(S)-Sulcatol Is a Pheromone Component for Two Species of Cerambycid Beetles in the Subfamily Lamiinae

Linnea R. Meier, Jocelyn G. Millar, Judith A. Mongold-Diers, Lawrence M Hanks

Research output: Contribution to journalArticle

Abstract

Males of several species in the large cerambycid beetle subfamily Lamiine, native to South and North America, are known to produce aggregation-sex pheromones composed of three related structures: the sesquiterpene catabolic product geranylacetone, its corresponding alcohol (known as fuscumol), and the acetate ester of the alcohol (fuscumol acetate). Here, we show that males of two lamiine species native to the eastern USA, Astylopsis macula (Say) and Leptostylus transversus (Gyllenhal) (both tribe Acanthocinini), produce pheromones composed of the structurally related (S)-6-methylhept-5-en-2-ol ([S]-sulcatol). Males of both species also produced 6-methylhept-5-en-2-one (sulcatone), and males of A. macula produced trace amounts of (R)-fuscumol acetate. Field experiments demonstrated that both species were attracted by (S)-sulcatol. Sulcatone was not attractive as a single component, nor did it influence attraction of A. macula to (S)-sulcatol, while its effect on L. transversus was unclear. Data from the field experiments, and a separate experiment using traps fitted with a timer mechanism that rotated trap jars, revealed that the two species overlap only slightly in both seasonal and daily flight period, thus minimizing interspecific attraction. Racemic fuscumol acetate and fuscumol antagonized attraction of both species to sulcatol. The identification of sulcatol as a cerambycid pheromone extends the known range of pheromone components in the subfamily Lamiinae.

Original languageEnglish (US)
Pages (from-to)447-454
Number of pages8
JournalJournal of Chemical Ecology
Volume45
Issue number5-6
DOIs
StatePublished - Jun 15 2019

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Pheromones
Beetles
pheromone
pheromones
beetle
acetates
Coleoptera
Acetates
acetate
alcohols
traps
alcohol
timers
acetate (ester)
aggregation pheromones
Alcohols
jars
aggregation pheromone
sex pheromones
Sex Attractants

Keywords

  • Antagonism
  • Attractant pheromone
  • Interspecific attraction
  • Longhorned beetle

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry

Cite this

(S)-Sulcatol Is a Pheromone Component for Two Species of Cerambycid Beetles in the Subfamily Lamiinae. / Meier, Linnea R.; Millar, Jocelyn G.; Mongold-Diers, Judith A.; Hanks, Lawrence M.

In: Journal of Chemical Ecology, Vol. 45, No. 5-6, 15.06.2019, p. 447-454.

Research output: Contribution to journalArticle

Meier, Linnea R. ; Millar, Jocelyn G. ; Mongold-Diers, Judith A. ; Hanks, Lawrence M. / (S)-Sulcatol Is a Pheromone Component for Two Species of Cerambycid Beetles in the Subfamily Lamiinae. In: Journal of Chemical Ecology. 2019 ; Vol. 45, No. 5-6. pp. 447-454.
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