关键词: 黑胸大蠊, 雌成虫, 年龄, 生殖行为

Abstract: The reproductive behaviour of 7 ages of female adults of periplanceta fuliginosa was observed under laboratory condition. The results showed that the number of oothecae and eggs laid are the most in 2-mcnth aged adults and the least in 7-month aged adults, There are the parabola relationship between the ages and the number of oothecaes and eggs laid. The interval time of oothecae laid, the weight of oothecae and the number of eggs per oothecaeare the shortest, heaviest and most in 1-2-month aged adults and the longest, lightest and fewest in 7-month aged adults. There are the linear relationship between the age and the interval time of oothecae laid, the weight of ootheeae and the number of eggs per ootheca. The egg hatching rates is the hinhtest(?)in 1-month aged adults and the lowest in 7-month aged adults. Theres is a linear relationship btween the age and the egg hatching rate. The length of oothecae lald by 1-3-month aged adults is the longest and shortest by 7-month aged adults. There is a linear relationship between the ages and the length of oothecae. The period of eggs is the shortest in 1-2-month aged adults and is the longest in 6-7-month aged adults. There is a linear relationship between the ages and the period of eggs. The fertility is the largest in 2-month aged adults and the least in 7-mouth aged adults. There is a parabola relationship between the ages and the fertility. The reproductive rates is the largest in 2-3-month aged adults and the least in 7-month aged adults. There is a linear relationship between the age and the reproductive rate.