The morphlogical differences in genera, subgenera and species arenot only reflected in the characreristics of tergum IX and spiculum gastrale, whichare associated with the genital musculature.
The morphlogical differences in genera, subgenera and species arenot only reflected in the characreristics of tergum IX and spiculum gastrale, whichare associated with the genital musculature.
不仅在外生殖器的结构上，在属，亚属和种间存在着明显差异，与外生殖器肌肉相联系的腹部第IX节背板和沟状小针突亦表现如此；