Comparative studies on life history characteristics of three sibling species in Brachionus calyciflorus species complex Morphometric differences among three sibling species in Brachionus calyciflorus species complex Rapid change in structure of Brachionus calyciflorus complex collected from Jiulian Pond and its ecological mechanism. Comparative studies on life history characteristics of three sibling species in Brachionus calyciflorus species complex Electroantennogram responses of two sibling Helicoverpa species to tobacco plant volatile compounds at a lower concentration Temporal variation in composition of Brachionus calyciflorus complex and life history traits of sibling species in Lake Tingtang