成虫

The melanous rate of adults was 2.75%.

成的黑化个体占2.75％。

Fig. 1. Cumulative preadult mortality rate of Bemisia argentifolii, originating from three groups of host plant, on six

图源类作物的银叶粉虱六种杂草的成前期累积死亡率.

Therefore, the ladybird beetle could be considered as a potential biocontrol agent in controlling the pine mealybug in practice.

圆斑弯叶毛瓢对湿地松粉蚧有较强的捕食作用，通过散放瓢的成和幼，增加林间瓢的数量，能较好地抑制湿地松粉蚧的增长。

Objective To study male insect s apical dilation of parameres and aedeagus of Leptoconops kerteszi complex and provide the scientific evidence for diagnosis among species.

目的研究古塞细蠓复合组雄性成阳基侧突膨端体及阳茎中叶,为种间鉴别提供科学依据。

The imago period is from the early April to end of May.The reproduction belongs to amphigenesis, but it may happen female parthenogenesis.A female average egg number is 3975.

成期4月上旬至5月下旬，行两性生殖，存生殖，成平均产卵量为3975粒。