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黄翅菜叶蜂[Athaliarosae japanensis(Rhowen)]的产卵习性。国内有关文献说法不一,教科书中的部分记载与事实不符,为此,我们对此作了进一步的观察。 产卵位置: 卵刚产时为淡黄色,肾形。长约0.8mm,宽约0.3mm。临孵化前体积明显增大,为乳黄色,椭圆形。长约1.2mm,宽约0.8mm,并在一端出现明显的红色眼点。卵在孵化过程中要不断吸收周围植物组织内的水分。取当天产的卵及产后5天的卵各50粒称重,前者平均卵重1.67mg,后者平均重2.25mg,吸收的水份占卵重的25.78％。
Spawning habits of Athaliarosa japanensis (Rhowen). Some domestic sources have different opinions and some of the textbooks do not conform to the facts. Therefore, we have made further observations. Oviposition position: when the egg is fresh yellow, kidney-shaped. About 0.8mm long and 0.3mm wide. Immediately before hatching the volume increased significantly, milky yellow, oval. Length of about 1.2mm, width 0.8mm, and obvious red eyes on one end. Eggs in the hatching process to continue to absorb the surrounding plant tissue moisture. Take the day-to-day eggs and 5 days postpartum eggs were weighed 50, the former average egg weight 1.67mg, the latter an average weight of 2.25mg, 25.78% of absorbed water weight.