When looking at what a dust mite up close your likely to notice the following features:
- 0.2mm > 0.3mm in size: A Grain of sand is 0.1mm to 0.2mm so they are slightly larger
- Oval-Shaped Body: They have soft, translucent, and slightly hairy bodies. A Flea or tick has a similar shape body.
- Eight Legs: Similar to spiders, they belong to the arachnid family and have eight stubby legs equipped with tiny suckers for gripping onto surfaces like fabric and skin.
- No Eyes or Antennae: Unlike many other microscopic creatures, dust mites do not have eyes or antennae. Instead they use their hairs as sensors
- Mouthparts for Feeding: They have specialized mouth where they use a strong chemical called peptidase to break down skin - this is what causes a dust mite allergy
- Pale Coloration: They are translucent in color or a pale white making them blend into dust and fabric making it very difficult to see with the naked eye.
- Exoskeleton Covered in Hair-Like Structures: Their bodies are covered in tiny setae (hair-like structures) that help them sense their surroundings.
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What Does Dust Mite Faeces / Poo Look Like?
- 20 / 30x smaller than a a grain of sand - the same size as pollen
- Rounded, Capsule-Like Shape - Unlike irregular dust particles, dust mite feces are oval or round-shaped - making them more easily inhaled into the respiratory system.
- Soft, Sticky Coating - Each fecal pellet is coated in a sticky protein matrix, allowing it to cling to fibers in bedding, carpets, and upholstered furniture, making removal more difficultContains Digestive Enzymes Dust mite feces contain powerful enzymes like Der p 1 and Der f 1, which help break down skin cells. These enzymes trigger allergic reactions, causing runny noses, sneezing, and asthma symptoms in sensitive individuals.
- A single dust mite can produce up to 20 fecal pellets per day, with millions accumulating in household dust.
- Easily Dispersed - Because of their lightweight and small size, dust mite feces easily become airborne when disturbed, especially during activities like vacuuming, making the bed, or walking on carpets.
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