As a male rape victim, ill say that the majority of rape is at the hands of other men.
However, I have two friends who were raped as adolescents by women.
I have also heard of roving street gangs of women obducting tourists in Africa and raping them and infecting them with HIV. (Looked and can't find the half decade old news report)
BTW, even in fear, the male penis i assume could become erect from stimulation. Its simple blood flow, not a sign of sexual arousal.
As for sexual violence from women, my ex once tried to seduce me, and having been up all night, I said no. She started masturbating and moaning in an assumed attempt to turn me on and I politely asked her to keep it down and be quiet, im trying to sleep. She jumped on me, punching me in the nose over and over until I bled, screaming "YOU WILL NOT SHAME ME", then nearly bit one of my fingers off of which I had a tooth mark bruise under it for half a year.
This same ex once admitted to me on 2cb that she had put an infants genitalia inside of her while masturbating when she was 14 and babysitting. She was sexually abused herself.
Somehow, im still a feminist.