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Electrophysiological studies on the antennal olfactory cells of the onion fly hylemya antiqua meigen diptera anthomyiidae


Applied Entomology & Zoology 22(4): 417-423
Electrophysiological studies on the antennal olfactory cells of the onion fly hylemya antiqua meigen diptera anthomyiidae
Electrophysiological studies were conducted on the antennal olfactory cells of the female onion fly, Hylemya antiqua Meigen. From the surface of the funicle, 2 types of cells were found: one type which responds well to di-n-propyldisulfide but little to ethyl acetate (DNPD-cell), and the other responding to ethyl acetate but not to di-n-propyldisulfide (EA-cell). The DNPD-cell responded to onion odour as well. Among the di-n-alkyldisulfides of alkyl chain length 1 to 5, the DNPD-cell showed high specificity to di-n-propyldisulfide. Although both types responded to n-alcohols, the DNPD-cell was more responsive to heptanol and octanol, while the EA-cell to pentanol and hexanol. Neither type responded to 2-phenylethanol or n-valeric acid. The sensillum that contains these cells appears to be basiconic sensillum.


Accession: 005349800



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