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芦笋小管蚜(Brachycorynella asparagi Mordvilko)是我国芦笋的一种新害虫,在山西、陕西均有分布,主要为害芦笋(Asparagus officinalis L.)。芦笋小管蚜为全周期昆虫,在陕西关中,卵于3月初孵化,5月底、6月初孤雌蚜种群开始上升,6月底、7月初出现高峰。孤雌蚜4个龄期,在24.52℃时,完成1个龄期3d左右,若虫期共11.20d。孤雌蚜在条件适宜时,一生可产21头若蚜,1头雌性蚜可产卵9粒。该虫为害对株高的影响最大,其次为鲜重。不同地势、不同方向的植株之间,雌雄株之间的蚜害程度有明显差异。
Asparagus aphid (Brachycorynella asparagi Mordvilko) is a new pest of Chinese asparagus, which distributes in Shanxi and Shaanxi Province, and is mainly harmful to Asparagus officinalis L. Asparagus tube aphids for the whole cycle of insects, Guanzhong in Shaanxi, the eggs hatch in early March, the end of May, early June population of female aphids began to rise, the end of June, July peak. Parthenogenetic aphid four age, at 24.52 ℃, the completion of a period of about 3d, nymphs a total of 11.20d. Parthenogenetic aphid in the appropriate conditions, the life can produce 21 if aphids, a female aphid can spawn nine. The insect damage on the plant height of the greatest impact, followed by fresh weight. In different terrain, different directions of plants, male and female plants between the degree of aphid significant differences.