Insecticidal action of five allyl esters on eggs and larvae of three tortricid fruit pests: Laboratory tests

Marta Giner, Mercè Balcells, Jesús Avilla

Research output: Indexed journal article Articlepeer-review

5 Citations (Scopus)


Several substances containing the allyl ester group in their structure have shown insecticidal properties. In the search for new insecticide molecules, five allyl esters from aromatic and heterocyclic acids (allyl 1-naphthoate, allyl 2-thiophenecarboxylate, allyl 2-furoate, allyl salicylate, and allyl cinnamate) were synthesized. Their toxicity on Cydia pomonella (L.), Grapholita molesta (Busck) and Lobesia botrana (Denis et Schiffermuller) (Lepidoptera Tortricidae) eggs of different age, by topical application, and on neonate larvae, by exposition to topically treated diet, has been assessed. When applied to less than 24-h old eggs, the most active compounds on the three species were allyl cinnamate, allyl 1-naphtoate, and allyl 2-thiophenecarboxylate (LC50 range: 2.4 - 7.9 mg/mL), while allyl salicylate was the least active one (LC50 range: 13.4 - 17.5 mg/mL). The most active ones killed the eggs in the earlier phases of development (white egg and red ring). In contrast to the action of allyl esters of fatty acids, none of the tested allyl esters affected the duration of the development of treated eggs. The mortality and the duration of development of surviving larvae were not affected. Allyl cinnamate was also the most active compound on neonate larvae (LC50 range: 3.1 - 6.1 mg/mL) of three species. As conclusion, allyl cinnamate is suggested to be the best insecticide candidate of this series of compounds.

Original languageEnglish
Pages (from-to)63-70
Number of pages8
JournalBulletin of Insectology
Issue number1
Publication statusPublished - 2012
Externally publishedYes


  • Allyl esters
  • Cydia pomonella
  • Grapholita molesta
  • Larvicidal action
  • Lobesia botrana
  • Ovicidal action


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