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Tropical Rat Mite

Actual Size: 0.75 to 1.40 mm

Characteristics: Very small; cream-colored or red when engorged.

Legs: Juveniles have 6 legs; adults have 8 legs

Antennae: No

Wings: No

Habitat: Will accumulate in walls, particularly where there is a source of heat. Often found near various heat sources such as hot water pipes and stoves.

Habits:

  • Most commonly found as a parasite on rats.
  • Equal in size to a period at the end of a sentence.
  • Will travel several hundred feet from a rat or nest to find a new host.


Tropical Rat Mites in Central Arkansas

It is unclear if the tropical rat mite can transmit human diseases. The Norway rat is the primary host of the tropical rat mite, but since it is associated with the commensal rodent, the mite is also distributed worldwide. These mites are more common in warmer regions and infest abandoned or used rate nests. They are capable of traveling several hundred feet from nest to nest to find a new host.

Tropical Rat Mite Habitat

Tropical rat mites are sometimes found in stores, restaurants, theaters, and other buildings. The mites usually feed at night or in semi-darkness and retreat to cracks, crevices, and other dark places until their next meal. These mites tend to accumulate in walls, particularly where there is a source of heat. For this reason, they will often be found near various heat sources such as hot water pipes, stoves, dishwashers, etc.

Tropical Rat Mite Behaviors, Threats, or Dangers

Tropical rat mites often become a serious problem where rat eradication programs are underway, for then they must attack humans and other animals to survive. Even when rats are abundant, these mites are still known to attack people. Their bites may produce an irritation with the possibility of painful dermatitis that continues for two or three days. A principal complaint of a bite is severe itching. Both the nymphs and adults may attack humans, however, the nymphs appear to be the most troublesome.

If you suspect an issue with tropical rat mites, it’s important to contact a professional tick & mite control expert.