Neil Parish
Michelle Donelan condemns "misogynistic dinosaurs" in Westminster but rejects imposing "quota" of women MPs.
Neil Parish had initially vowed to stay on while an investigation was carried out into the allegations.
Tory MP rejects calls to stand down immediately after investigation launched into allegations.
"We are going to get people that step over the line."
MP, who chairs the rural affairs select committee, is being investigated by the party, as Labour says the government is "rotting from the head down".