noctuidae: Lymantriinae), spacing between traps baited with species-specific pheromone lures must be sufficient to prevent antagonistic effects of heterospecific pheromone on lure attractiveness. Conducting field experiments with the Japanese gypsy moth, Lymantria dispar japonica Motschulsky, in northern Honshu, Japan, we first determined which congeneric pheromone components have strong antagonistic effects on attraction of male moths to the conspecific pheromone (7R,8S)-cis-7,8-epoxy-2-methyloctadecane ((+)-disparlure). Since the most antagonistic compounds were pheromone/volatile components from the sympatric nun moth, L. monacha (L.), we then conducted experiments with paired traps baited with either a L. dispar (L.) pheromone lure ((+)-disparlure (50 µg)) or L. monacha pheromone lure (a mixture of (7R,8S)-cis-7,8-epoxyoctadecane ((+)-monachalure (50 µg)), (7Z)-2-methyloctadecene (5 µg), and (+)-disparlure (50 µg)). As spacing between paired traps increased (0, 0.5, 2, 7.5, 15, or 30 m), the antagonistic effect of the L. monacha lure on the attractiveness of the L. dispar lure decreased and finally disappeared. For pheromone-based detection surveys of multiple species of exotic lymantriine moths in North America to be effective, trap spacing of 15 m is recommended.

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“…The single-component sex pheromone of the European gypsy moth, L. d. dispar (L.), is (7R,8S)-cis-7,8-epoxy-2-methyloctadecane (= (+)-disparlure) (Bierl et al 1970;Klimetzek et al 1976;Cardé et al 1977;Miller et al 1977;Plimmer et al 1977). Pheromone analyses of the Asian subspecies L. d. asiatica Vnukovskij and L. d. japonica revealed additional candidate pheromone components, but none appeared to enhance the attractiveness of (+)disparlure (Gries et al 2005; G.G.…”

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confidence: 99%

Lymantria dispar sex pheromone is a behavioral antagonist to pheromonal attraction of male Lymantria mathura

2009

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In a trapping study conducted in the experimental research forest of the Tohoku Research Center, Morioka, Honshu, Japan, we investigated the effect of heterospecific pheromone on pheromonal attraction of male Japanese gypsy moth, Lymantria disparjaponica (Motschulsky), and male pink gypsy moth, L. mathura Moore (Lepidoptera: Noctuidae: Lymantriinae). Traps baited with synthetic pheromone of L. d. japonica ((7R,8S)-cis-7,8-epoxy-2-methyloctadecane = (+)-disparlure (100 µg)) or L. mathura ((9R,10S,3Z,6Z)-cis-9,10-epoxynonadecadiene = (+)-mathuralure (20 µg) and (9S,10R,3Z,6Z)-cis-9,10-epoxynonadecadiene = (−)-mathuralure (80 µg)) attracted male L. d. japonica or L. mathura, respectively. Traps baited with synthetic pheromone of both species captured significantly fewer male L. mathura than traps baited solely with synthetic L. mathura pheromone. Numbers of male L. d. japonica captured in traps baited with (+)-disparlure were unaffected by the addition of L. mathura pheromone. (+)-Disparlure is a behavioral antagonist to pheromonal attraction of male L. mathura, whereas male L. d. japonica are indifferent to the presence of synthetic L. mathura pheromone.

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Disparlure: Differences in pheromone perception between gypsy moth and nun moth

Cited by 39 publications

References 4 publications

Evaluation of pheromone catches of the nun moth, Lymantria monacha L.

Evaluation of pheromone catches of the nun moth, Lymantria monacha L.

Spacing of traps baited with species-specific Lymantria pheromones to prevent interference by antagonistic components

Lymantria dispar sex pheromone is a behavioral antagonist to pheromonal attraction of male Lymantria mathura

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