ISSN:
1573-1561
Keywords:
Sex pheromone
;
anemotaxis
;
Plodia interpunctella
;
Lepidoptera
;
Pyralidae
;
behavioral threshold
;
behavioral alteration threshold
;
(Z,E)-9,12-tetradecadien-1-ol acetate
;
Indian meal moth
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Chemistry and Pharmacology
Notes:
Abstract The effect of different concentrations of the sex pheromone (Z,E)-9,12-tetradecadien-1-ol acetate on the upwind anemotactic behavior of the malePlodia interpunctella (Hübner) was measured at 23 ± 1 ° C and 34 ± 1 ° C. The stimulus-response regression lines were analyzed by a new procedure that accounts both for control responses in the absence of pheromone and also for peak responses below 100% in the presence of concentrations considerably above the normal physiological levels. From the regression line for each temperature, the upwind anemotactic thresholds were calculated to be 1.34 × 106 molecules/cm3 at 23 ° C and 1.65 × 104 molecules/cm3 at 34 ° C, similar to other thresholds reported in the literature. Since departures from the two lines occurred at the highest concentrations tested, near 108 molecules/cm3, the upwind anemotactic behavior may change qualitatively above an altered-behavior threshold that is about two orders of magnitude higher than the upwind anemotactic threshold. The lower response at 23 ° C suggests that cool temperatures inhibit flight in response to pheromonal stimulation.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00990476
