Order Acarina refers to the large group of arachnids that includes pests such as ticks and mites. Synonyms for this group of animals may vary based on the specific species or characteristic being referred to. For example, ticks and mites may be classified under the subclass Acari or the superorder Parasitiformes, while other arachnids may be referred to as chiggers, harvest mites, or red bugs. Some common names for ticks and mites include spider mites, grain mites, and dust mites. Regardless of the specific term used, it is important to recognize that these small arachnids can cause serious health problems for humans and animals alike, making proper identification and control essential.