Definition

Noun: 1. A species of hard-bodied tick: Ixodes scapularis is a small arachnid, a parasitic mite that feeds on the blood of animals. It is commonly known as the black-legged tick or deer tick. 2. A disease vector: This tick is the primary carrier (principal vector) of the bacteria that cause Lyme disease in the eastern United States, particularly in the New England region.

Usage Examples

• Noun:
  • The presence of Ixodes scapularis has increased in this region over the past decade.
  • Researchers are studying the life cycle of Ixodes scapularis to better control Lyme disease.
  • A bite from an Ixodes scapularis can transmit Borrelia burgdorferi, the Lyme disease bacterium.

Advanced Usage

• Scientific Classification: The term is used in formal biological and medical contexts to specify this exact species, distinguishing it from other ticks like (the western black-legged tick) or (the American dog tick).
• Historical Synonym: In scientific literature, one may encounter the note that the northern population of this tick was formerly classified under a different species name, .

Variants and Related Words

• Black-legged tick (n): The common name for .
• Deer tick (n): A common name for , though this name can sometimes cause confusion with other species.
• Vector (n): An organism that transmits a pathogen, such as is a vector for Lyme disease.

Synonyms

• Black-legged tick
• Deer tick

Related Phrases

• Lyme disease vector: A phrase describing its primary role in public health.
  • Public health officials warn that Ixodes scapularis is an efficient Lyme disease vector.

Noun

1. parasitic on mice of genus Peromyscus and bites humans; principal vector for Lyme disease in eastern United States (especially New England); northern form was for a time known as Ixodes dammini (deer tick)