I have not heard too much of an outrage from the Women’s Movement about the subjugation of women by men in the Islamic Religion. Maybe this might be OK too.
Males of the aptly-named Harpactea sadistica species pierce the abdomen of females, fertilising their eggs directly in the ovaries.
The so-called traumatic insemination gives the first male to inseminate a reproductive advantage by bypassing structures in the females’ genitalia.
The ‘spermatheca’ is the place, in the female, where the male was originaly suppost to deposit his sperm.
However, the spermatheca is a “last in, first out” structure, so that if any further males inseminate a female, the last mate’s sperm is the first in line to fertilise an egg.
There is also video here
Out of the Cave 