Evaluation of sake lees bait as an attractant for the smaller tea tortrix moth adoxophyes sp and tea tortrix moth homona magnanima

Horikawa, T.; Shiratori, C.; Suzuki, T.; Sone, K.; Muramatsu, M.

Japanese Journal of Applied Entomology and Zoology 30(1): 27-34


ISSN/ISBN: 0021-4914
DOI: 10.1303/jjaez.30.27
Accession: 005401287

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Sake-lees bait composed of sake lees, distilled spirits and water was attractive for both the females and males of the smaller tea tortrix moth (Adoxophyes sp.) and tea tortrix moth (Homona magnanima DIAKONOFF) in the communication disruption tea field with a common sex pheromone component (Z)-11-tetradecenyl acetate and in the non-treated tea field. The attractiveness of sake for the two species was not significantly different from that of sake-lees, but distilled spirits, ethyl alcohol and water were did not attract two species. Most of the females of the smaller tea tortix moth were trapped from 19:00 to 20:00 and the males from 2:00 to 5:00 in the sake-lees trap. The trapping time of the smaller tea tortrix male by a pheromone trap was mainly from 23:00 to 4:00 in the same field. The sex ratio of the two species captured in the sake-lees trap in the tea fields changed with the trapping methods, the seasons and the fields. The percentage of mating of the female moths of both species caught in the sake-lees trap consistently exceeded 95% in the non-treated field as well as in the disruption field. In the disruption field, however the mating rate of females of both species directly collected in the field was lower than in the non-treated field. It is suggested that mated females are more sensitive to the sake-lees bait than unmated females in both species. Most of the females of both species which were attracted to the sake-lees trap produced a large amount of eggs.