摘要
皱疤坚螺是夜出性陆栖贝类,春季及夏初活动较为频繁,秋末及冬季活动较少,几乎停止活动。最适宜活动的条件是:气温18~27℃,相对湿度92%以上。它们比其他陆栖贝类(蜗牛类)更喜欢潮湿的环境。主要以瓜果、蔬菜、树叶、野草等为食,对食物有选择性,其食量与食物种类及气候有关。交配季节为4月至9月,以7、8、9月达最高峰。交配一般在气温22~27℃,相对湿度90%以上时进行,持续7~8小时。交配后5~36天开始产卵,每一次产卵5~37粒,孵化期15~40天。达到性成熟约需7~8个月。休眠期一般自11月下旬后至翌年1月。
This paper reporis preliminary study on the bionomics of the Camaena cicatricosa. The results of the study are as follows; As other land snails the Camaena eicatricosa was active at night and damp weather. They were active in Spring to early Summer. When the temperature was at 18—27℃ and humidity above 92% was the most favourable to their activities They fond of living in moist places better than other land snails. They fed mainly on melons, fruits, vegetables, weeds and leaves of come trees. The amount of intake of food depended upon the kind of foods. The mating season of Camacna cicatricosa was from April to September; the highest peak occured in July, August and September. Copulating usually occured when the temperature at 22—27℃, humidity above 90%, and it lasted 7—8 hours. 5—36 days after copulation they laid eggs They hatched after 15—40 days. The young snails matured after about 7—8 months. They rest usually from November to January in next year.
出处
《暨南大学学报(自然科学与医学版)》
CAS
CSCD
1989年第1期46-52,共7页
Journal of Jinan University(Natural Science & Medicine Edition)
关键词
坚螺
贝类
生态学
Camaena, Bionomics, Shells