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A Tetraene Aldehyde as the Major Sex Pheromone Component of the Promethea Moth (Callosamia promethea (Drury))
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A Tetraene Aldehyde as the Major Sex Pheromone Component of the Promethea Moth (Callosamia promethea (Drury))
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Journal Article
A Tetraene Aldehyde as the Major Sex Pheromone Component of the Promethea Moth (Callosamia promethea (Drury))
2013
Overview
The promethea moth
Callosamia promethea
is one of three species of silkmoths from the genus
Callosamia
that occur in North America. Cross attraction of males to heterospecific calling females has been observed in the field, and hybrid progeny have been produced by pairing heterospecifics in captivity. These observations suggest that all three species share or have considerable overlap in the sex attractant pheromones produced by females, so that other prezygotic isolating mechanisms, such as diel differences in reproductive activity, limit hybridization in the field. Coupled gas chromatography-electroantennogram detection and gas chromatography- mass-spectrometry analyses of extracts of volatiles collected from female promethea moths supported the identification of (4
E
,6
E
,11
Z
,13
Z
)-hexadeca-4,6,11,13-tetraenal [(4
E
,6
E
,11
Z
,13
Z
)-16:Ald] as the compound in extracts that elicited the largest responses from antennae of males. The identification was confirmed by non-selective synthesis of several isomers as analytical standards, and stereoselective synthesis of (4
E
,6
E
,11
Z
,13
Z
)-16:Ald for testing in field trials. Male moths were strongly attracted to synthetic (4
E
,6
E
,11
Z
,13
Z
)-16:Ald, suggesting that this compound is the major and possibly the only component of the sex pheromone of these large saturniid moths. Based on the cross-attraction of heterospecifics, it is likely that this is also a major pheromone component of the other two North American
Callosamia
species as well.
Publisher
Springer US,Springer,Springer Nature B.V
Subject
/ Aldehydes - isolation & purification
/ analysis
/ Animal, plant and microbial ecology
/ Animals
/ antennae
/ Behavior, Animal - drug effects
/ Biological and medical sciences
/ Biomedical and Life Sciences
/ Ecology
/ Female
/ Females
/ Fundamental and applied biological sciences. Psychology
/ hybrids
/ isomers
/ Male
/ males
/ moths
/ Naphthacenes - isolation & purification
/ progeny
/ Sex Attractants - isolation & purification
