EVIDENCE OF A MALE SEX PHEROMONE IN THE EUROPEAN CORN BORER, OSTRINIA NUBILALIS (HÜBNER) (LEPIDOPTERA: PYRALIDAE)

1992 ◽  
Vol 124 (1) ◽  
pp. 113-116 ◽  
Author(s):  
Lucie Royer ◽  
Jeremy N. McNeil
Keyword(s):  
Sex Pheromone ◽  
Mating System ◽  
Mating Success ◽  
Ostrinia Nubilalis ◽  
European Corn Borer ◽  
Male Pheromone ◽  
Corn Borer ◽  
Male Sex Pheromone ◽  
Lepidoptera Pyralidae ◽  
Male Sex

AbstractEuropean corn borer males have hair pencils located ventrally on the 8th sternite and these are extruded when a male approaches a calling female. The fact that (i) antennectomized females mated significantly less than both intact controls and individuals subjected to other forms of surgery, and (ii) males with hair pencils removed had a significantly lower mating success than control males, suggests that a male pheromone is involved in the mating system of the European corn borer.

GENETICS OF DIAPAUSE INDUCTION AND TERMINATION IN THE EUROPEAN CORN BORER, OSTRINIA NUBILALIS (LEPIDOPTERA: PYRALIDAE), IN SOUTHWESTERN ONTARIO

1978 ◽  
Vol 110 (12) ◽  
pp. 1351-1353 ◽  
Author(s):  
D. G. R. McLeod
Keyword(s):  
Growth Rate ◽  
Ostrinia Nubilalis ◽  
European Corn Borer ◽  
Diapause Induction ◽  
Corn Borer ◽  
Female Sex ◽  
Corn Borers ◽  
Lepidoptera Pyralidae ◽  
Male Sex ◽  
Diapause Incidence

AbstractGrowth rate, diapause incidence, and diapause intensity were different in two strains of corn borers found in southwestern Ontario. Crosses between these two strains demonstrated that growth rate was female sex linked while diapause incidence was male sex linked. The effect of these two characteristics on hybridization is discussed.

SEX PHEROMONE COMPONENTS OF AN ALBERTA POPULATION OF EUROPEAN CORN BORER, OSTRINIA NUBILALIS (HBN.) (LEPIDOPTERA: PYRALIDAE)

1987 ◽  
Vol 119 (3) ◽  
pp. 291-299 ◽  
Author(s):  
D.L. Struble ◽  
J.R. Byers ◽  
D.G.R. McLeod ◽  
G.L. Ayre
Keyword(s):  
Sex Pheromone ◽  
Ostrinia Nubilalis ◽  
European Corn Borer ◽  
Corn Borer ◽  
Sex Pheromone Components ◽  
Delta Type ◽  
Southern Alberta ◽  
Pheromone Components ◽  
Lepidoptera Pyralidae ◽  
Trap Catches

AbstractThe sex pheromone components of European corn borer, Ostrinia nubilalis (Hbn.), from southern Alberta were identified in washes and extracts of abdomen tips from calling female moths. This is a Z strain population as (Z)-11- and (E)-11-tetradecenyl acetates were isolated in a ratio 100:2.4, and a corresponding synthetic blend in a ratio of 100:3 attracted males in the field. Dodecyl alcohol, tetradecyl alcohol and acetate, and (Z)-11-tetradecenol were also identified, but none of these components nor other "pheromone-like" mono-unsaturated C10 to C16 acetates had any effect on increasing the trap catches of male moths under field conditions. However, the addition of (Z)-9-dodecenyl acetate or (Z)-9-tetradecenyl acetate to the synthetic pheromone blend significantly reduced the capture of male moths, even though these compounds were not detectable in the female extracts. Pheromone blends used for monitoring the Z strain of the European corn borer must be essentially free, ca.< 0.1%, of these acetates. A commercially available, sticky-surface, delta-type trap was the most satisfactory of several tested for capturing moths under prairie conditions.

Sex pheromone of the european corn borer,Ostrinia nubilalis (Lepidoptera: Pyralidae), in New York

1975 ◽  
Vol 1 (2) ◽  
pp. 225-231 ◽  
Author(s):  
J. Kochansky ◽  
R. T. Card� ◽  
J. Liebherr ◽  
W. L. Roelofs
Keyword(s):  
New York ◽  
Sex Pheromone ◽  
Ostrinia Nubilalis ◽  
European Corn Borer ◽  
Corn Borer ◽  
Lepidoptera Pyralidae

scholarly journals No linkage between genes controlling female pheromone production and male pheromone response in the European corn borer, Ostrinia nubilalis Hübner (Lepidoptera; Pyralidae).

Genetics ◽  
1989 ◽  
Vol 123 (3) ◽  
pp. 553-556 ◽  
Author(s):  
C Löfstedt ◽  
B S Hansson ◽  
W Roelofs ◽  
B O Bengtsson
Keyword(s):  
Ostrinia Nubilalis ◽  
European Corn Borer ◽  
Autosomal Gene ◽  
Pheromone Production ◽  
Male Pheromone ◽  
Corn Borer ◽  
Olfactory Sensilla ◽  
Male Preference ◽  
Linked Gene ◽  
Lepidoptera Pyralidae

Abstract The E and Z pheromonal strains of the European corn borer, Ostrinia nubilalis, are characterized by female production of and male preference for opposite blends of (E)-11-and (Z)-11-tetradecenyl acetate. It is known that the pheromone production is controlled by an autosomal gene and that the males' behavior is determined by a sex-linked gene. A third gene, autosomally inherited, has been shown to determine the organization of the male pheromone receptors. In the present study the linkage relationship between the autosomal genes controlling sex pheromone production and male olfactory sensilla was investigated. A recombination experiment showed unequivocally that the genes determining the variation in pheromone production and male pheromone receptors are not closely linked and are most likely inherited independently.

Central nervous processing of sex pheromones in two strains of the European corn borer Ostrinia nubilalis (Lepidoptera: Pyralidae)

1997 ◽  
Vol 200 (7) ◽  
pp. 1073-1087 ◽  
Author(s):  
S Anton ◽  
C Löfstedt ◽  
B S Hansson
Keyword(s):  
Ostrinia Nubilalis ◽  
Antennal Lobe ◽  
European Corn Borer ◽  
Minor Component ◽  
F1 Hybrids ◽  
Corn Borer ◽  
Response Characteristics ◽  
Neuronal Types ◽  
Lepidoptera Pyralidae ◽  
Staining Techniques

Antennal lobe neurones were investigated in the pyralid moth Ostrinia nubilalis using intracellular recording and staining techniques. Response characteristics of antennal lobe neurones from males in the so-called E and Z strains, in F1 hybrids and in parental backcrosses were studied. The antennal lobe of a male O. nubilalis comprises approximately 30 ordinary glomeruli and three enlarged glomeruli making up the macroglomerular complex (MGC). Receptor neurones enter the antennal lobe via the antennal nerve and arborize in single glomeruli. Intracellularly stained, pheromone-responding projection neurones in both parental strains arborized in different glomeruli within the MGC, irrespective of their response characteristics. Neurones were grouped according to their specificity to single pheromone components and to pheromone blends. Component-specific, blend-specific and generalist neurones were found. Specificity only occurred at low stimulus concentrations and disappeared as concentrations increased. Although all neuronal types were present in both pheromone strains and crossings, differences in abundance and sensitivity were found. In the parental strains, neurones responding to the major pheromone component and to the respective strain-specific blend were more abundant than neurones responding to the minor component and the blend produced by the other strain. Neurones investigated in ZxE hybrids responded similarly to those of E-strain males, whereas neurones in EZxZ paternal backcrosses responded similarly to those of Z males. In the hybrids and paternal backcrosses, hybrid-blend-specific neurones were present that were not found in parental-strain males.

DOSE–MORTALITY RESPONSE OF EUROPEAN CORN BORER (LEPIDOPTERA: PYRALIDAE) THIRD-INSTAR LARVAE TO SELECTED INSECTICIDES

1993 ◽  
Vol 125 (6) ◽  
pp. 1137-1139 ◽  
Author(s):  
William D. Hutchison
Keyword(s):  
United States ◽  
Ostrinia Nubilalis ◽  
European Corn Borer ◽  
Sweet Corn ◽  
Corn Borer ◽  
Mortality Response ◽  
Ca 50 ◽  
Lepidoptera Pyralidae ◽  
Economic Pest ◽  
Insecticide Control

The European corn borer, Ostrinia nubilalis Hübner, continues to be a consistent economic pest of field and sweet corn (Zea mays L.) in the upper midwestem United States. In Minnesota alone, O. nubilalis control costs and losses to sweet corn (ca. 50 630 ha) exceed $5,000,000 annually (Noetzel et al. 1985). Despite recent efforts to implement alternatives (Lewis and Bing 1991; Prokrym et al. 1992; Bartels and Hutchison 1993; Bolin et al. 1993), insecticide control continues to play a central role in O. nubilalis management programs.

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