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« Previous AbstractPattern of pheromone-oriented flight in male potato tuberworm moths    Next AbstractResponse selectivity of neocortical neurons to specific odors in the rabbit »

J Chem Ecol


Title:"Variability in pheromone composition and periodicity of pheromone titer in potato tuberworm moth,Phthorimaea operculella (Lepidoptera: Gelechiidae)"
Author(s):Ono T; Charlton RE; Carde RT;
Address:"Department of Entomology, University of Massachusetts, 01003, Amherst, Massachusetts"
Journal Title:J Chem Ecol
Year:1990
Volume:16
Issue:2
Page Number:531 - 542
DOI: 10.1007/BF01021784
ISSN/ISBN:0098-0331 (Print) 0098-0331 (Linking)
Abstract:"The ratios and quantities of the pheromone components, (E,Z)-4,7-tridecadien-1-yl acetate (diene) and (E,Z,Z)-4,7.10-tridecatrien-1-yl acetate (triene), in the glands of individual female potato tuberworm moths (Phthorimaea operculella) originating from the United States (California) and Japan (Nagoya) were analyzed by gas chromatography. Quantities of glandextracted pheromone components of Nagoya females fluctuated in a periodic fashion during the photoperiod. Maximal titers coincided with the onset of scotophase (and calling), then gradually declined to minimal levels soon after lights-on. The average daily pheromone quantities decreased significantly as females aged. Both populations exhibited considerable variation in the ratio of the two components. The proportions of triene in the blend ranged from 27% to 88% (triene -X = 56 +/- 13% SD; CV = 23%) for California females and from 16% to 71% (42 +/- 13%; CV = 31%) for Nagoya females. Nagoya females also stored significantly higher amounts of pheromone in their glands (8.6 +/- 3.9 ng) than did California females (2.7 +/- 1.4). The differences between the populations, while substantial, would probably not be sufficient to impart a barrier to panmixis, given the wide range of component ratios favored by the males"
Keywords:
Notes:"PubMed-not-MEDLINEOno, T Charlton, R E Carde, R T eng 1990/02/01 J Chem Ecol. 1990 Feb; 16(2):531-42. doi: 10.1007/BF01021784"

 
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