If you're running both 100W and 70W lights in a 40-breeder tank it's going to be too hot and dry unless your room temp is around 60*F. Remove one of the lights and cover/wrap the remainder of the screen top with foil to keep the heat and humidity inside. Add several large water bowls and mist at least once a day to help increase the humidity.
Feed in the evening just after sunset. You may need to try live to get her going.