ArticleJournal of chemical ecology2010
Sex pheromone of the Spanish population of the beet armyworm Spodoptera exigua.
Article in Journal of chemical ecology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 29 citations in OpenAlex.
- Latest Developments in Insect Sex Pheromone Research and Its Application in Agricultural Pest Management.Insects · 2021Review
- Influence of Age, Host Plant and Mating Status in Pheromone Production and New Insights on Perception Plasticity inInsects · 2019Article
- Identification of Chemosensory Genes Based on the Transcriptomic Analysis of Six Different Chemosensory Organs inFrontiers in physiology · 2018Article
- Short-term peripheral sensitization by brief exposure to pheromone components in Spodoptera littoralis.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2017Article
- Molecular identification of differential expression genes associated with sex pheromone biosynthesis in Spodoptera exigua.Molecular genetics and genomics : MGG · 2017Article
- Two fatty acyl reductases involved in moth pheromone biosynthesis.Scientific reports · 2016Article
- Female sex pheromone of the Gelechiid moth Scrobipalpa salinella (Zeller).Journal of chemical ecology · 2011Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The pheromone composition of the Spanish population of the beet armyworm (BAW), Spodoptera exigua (Lepidoptera: Noctuidae), was identified. Analysis of female gland extracts showed the presence of compounds Z9,E12-14:Ac (1), Z9-14:Ac (2), Z11-16:Ac (3), Z9,E12-14:OH (4), Z9-14:OH (5), and Z11-16:OH (6) in a ratio of 26:11:1:22:31:9. The amount of compound per gland ranged from 2.08 ng for 5 to 0.09 ng for 3. However, analysis of female volatiles by SPME revealed only the presence of compounds, 1, 2, 3, and 5 in a 34:40:4:22 ratio. In electroantennogram assays, compound 1 elicited the highest response, and the C14 acetates evoked higher electrophysiological responses than the corresponding alcohols or C16 isomers. In a wind tunnel, no behavioral difference was observed between formulations based on the gland extracts and female volatiles. In both cases, males responded as when virgin females were used as the attractant source. Compound 1 alone elicited upwind flight by males, but required the presence of compound 5 in a 80:20 to 40:60 ratio for full activity. Ternary mixtures of 1, 5 and the minor components did not improve the performance of the 1+5 blend in a 60:40 ratio. In the field, the mixture 1+5+3 in a 56:37:7 ratio was the most attractive formulation, and is expected to be useful in future pest control strategies.
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