LABORATORY BIONOMICAL STUDIES ON ZYGOGRAMMA SUTURALIS [COL.: CHRYSOMELIDAE]
豚草条纹叶的生态学特性

Laboratory studies on some biological and ecological characteristics of Z. suturalis were conducted during 1987-1989. The total number of eggs laid by the experimental population of Z, suturalis was influenced by the rearing density in a parabolical pattern. The average fecundity of the females declined as the adult density increased in the containers of a fixed volume. A maximum of 386.7 eggs was obtained when only one pair of adults were reared in a container of 7238cm3 volume. When 18 and 25 adults were ...