日本応用動物昆虫学会誌
Online ISSN : 1347-6068
Print ISSN : 0021-4914
ISSN-L : 0021-4914
野外網室におけるミツモンキンウワバ処女雌への雄の定位行動
北村 實彬小山 重郎
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ジャーナル フリー

1985 年 29 巻 4 号 p. 332-334

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Orientation of Plusia agnata males to the conspecific virgin females confined in a small mesh cage was observed overnight in a walk-in field cage. When the females started calling, the male approached from obliquely above toward the lower surface of the female cage, and continuously hovered up and down underneath the cage. Sometimes the male alighted on the lower edge of the cage, curved his abdomen toward the females and everted his hairpencils. Meanwhile the male flew away. The peak orientation of the males occurred twice in a night probably corresponding to the two peaks of the calling activity of the females. Males were caught in a water pan trap baited with virgin females set in the field cage because of their flight behavior underneath the female cage. The peak catch of males in the trap occurred once at the first peak of orientation.

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