Monstera Leaves Curling Outward. The nymphs are translucent and can appear to be the same color as the leaves. If the leaves of your Monstera are curling your plant is most likely under-watered.
I have one leaf on my Monstera thats permanently curled its just the way it is. Give it plenty of water and let it drain out completely before putting it back in its pot. Although more tolerant than some other popular houseplants Monsteras do best with humidity of 40 and will typically develop leaf curling and brown leaf tips and edges with humidity much below this.
If your soil has gone too dry completely dry the oldest leaves will turn yellow first.
I have one leaf on my Monstera thats permanently curled its just the way it is. For the mites these new leaves are like dessert. As the plant matures the newer leaves will slowly have more and more fenestrations. They curl mostly due to watering inadequately and turn yellow due to water or nutrients related issues.