Synergism of pheromone and host‐plant volatile blends in the attraction of Grapholita molesta males

  title={Synergism of pheromone and host‐plant volatile blends in the attraction of Grapholita molesta males},
  author={N{\'e}lia Varela and Jes{\'u}s Avilla and Sylvia Anton and C{\'e}sar Gemeno},
  journal={Entomologia Experimentalis et Applicata},
Control of Grapholita molesta (Busck) (Lepidoptera: Tortricidae), a major pest of stone and pome fruits, is successfully achieved by mating disruption. Under these conditions, tools other than conventional pheromone dispensers are needed for flight monitoring. The objective of the present work was to determine whether plant volatiles synergize male G. molesta attraction to a suboptimal dose of synthetic sex pheromone. The plant blend (referred to as 5VB), a mixture of three green leaf volatiles… 

Role of plant volatiles and hetero-specific pheromone components in the wind tunnel response of male Grapholita molesta (Lepidoptera: Tortricidae) to modified sex pheromone blends

New functions for plant volatiles on moth sex pheromone response under laboratory conditions are revealed, and new light is shed on the role of alcohol ingredients in the phersomone blend of G. molesta.

Plant volatiles challenge inhibition by structural analogs of the sex pheromone in Lobesia botrana (Lepidoptera: Tortricidae)

The results show for the first time that under laboratory conditions plant volatiles can prevent inhibition by a pheromone analog.

Plant Volatiles Increase Sex Pheromone Attraction of Holotrichia parallela (Coleoptera: Scarabaeoidea)

These results may provide the basis for the development of efficient pest management systems against H. parallela using plant volatiles and insect sex pheromones using (E)-2- hexenyl acetate and (Z)-3-hexenylacetate.

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

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.

Development of multi‐component non‐sex pheromone blends to monitor both sexes of Cydia pomonella (Lepidoptera: Tortricidae)

Five new quaternary combination compounds when added to the 3K core blend performed similarly to the 4K lure (male, females, and total moths); further studies should expand these results through tests of these and other new blends with a range of component ratios and total loading amounts.

Detecting host-plant volatiles with odorant receptors from Grapholita molesta (Busck) (Lepidoptera: Tortricidae).

Results suggested that G MolOR12 in the G. molesta olfactory system plays an important role in sensing aldehydes and that GmolOR12 is involved in sensing host-plant volatiles.

(Z)-3-hexenyl acetate and 1-undecanol increase male attraction to sex pheromone trap in Grapholita molesta (Busck) (Lepidoptera: Tortricidae)

It appeared that these HPVs act as sex pheromone synergists to enhance the attraction of male G. molesta in traps baited only with (Z)-3-hexenyl acetate and/or 1-undecanol.

Similar worldwide patterns in the sex pheromone signal and response in the oriental fruit moth, Grapholita molesta (Lepidoptera: Tortricidae)

Flight tunnel assays to synthetic blends with a subset of populations were similar to the field results, but the breadth of the most attractive E-blends was wider, and long-term laboratory populations were less responsive and attractive, and produced different blend ratios of the two minor components than recently collected field populations.



Synergism between aromatic compounds and green leaf volatiles derived from the host plant underlies female attraction in the oriental fruit moth

Blends of volatile compounds emitted by host plants are known to mediate the attraction of gravid female herbivores to oviposition sites, but the role of individual odor components is still little

Response of female Cydia molesta (Lepidoptera: Tortricidae) to plant derived volatiles.

Peach shoot volatiles were attractive to mated female oriental fruit moth, Cydia molesta (Busck), in a dual choice arena and elicited a similar attractant effect as the full natural blend from peach shoots as well as the bioactive fraction.

Analysis of Pheromone-Mediated Behaviors in Male Grapholitha molesta, the Oriental Fruit Moth (Lepidoptera: Tortricidae)

There was a strong correlation between pheromone plume behaviors of pre-flight wing fanning while walking and upwind flight, suggesting that these behaviors may be closely associated, functioning to locate the pherOMone source by ground or air, respectively.

Effect of varying proportions of the alcohol component on sex pheromone blend discrimination in male Oriental fruit moths

Considering both the magnitude and temporal aspects of male response, optimal attraction in male OFM was best characterized by a small area of treatments around the peak 6% E blends that contained 10% OH.

Host plant volatiles serve to increase the response of male European grape berry moths, Eupoecilia ambiguella, to their sex pheromone

Time–event analysis indicates a positive correlation between faster activation and probability of source contact by the responding males, suggesting that perception of host plant products with the sex pheromone facilitates male E. ambiguella to locate females on host plants, lending credence to the hypothesis that plant products can signal rendezvous sites suitable for mating.

Evaluation of aerosol devices for simultaneous disruption of sex pheromone communication in Cydia pomonella and Grapholita molesta (Lepidoptera: Tortricidae)

The efficacy of disruption attained with low-densities (2.5 ha−1) of Puffers® at the moth densities recorded in this study is insufficient for effective control of C. pomonella without input of companion insecticides.


The sex pheromone‐mediated responses of male oriental fruit moths, Grapholitha molesta (Busck), to an array of blends and dosages of Z8‐12Ac and E8‐ 12: Ac, were analyzed and showed an optimal range of treatments appeared to be bounded by dosages too low or too high to result in significant attraction.

Behavioral responses of the diamondback moth, Plutella xylostella, to green leaf volatiles of Brassica oleracea subsp. capitata.

The results indicate that the enhancement of the attraction of both males and females of the DBM to traps baited with pheromone blended with the relatively inexpensive and environmentally safe (Z)-3-hexenyl acetate may be important for future control strategies of the pest.

Attraction of codling moth males to apple volatiles

The attraction of the codling moth, Cydia pomonella, to apple volatile compounds known to elicit an antennal response was tested both in the field and in a wind tunnel, and the addition of (E,E)‐α‐farnesene to (E), which had a synergistic effect on male attraction.

Attraction of the grapevine moth to host and non‐host plant parts in the wind tunnel: effects of plant phenology, sex, and mating status

The most attractive parts of the grapevine plants were leaves, flower buds, and ripe berries, and the non‐host plant, tansy, as flowers and flower volatiles were previously shown to be attractive to L. botrana females in the field.