摘要
蚱蝉5年1代,以卵和若虫分别在枝条和土中越冬。卵于6月中下旬孵化,老熟若虫7月初出土羽化,7月中旬到8月中旬达盛期,卵期260～345天。成虫寿命45～60天,雌雄比1∶1,雄虫善鸣。
Cryptotympana atrata needs five years to complete one generation, eggs and larvae live in branches and soils respectively during the winter, the egg hatched in the second and last ten days of June, adults eclosion happend in the early of July, and reached their grand stage from the second ten days of July to the second ten days of August; egg stage is 260～345 days, the adult longevity is 45～60 days, the proportion of male to female is 1:1, the males like to sing.
出处
《陕西林业科技》
北大核心
1990年第3期43-48,共6页
Shaanxi Forest Science and Technology
