Induction of pheromone production in females of heliothis virescens (f.) and h. subflexa (gn.) (lepidoptera: Noctuidae) during the photophase

P. E.A. Teal, A. Oostendorp, James Homer Tumlinson, III

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Production of sex pheromone was induced during the photophase, a time during which pheromone is not normaIly produced, in females of Heliothis virescens (F.) and H. subflexa (Gn.) by injection of homogenates and partially purified extracts of the brain - subesophageal ganglion complex of conspecific females or H. zea (Boddie) females or synthetic pheromone biosynthesis activating neuropeptide (PBAN). The amount of (Z)- 11-hexadecenaL the major component of the pheromone of both species, increased during the first 60 min after injection of PBAN then leveled off and declined in H. virescens. In H. subflexa, the amount of this aldehyde increased during the first 120 min and declined after 240 min. Studies indicated that extracts of the brain - subesophageal ganglion complex that did not contain neurally produced biogenic amines induced production of as much pheromone as did homogenates containing these compounds. Dose-response studies indicated that the optimal dose of synthetic PBAN for induction of pheromone during a 60-min incubation was 5.0 pmol. In vivo maintenance of pheromone production required continuous stimulation of the pheromone gland.

Original languageEnglish (US)
Pages (from-to)355-366
Number of pages12
JournalThe Canadian Entomologist
Volume125
Issue number2
DOIs
StatePublished - Jan 1 1993

Fingerprint

Lepidoptera
Heliothis virescens
Pheromones
photophase
pheromone
Noctuidae
pheromones
pheromone biosynthesis activating neuropeptide
subesophageal ganglia
Neuropeptides
Heliothis subflexa
injection
pheromone glands
brain
Zea
biogenic amines
extracts
Ganglia
sex pheromones
aldehydes

All Science Journal Classification (ASJC) codes

  • Structural Biology
  • Ecology, Evolution, Behavior and Systematics
  • Physiology
  • Molecular Biology
  • Insect Science

Cite this

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title = "Induction of pheromone production in females of heliothis virescens (f.) and h. subflexa (gn.) (lepidoptera: Noctuidae) during the photophase",
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Induction of pheromone production in females of heliothis virescens (f.) and h. subflexa (gn.) (lepidoptera : Noctuidae) during the photophase. / Teal, P. E.A.; Oostendorp, A.; Tumlinson, III, James Homer.

In: The Canadian Entomologist, Vol. 125, No. 2, 01.01.1993, p. 355-366.

Research output: Contribution to journalArticle

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