摘要
本文对规格化养殖的德国小蠊的生活史进行了观察。卵鞘呈长肾形,挟持在雌虫腹部末端,待若虫孵出后脱落,第一个卵鞘,平均孵出若虫40.20只,卵孵化率95.17%,卵鞘孵化率97.14%。若虫蜕皮五次,有6个龄期,发育历期为37.56天,存活率为55.98%。成虫雌、雄性比为1:0.811。雌虫一生产卵鞘4~10只,平均6.86个,第5个以后的卵鞘孵出若虫数逐渐下降。雌、雄虫寿命平均为203.89天、157.82天,单个饥饿雌、雄虫寿命下均为14.29天和8.50天。整个生活史需62.81天,一年可繁殖5代多,一对成虫的繁殖为1000亿只。
The life cycle of Blattella germanica was fully observed under the normalized condition. The Ootheca is long and reveeal ellipsis in shape attached in the end of the abdominal region of the female. It is dropped after after the nymph is hatched. The first Otheca can averagely hatch 40.20 nymphs. The rate of the egg incbuation is 95.17%. The Ootheca incubation is 97.41%, The nymph decarticates five times and can hatch for six times. The growing time is 37.56 days. The survival rate is 55.98%. The proportion of sex namely female to male was 1:0.811. One female produces 4-10 oothecas, 6.86 in average. After the fifth the Ootheca produces less nymphs gradually. The female can live for 203.89 days, and the male can live for 157.82 days in average. If a single female and asingle male are starved, they can only live 14.29 days and 8.50 day, The duration of life eycle is 62.61 days. and they can reproduce more than five generations in a year. The reproduction of a pair of adult is 1000 billion.
出处
《中国媒介生物学及控制杂志》
CAS
CSCD
1991年第6期373-376,共4页
Chinese Journal of Vector Biology and Control
关键词
德国小蠊
生活史
Blattella germanica Ootheca Nymph Adult