A new pheromone of the silkworm moth Bombyx mori

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12. Detection of inhibitory and synergistic compounds via excitation of separate receptor cells has been demonstrated in several moths. See [4], [6] and Preiss, R., Priesner, E.: Verh. dtsch. entomol. Ges. (in press)

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15. As a starting point for the comparison of our test concentrations with those expected in the wild, a single female gland placed in our apparatus at an airstream velocity of 1 m/s releases about as much bombykol as our standard filter-paper source carrying 0.1 μg bombykol. These considerations underline the importance of studies of related wild species

16. Bombykal is very unlikely to have been one of the three gaschromatograph fractions found to elicit behavioral responses by Anders, F., Bayer, E.: Biol. Zentralbl. 78, 584 (1959). One reason is that the bombykal concentration would probably not have been sufficient for an excitatory effect under their experimental conditions. In addition, bombykal can be excluded on the basis of gaschromatograph retention times [7]

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