Effect of Synthetic Pheromone on Parasitization of Heliothis virescens (F.) (Lepidoptera: Noctuidae) in Tobacco 1

1982 ◽  
Vol 11 (4) ◽  
pp. 913-916 ◽  
Author(s):  
F. C. Tingle ◽  
E. R. Mitchell
Keyword(s):  
Heliothis Virescens ◽  
Synthetic Pheromone ◽  
Lepidoptera Noctuidae

INDUCTION OF PHEROMONE PRODUCTION IN FEMALES OF HELIOTHIS VIRESCENS (F.) AND H. SUBFLEXA (GN.) (LEPIDOPTERA: NOCTUIDAE) DURING THE PHOTOPHASE

1993 ◽  
Vol 125 (2) ◽  
pp. 355-366 ◽  
Author(s):  
P.E.A. Teal ◽  
A. Oostendorp ◽  
J.H. Tumlinson
Keyword(s):  
Heliothis Virescens ◽  
Optimal Dose ◽  
Pheromone Biosynthesis ◽  
Subesophageal Ganglion ◽  
Pheromone Production ◽  
Synthetic Pheromone ◽  
Lepidoptera Noctuidae ◽  
The Brain ◽  
Stimulation Of

AbstractProduction of sex pheromone was induced during the photophase, a time during which pheromone is not normally 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.

Cell Culture Bioassay to Evaluate Allelochemical Toxicity to Heliothis virescens (Lepidoptera: Noctuidae)

1990 ◽  
Vol 83 (3) ◽  
pp. 737-741 ◽  
Author(s):  
R. D. Stipanovic ◽  
M. H. Elissalde ◽  
D. W. Altman ◽  
J. O. Norman
Keyword(s):  
Cell Culture ◽  
Heliothis Virescens ◽  
Lepidoptera Noctuidae

Genome Size and Endopolyploidy in Pyrethroid-Resistant and Susceptible Strains of Heliothis virescens (Lepidoptera: Noctuidae)

1993 ◽  
Vol 86 (4) ◽  
pp. 1030-1034 ◽  
Author(s):  
Martin Taylor ◽  
Jerome Zawadzki ◽  
Bruce Black ◽  
Martin Kreitman
Keyword(s):  
Genome Size ◽  
Heliothis Virescens ◽  
Lepidoptera Noctuidae
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