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  • 1
    Electronic Resource
    Electronic Resource
    Über Erfahrungen mit verschiedenen Leimen beim Fang kleiner Schmetterlingsarten, insbesondere des Kiefernknospentriebwicklers (1972)
    Springer
    Journal of pest science 45 (1972), S. 103-105 
    Details
    ISSN: 1612-4766
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Summary Experiences in catching small lepidopterous species particular the European Pine Shoot Moth with different glues The utility of three different glues applied on transperent foil was examined by use of the sexualpheromon of the European Pine Shoot Moth. Common caterpillar glue and two synthetic products (A 4 L and LA 25 of Wichmann u. Kühn, Freckenhorst, Germany) were used. The product LA 25 achieved excellent results. Even under very different weather conditions it was full effective at least for seven days. The catching effect on other small insects should be examined.
    Notes: Zusammenfassung Die Brauchbarkeit dreier verschiedener Leimarten, auf klarer Kunststoffolie aufgetragen, wurde mit Hilfe des Sexualpheromons vonRhyacionia buoliana als Lockmittel untersucht. Getestet wurden: Handelsüblicher Raupenleim, und 2 Kunststoffprodukte der Fa. Wichmann. u. Kühn, Freckenhorst/Westf., LA 25 und A 4 L. Das Produkt LA 25 erzielte hervorragende Fangergebnisse. Es behielt selbst unter verschiedensten Witterungsbedingungen mindestens 7 Tage volle Wirksamkeit. Seine Fängigkeit auch auf andere kleine, fliegende Insekten sollte ü berprüft werden.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01882094
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  • 2
    Electronic Resource
    Electronic Resource
    Attraction of male gypsy and nun moths to disparlure and some of its chemical analogues (1974)
    Springer
    Oecologia 14 (1974), S. 19-36 
    Details
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The attractive power of disparlure—the sex attractant of the gypsy moth (Lymantria/Porthetria dispar)—vs. four synthetic analogous epoxides was tested in 1972 in a pine forest near Heidelberg. With two levels of concentration in the traps (2 and 20 μg), a total of 1112 nun moths (Lymantria/Porthetria monacha) and 257 gypsy moths were caught in 9 experiments. Approximately equal percentages of the two species were caught with a given compound. Disparlure was by far the most effective attractant. The other substances were between three and twenty times less effective. These experiments support the assumption that disparlure is also at least part of the sexual attractant of the nun moth. In two additional experiments, moth captures by a series of increasing disparlure concentrations (2–100 μg/trap) were determined. The catches of both species increased nonlinearly with the bait concentration. The experiments are discussed with respect to new (unpublished) electrophysiological recordings from disparlure receptor cells in both species. Special attention is given to the supposed masking effect of the disparlure precursor (an olefin). This substance is ineffective as an attractant, but has been reported to reduce the attraction of gypsy moth males to disparlure or to live females. However, the olefin elicits excitatory reactions in the same type of receptor cell that responds to disparlure and the related epoxides. Furthermore, no masking of the electrophysiological response was observed with the receptor cells when the olefin was added to disparlure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00344896
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  • 3
    Electronic Resource
    Electronic Resource
    Untersuchungen über das Flugverhalten männlicher Falter von Rhyacionia buoliana (Lep., Tortricidae) (1971)
    Springer
    Oecologia 6 (1971), S. 156-163 
    Details
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung 1. Gezwingerte Weibchen von Rhyacionia buoliana locken nur während einer begrenzten Zeitspanne am frühen Abend. Außerhalb dieser Tageszeit lassen sich nirgends im Bestand fliegende Männchen feststellen. 2. Auch bei einem Angebot von Extrakten aus weiblichen Hinterleibern über einen Zeitraum von 24 Std fliegen die Männchen nur zwischen spätem Nachmittag und Einbruch der Dunkelheit. 3. Mit Hinterleibsextrakt der Weibchen lassen sich männliche Falter bereits vor dem Einsetzen der eigentlichen Flugphase und vor Lockbeginn der Weibchen zum Flug stimulieren. 4. An klaren Tagen werden Extrakte auf Schneisen später angeflogen als in Kiefernkulturen. Diese Differenz wird mit den herrschenden Helligkeitsunterschieden erklärt.
    Notes: Summary 1. Caged females of Rhyacionia buoliana attract males only during a limited period in the early evening. Outside this time no flying males could be observed. 2. Even when abdominal extracts of females are offered during a period of 24 hours, flight activity of males occurs only between late afternoon and beginning darkness. 3. Males could be attracted by abdominal extracts before females released scent and before the general male flight started. 4. On clear evenings extracts placed on aisles attracted males later than those in plantations. This difference in timing is explained by differences in light intensity between the two areas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00345717
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  • 4
    Electronic Resource
    Electronic Resource
    Beiträge zum Flugverhalten des Kiefernknospentriebwicklers (1972)
    Springer
    Oecologia 10 (1972), S. 69-78 
    Details
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung 1. Männliche Falter vonRhyacionia buoliana wenden sich bei unbewegter Luft dem Licht zu, wobei sie die stärkere Lichtquelle (100 W=950 Lx; gemessen am Startpunkt) der schwächeren bevorzugen. 2. Im Windkanalversuch mit einer Lichtquelle (15 W=58 Lx) flogen, seltener liefen die Männchen unabhängig von der Stärke des Luftstromes (max. 1,5 m/sec) gegen den Wind der Lichtquelle zu. 3. Strömte die Luft in Richtung zur Lichtquelle (15 W), starteten die Falter zumeist gegen den Wind und ließen sich dann passiv der Lichtquelle zutreiben. Dieses Verhalten war ebenfalls unabhängig von der Stärke der Luftströmung. 4. Bei Lichtquellen gleicher Beleuchtungsstärke (15 W), die beiderseits des Windkanals geboten wurden, starteten die Falter ebenfalls gegen den Luftstrom und ließen sich dann passiv mit dem Wind verfrachten. 5. Lichtquellen unterschiedlicher Beleuchtungsstärke (40 W bzw. 100 W=305 Lx bzw. 950 Lx) gleichzeitig geboten, verschoben mit zunehmender Windstärke die Anflugrichtung der Falter von der helleren Seite zu der mit der schwächeren Lichtquelle. 6. Die Ergebnisse werden im Himblick auf die Abflugrichtung männlicher Falter in kieferfreiem Gelände diskutiert.
    Notes: Summary 1. Males ofRhyacionia buoliana turn to the light source in immovable air. They favoured the more intense light source (100 W=950 Lx; measured at the starting point) above lower intensities. 2. The males flew—rarely walked—in the wind tunnel independent from the intensity of the air stream (max. 1.5 m/sec) upwind in direction to the light source (15 W=58 Lx). 3. Was the air stream directed to the light source (15 W), then the moths started upwind and drifted passive to the light source. The behaviour was independent from the intensity of the airflow. 4. Light sources of the same illumination (15 W) offered on both sides of the tunnel stimulated the moths to stard upwind but immediately after starting they drifted downwind. 5. Light sources of different intensities (40 W resp. 100 W=305 Lx resp. 950 Lx) given at the same time, changed with increasing windspeed the approached flight of the moths from the luminous side to that with the poorer light source. 6. These results are discussed in respect to the departure of male moths in areas free of pines.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00822762
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  • 5
    Electronic Resource
    Electronic Resource
    Essigsäure-cis-dodecen-(9)-yl-ester, ein Inhibitor des Sexualpheromons des Kiefernknospentriebwicklers (1972)
    Springer
    Naturwissenschaften 59 (1972), S. 217-217 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00595514
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  • 6
    Electronic Resource
    Electronic Resource
    Kristallographische Interpretation der Feinstruktur der B-Granula in den Langerhansschen Inseln der Ringelnatter, Natrix n. natrix (L.) (1972)
    Springer
    Cell & tissue research 131 (1972), S. 559-570 
    Details
    ISSN: 1432-0878
    Keywords: Islets of Langerhans ; Grass-snake ; Crystalline B-granules ; Ultrastructure ; Crystallography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Kristalline B-Granula im Pankreas der Ringelnatter besitzen die Form von Rhombendodekaedern (a ≈ 11 nm, kubisch-raumzentriertes Gitter). Diese Diagnose wird abgeleitet von den Ergebnissen der dreidimensionalen Rekonstruktion von Serienschnitten, der optischen Diffraktometrie und aus dem Vergleich mit Kristallmodellen. Die Bedeutung kristalliner B-Granula wird erörtert.
    Notes: Summary Crystalline B-granules of grass-snake islets of Langerhans have been shown to possess the shape of rhombic dodecahedra (a ≈ 11 nm, cubic body-centered lattice). Three-dimensional reconstructions from serial sections, optical diffractometry and comparison with crystal models were the techniques utilized. The significance of crystalline B-granules is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00306971
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  • 7
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    Analysis of maximum frame rates for gamma-ray camera-computer systems (1972)
    Institute of Physics
    Details
    Publication Date: 1972-09-01
    Print ISSN: 0031-9155
    Electronic ISSN: 1361-6560
    Topics: Biology , Medicine , Physics
    Published by Institute of Physics
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  • 8
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    Kristallographische Interpretation der Feinstruktur der B-Granula in den Langerhansschen Inseln der Ringelnatter, Natrix n. natrix (L.) (1972)
    Springer
    Details
    Publication Date: 1972-01-01
    Print ISSN: 0302-766X
    Electronic ISSN: 1432-0878
    Topics: Biology , Medicine
    Published by Springer
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  • 9
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    Attraction of male gypsy and nun moths to disparlure and some of its chemical analogues (1974)
    Springer
    Details
    Publication Date: 1974-01-01
    Print ISSN: 0029-8549
    Electronic ISSN: 1432-1939
    Topics: Biology
    Published by Springer
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  • 10
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    Beitr�ge zum Flugverhalten des Kiefernknospentriebwicklers (1972)
    Springer
    Details
    Publication Date: 1972-01-01
    Print ISSN: 0029-8549
    Electronic ISSN: 1432-1939
    Topics: Biology
    Published by Springer
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