Definition

1. Noun:
   • Chigger: A tiny larval mite, often of the family Trombiculidae, that can attach to the skin of humans and animals, causing intense itching and dermatitis.
   • Harvest mite: Another common name for this type of larva, which is a parasite in its larval stage.

Usage Examples

• Noun:
  • Vào mùa hè, trẻ con hay bị mạt gà đốt. (In the summer, children often get bitten by chiggers.)
  • Mạt gà thường ẩn trong cỏ. (Chiggers often hide in grass.)

Advanced Usage

• The term is used specifically in a medical or zoological context to refer to the parasitic larva. It is not used metaphorically.

Variants and Related Words

• Con mạt: A more general term for small mites or ticks.
• Bệnh do mạt gà: Infestation or dermatitis caused by chigger bites.

Synonyms

• Chigger
• Harvest mite
• Red bug (regional)
• Scrub itch mite

Notes on Biology

• Scientific name: Often refers to larvae of the genus or .
• Lifecycle: Only the larval stage is parasitic on hosts like chickens, birds, and occasionally humans. The nymph and adult stages are free-living in the soil.
• Effect: Their bite does not burrow into the skin but injects digestive enzymes that cause severe itching and red welts.