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Identification of the Sex Pheromone of the Asparagus Moth, Parahypopta Caestrum (Lepidoptera, Cossidae).

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Title: Identification of the Sex Pheromone of the Asparagus Moth, Parahypopta Caestrum (Lepidoptera, Cossidae).
Authors: Pistillo, Onofrio Marco1 (AUTHOR), D'Isita, Ilaria1 (AUTHOR), Di Palma, Antonella1 (AUTHOR), Germinara, Giacinto Salvatore1 (AUTHOR) giacinto.germinara@unifg.it
Source: Journal of Chemical Ecology. Aug2024, Vol. 50 Issue 7/8, p321-329. 9p.
Subject Terms: *Gonads, *Solid-phase analysis, *Pheromones, *Mass spectrometry, *Gas chromatography
Abstract: Chemical, electrophysiological, and field trapping experiments were carried out to identify the female-produced sex pheromone of the asparagus moth, Parahypopta caestrum, a very serious pests of asparagus cultivations in southern Europe. Gas chromatography coupled with mass spectrometry and electroantennogram detection (GC-MS-EAD) analysis of hexane and solid-phase microextraction (SPME) extracts of sex pheromone glands of calling females consistently detected four compounds eliciting EAG responses in male moth antennae. According to their GC retention times, mass spectra, and comparative EAG analyses with reference standards, these EAD-active compounds were identified as (Z)-9-tetradecenol (Z9-14:OH), (Z)-5-tetradecenyl acetate (Z5-14:Ac), (Z)-7-tetradecenyl acetate (Z7-14:Ac), and (Z)-9-tetradecenyl acetate (Z9-14:Ac), respectively. In the SPME extracts from the head-space of individual abdominal tips, Z9-14:Ac, Z5-14:Ac, Z7-14:Ac, and Z9:14 OH were detected in the ratio of 82:9:5:4. In EAG dose-response experiments, Z9-14:Ac was the strongest antennal stimulant at different doses tested. In field trapping experiments, Z9-14:Ac, Z7-14:Ac, and Z5-14:Ac proven to be essential for male attraction and a their 85:5:10 blend loaded onto green rubber septum dispensers was significantly more effective than single-, two-, and any other three-component blend of these compounds. The addition of Z9-14:OH to the optimal blend resulted in a significant reduction of male catches. The attractive blend here identified allowed for an effective and accurate monitoring of P. caestrum flight activity in southern Italy. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 179635744
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Identification of the Sex Pheromone of the Asparagus Moth, Parahypopta Caestrum (Lepidoptera, Cossidae).
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Pistillo%2C+Onofrio+Marco%22">Pistillo, Onofrio Marco</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22D'Isita%2C+Ilaria%22">D'Isita, Ilaria</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Di+Palma%2C+Antonella%22">Di Palma, Antonella</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Germinara%2C+Giacinto+Salvatore%22">Germinara, Giacinto Salvatore</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> giacinto.germinara@unifg.it</i>
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Journal+of+Chemical+Ecology%22">Journal of Chemical Ecology</searchLink>. Aug2024, Vol. 50 Issue 7/8, p321-329. 9p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Gonads%22">Gonads</searchLink><br />*<searchLink fieldCode="DE" term="%22Solid-phase+analysis%22">Solid-phase analysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Pheromones%22">Pheromones</searchLink><br />*<searchLink fieldCode="DE" term="%22Mass+spectrometry%22">Mass spectrometry</searchLink><br />*<searchLink fieldCode="DE" term="%22Gas+chromatography%22">Gas chromatography</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Chemical, electrophysiological, and field trapping experiments were carried out to identify the female-produced sex pheromone of the asparagus moth, Parahypopta caestrum, a very serious pests of asparagus cultivations in southern Europe. Gas chromatography coupled with mass spectrometry and electroantennogram detection (GC-MS-EAD) analysis of hexane and solid-phase microextraction (SPME) extracts of sex pheromone glands of calling females consistently detected four compounds eliciting EAG responses in male moth antennae. According to their GC retention times, mass spectra, and comparative EAG analyses with reference standards, these EAD-active compounds were identified as (Z)-9-tetradecenol (Z9-14:OH), (Z)-5-tetradecenyl acetate (Z5-14:Ac), (Z)-7-tetradecenyl acetate (Z7-14:Ac), and (Z)-9-tetradecenyl acetate (Z9-14:Ac), respectively. In the SPME extracts from the head-space of individual abdominal tips, Z9-14:Ac, Z5-14:Ac, Z7-14:Ac, and Z9:14 OH were detected in the ratio of 82:9:5:4. In EAG dose-response experiments, Z9-14:Ac was the strongest antennal stimulant at different doses tested. In field trapping experiments, Z9-14:Ac, Z7-14:Ac, and Z5-14:Ac proven to be essential for male attraction and a their 85:5:10 blend loaded onto green rubber septum dispensers was significantly more effective than single-, two-, and any other three-component blend of these compounds. The addition of Z9-14:OH to the optimal blend resulted in a significant reduction of male catches. The attractive blend here identified allowed for an effective and accurate monitoring of P. caestrum flight activity in southern Italy. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1007/s10886-024-01504-y
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      – Code: eng
        Text: English
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        PageCount: 9
        StartPage: 321
    Subjects:
      – SubjectFull: Gonads
        Type: general
      – SubjectFull: Solid-phase analysis
        Type: general
      – SubjectFull: Pheromones
        Type: general
      – SubjectFull: Mass spectrometry
        Type: general
      – SubjectFull: Gas chromatography
        Type: general
    Titles:
      – TitleFull: Identification of the Sex Pheromone of the Asparagus Moth, Parahypopta Caestrum (Lepidoptera, Cossidae).
        Type: main
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          Name:
            NameFull: Pistillo, Onofrio Marco
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            NameFull: D'Isita, Ilaria
      – PersonEntity:
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            NameFull: Di Palma, Antonella
      – PersonEntity:
          Name:
            NameFull: Germinara, Giacinto Salvatore
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          Dates:
            – D: 01
              M: 08
              Text: Aug2024
              Type: published
              Y: 2024
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              Value: 00980331
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              Value: 50
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              Value: 7/8
          Titles:
            – TitleFull: Journal of Chemical Ecology
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