The Blood Beast Terror (1968)
A scientist genetically engineers a creature that transforms between a Deaths head moth and a woman The creature poses as the scientists daughter to lure victims when in human form, then feeds on their blood as a moth
The Horrible Dr. Hichcock (1962)
In 1897 London, a woman weds a necrophiliac doctor whose first wife died under mysterious circumstances and who might be returning from the grave to torment her successor