Spider mites in house plants are one plant pest many homeowners have on their indoor palms and houseplants but are not aware of them because of the mites size.
You may need a magnifying glass to see them. Red spider mites are only about 1/50 of an inch.
Like the scale and mealy bugs, spider mites have piercing/sucking mouth parts. They love the dry, warm environment they find indoors.
Have Spider Mites In House Plants – How Can You Tell?
Look for damage on the undersides of leaves. You may see tiny, rust-colored specks and webs.
Plants with red spider mite damage have a sickly appearance, possibly, yellowing of the leaves and overall lack vigor.
The plants may also appear “dusty”.
Simple Spider Mites Detection Method
If you think you have spider mites but just can’t tell, try this simple detection method.
Hold a piece of white paper under the leaf, and give the leaf a good hard tap. If tiny, rust-colored specks fall on the paper, your plant has the common red spider mite.
The mites (which are about the size of fine sand) are very easy to see on a white background as they try to run for cover and crawl around.
Spider mites are so small trying to wash them off with a hose or spray will most likely be unsuccessful, there are some organic options.