Sex | |_ Organization of paired parts of female genitalia | |_ Length of spermathecae {spermateca + individual duct with gradual junction} | |_ Aspect of individual ducts {spermatheca alone without discernible individual duct} | |_ Length of individual ducts {spermatheca alone without discernible individual duct , spermateca + individual duct with gradual junction} | |_ Width of individual ducts {spermatheca alone without discernible individual duct}