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1980年,作者等前往中国调查柑桔害虫——矢尖蚧(Unaspis yanonensis Kuwana)的天敌。在那里成功地采到了这种害虫的两种寄生蜂,即:紫蛎蚧蚜小蜂(Physcus fulvus Compere & Annecke)和Aphytis yanonensis Debach & Rosen。在恒温条件下,对A.yanonensis的发育、生殖和寿命作了研究。估计每年世代数在10—12代。紫蛎蚧蚜小蜂行孤雌单雌生殖。在25℃时从卵
In 1980, the author went to China to investigate the natural enemies of the citrus pest, Unaspis yanonensis Kuwana. There, two parasitoids of this pest were successfully harvested, namely: Physcus fulvus Compere & Annecke and Aphytis yanonensis Debach & Rosen. Under constant temperature conditions, the development, reproduction and longevity of A. yanonensis were studied. It is estimated that the number of generations per year is between 10-12 generations. Purple oyster scale aphid small heron line parthenogenesis. From eggs at 25 ° C